The procedures in this guide require that you remove the cover and work inside the system. While working inside the system, do not attempt to service the system except as explained in this manual and elsewhere in the system documentation. Always follow the instructions closely and review all of the procedures in "Safety Instructions" in the System Information Guide.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
This section provides servicing procedures for components inside the system. Before you start any of the procedures in this section, perform the following tasks:
CAUTION: Read the safety information in the System Information Guide before performing any of the procedures in this section.
When there is no replacement procedure provided, use the removal procedure in reverse order to install the replacement part.
Recommended Tools
Key to the system keylock
1/4-inch nut driver
#1 and #2 Phillips screwdriver
Small needle nose pliers
Wrist grounding strap
System Orientation
The illustrations in this document are based on the positioning of the system as shown in Figure 4-1.
Figure 4-1. System Orientation
Bezel
The front bezel has status and attention indicators. You must remove the bezel to remove the cover.
Removing the Bezel
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
NOTICE: To remove the bezel, the system must be standing upright.
Using the system key, unlock the front bezel (see Figure 4-2).
Figure 4-2. Removing the Bezel
NOTICE: Figure 4-2 shows the system standing upright as the bezel is being removed.
However, before you service components inside the system, lay the system on its right side.
Slide the latch to the right and pull the upper edge of the bezel away from the front
panel (see Figure 4-2).
Pivot the bezel downward until it is at right angles to the front panel.
Unsnap the bezel from the metal clips on the front panel.
Before working on the system, lay the system on its right side.
Installing the Bezel
Snap the two tabs on the lower inside edge of the bezel into the corresponding clips on
the system front panel, and pivot the bezel upward to its closed position.
Using the system key, lock the bezel.
System Cover
To upgrade or troubleshoot the system, remove the cover to gain access to internal components.
Removing the Cover
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Loosen the three thumbscrews on the left-side cover (see Figure 4-3).
Grasp the cover at both ends and slide it toward the front of the system.
Lift the cover away from the system.
Figure 4-3. Removing the Cover
NOTICE: Figure 4-3 shows the system standing upright as the cover is being removed.
However, before you service components inside the system, lay the system on its right side.
Installing the Cover
Ensure that no tools or loose parts are left inside the system.
Fit the cover on the side of the system, and slide the cover backward.
Tighten the three thumbscrews on the cover (see Figure 4-3).
The system board contains the system's control circuitry and other electronic components. Several hardware options, such as the microprocessors and memory, are installed directly on the system board.
The system accommodates up to six expansion cards (two 64-bit, 100-MHz PCI-X cards, two 64-bit, 66-MHz PCI cards, and two 32-bit, 33-MHz PCI cards). System memory is contained in four memory module sockets.
The system supports a 3.5-inch diskette drive and up to two externally accessible 5.25-inch drives, such as CD, DVD, or tape drives. The hard-drive bays support up to four IDE hard drives or four non-hot-plug SCSI hard drives or up to six hot-plug SCSI hard drives. The hard drives connect to a controller on the system board or to a controller card.
Baffle
The vertical plastic baffle in the center of the system improves system cooling by guiding the airflow within the system. You must remove the baffle when performing certain procedures inside the system to improve access to some internal components.
Figure 4-5. Removing the Baffle
Removing the Baffle
To remove the baffle, lift the release tab at the end of the baffle near the front of the system, press the release tab at the back end of the baffle, and slide the baffle upward.
NOTICE: You must reinstall the baffle to maintain proper airflow for system cooling.
Installing the Baffle
When you install the baffle, match the triangle and diamond symbols on the release tabs with the corresponding icons on the system chassis. Note the proper position of the back edge of the baffle in Figure 4-5. After aligning both ends of the baffle, slide the baffle into the system until both release tabs lock into place.
System Fans
The system includes the following system cooling fans:
Front system fan
Back system fan
Removing the Front System Fan
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Pull the wire handle on the fan upward and slide the fan out of the system (see
Figure 4-6).
Figure 4-6. Removing the Front and Back System Fans
Installing the Front System Fan
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Insert the fan power cable into the fan bay and connect the fan power cable to the fan
power connector on the chassis (see Figure 4-6).
Slide the fan into the system (see Figure 4-6), being careful not to trap the power cable
between the fan and chassis.
Secure the fan power cable with the plastic retention clip (see Figure 4-6).
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Removing the Back System Fan
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Disconnect the fan power cable from the fan power connector on the system board.
To identify system board connectors, see Figure 5-3.
Pull the fan bracket release tab away from the back panel and slide the fan assembly
upward about 1 cm (0.5 inch) (see Figure 4-6).
Lift the fan assembly away from the back panel and out of the system.
Installing the Back System Fan
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Insert the four tabs on the fan bracket into the mounting holes in the back panel and
slide the fan assembly downward about 1 cm (0.5 inch) until the fan bracket release
tab snaps into place.
Connect the fan power cable to the fan power connector on the system board.
To identify system board connectors, see Figure 5-3.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Power Supplies
Removing a Redundant Power Supply
CAUTION: To prevent risk of personal injury from electrical shock, do not reach into an empty power supply bay.
NOTICE: The power supplies are hot-pluggable. The system requires one power supply to be
installed for the system to operate normally. The system is in the redundant mode when two
power supplies are installed. Remove and replace only one power supply at a time in a system
that is powered on.
Disconnect the power cord from the power supply.
Using your thumb and index finger, squeeze the catch in the middle of the power
supply handle (see Figure 4-7).
Rotate the handle downward to release the power supply.
Slide the power supply out of the system.
Figure 4-7. Removing and Installing an Optional Redundant Power Supply
Installing a Redundant Power Supply
Slide the power supply into the system.
When the power supply is fully inserted, rotate the power supply handle upward to
lock the power supply in place.
The power supply will not function until the handle is fully closed.
Plug the power cable into the power supply, making sure that the cable passes through
the power cable strain relief loop.
NOTE: After installing a new power supply, allow several seconds for the system to
recognize the power supply and determine whether it is working properly. The
power-on indicator turns green to signify that the power supply is functioning properly
(see Figure 3-3).
Removing a Nonredundant Power Supply
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
The power distribution board (PDB) in systems with redundant power supplies serves as an interface between the power supplies and other system components.
Removing the Power Distribution Board
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
The system includes six expansion slots, configured as follows:
Slots 1 and 2 are 64-bit, 66-MHz PCI slots (3.3 V).
Slots 3 and 4 are 64-bit, 100-MHz PCI-X slots (3.3 V).
Slots 5 and 6 are 32-bit, 33-MHz PCI slots (5 V).
All expansion slots accommodate full-length cards, except for slot 1.
To identify the expansion slots and operating speeds, see Figure 5-3.
Installing an Expansion Card
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
NOTE: If you install a RAID controller card, install the card in expansion slot 1 or 2.
(See Figure 5-3 to locate these expansion slots.)
NOTE: If you install a DRAC III/XT card, you must install the card in expansion slot
6. (See Figure 5-3 to locate this expansion slot.)
Unpack the expansion card, and prepare it for installation.
For instructions, see the documentation that accompanied the card.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Figure 4-10. Removing and Installing an Expansion Card
Removing an Expansion Card
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
If the card is a full-length card, press the release tab on the card-guide latch and
open the latch.
Remove the screw that secures the expansion-card bracket to the back panel.
Grasp the expansion card by its top corners, and carefully remove it from the
expansion-card connector.
If you are removing the card permanently, install a metal filler bracket over the empty
expansion slot opening and close the expansion-card latch.
NOTICE: You must install a filler bracket over an empty expansion slot to maintain Federal
Communications Commission (FCC) certification of the system. The brackets also help keep dust
and dirt out of the system and aid in proper cooling and airflow inside the system.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Memory Modules
The four memory module connectors on the system board can accommodate from 128 MB to 4 GB of registered memory modules.
Memory Upgrade Kits
System memory is upgradable to 4 GB by installing combinations of 128-, 256-, 512-MB, and 1-GB registered DDR SDRAM modules.
NOTICE: The DDR SDRAM memory modules must be PC-266 compliant.
Memory Module Installation Guidelines
Starting with the connector nearest the side of the system board, the memory module sockets are labeled "DIMMA" through "DIMMD" (see Figure 5-3). Follow these guidelines when installing memory modules:
When you install memory modules, install the first module in connector DIMMA before installing additional modules in connectors DIMMB, DIMMC, and DIMMD.
Install modules in decreasing order of size, beginning with connector DIMMA.
Table 4-1 lists sample memory configurations based on these guidelines.
Table 4-1. Sample Memory Module Configurations
Total Memory
DIMMA
DIMMB
DIMMC
DIMMD
128 MB
128 MB
None
None
None
512 MB
256 MB
256 MB
None
None
512 MB
512 MB
None
None
None
1 GB
512 MB
512 MB
None
None
1.5 GB
1 GB
512 MB
None
None
3 GB
1 GB
1 GB
1 GB
None
4 GB
1 GB
1 GB
1 GB
1 GB
NOTE: This table only lists sample memory module configurations. Not all
possible configurations are listed.
Performing a Memory Upgrade
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
After the system completes the POST routine, it runs a memory test.
The system detects that the new memory does not match the system configuration information, which is stored in NVRAM. The monitor displays an error message that ends with the following words:
Press <F1> to continue; <F2> to enter System Setup
Press <F2> to enter the System Setup program, and check the System Memory
setting.
The system should have already changed the value in the System Memory setting to reflect the newly installed memory.
If the System Memory value is incorrect, one or more of the memory modules may not
be installed properly. Repeat step 1 through step 10, ensuring that the memory
modules are firmly seated in their connectors.
Run the system memory test in the system diagnostics.
Installing Memory Modules
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Locate the memory module connectors in which you will install memory modules (see
Figure 5-3).
Press down and outward on the memory module connector ejectors, as shown in
Figure 4-11, to allow the memory module to be inserted into the connector.
Figure 4-11. Removing and Installing a Memory Module
Align the notch in the memory module's edge connector with the alignment key in the
socket, and insert the memory module in the connector (see Figure 4-11).
The memory module connector has an alignment key that allows the memory module to be installed in the connector in only one way.
Press down on the memory module with your thumbs while pulling up on the ejectors
with your index fingers to lock the memory module into the connector (see
Figure 4-11).
When the memory module is properly seated in the connector, the memory module connector ejectors should align with the ejectors on the other connectors with memory modules installed.
Repeat step 5 through step 8 to install the remaining memory modules.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Each microprocessor and its associated cache memory are contained in a PGA package that is installed in a ZIF socket on the system board.
NOTE: The second microprocessor must be of the same type as the first. If the two
microprocessors are different speeds, both will operate at the speed of the slower
microprocessor.
Removing and Installing a Microprocessor
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
NOTE: Microprocessors with an internal speed of less than 3.06 GHz use an active cooling heat
sink as shown in Figure 4-12. Microprocessors with internal speeds greater than or equal to
3.06 GHz use a passive heat sink and plastic shroud.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
If you are removing or installing a microprocessor in socket CPU2, remove the vertical
plastic baffle to improve access to the microprocessor socket (see "Removing the
Baffle").
Disconnect the microprocessor fan cable from the fan power connector on the system
board (see Figure 4-12).
To identify system board connectors, see Figure 5-3.
CAUTION: The microprocessor and heat sink can become extremely hot. Be sure they have had sufficient time to cool before handling.
NOTICE: Do not operate the system without the fan and heat-sink assembly installed. The
assembly is required to maintain proper thermal conditions.
NOTICE: After removing the fan and heat-sink assembly, place it upside down on a flat surface
to prevent the thermal interface material on the heat sink from being damaged or contaminated.
NOTICE: The microprocessor fan and heat sink are constructed together as a single assembly.
Do not attempt to remove the fan from the heat sink.
Remove the microprocessor fan and heat-sink assembly (see Figure 4-12):
Press down on the release tabs on the heat-sink retention clips to release the clips
from the retaining tabs on the ZIF socket.
Lift the assembly away from the microprocessor.
Figure 4-12. Removing the Microprocessor Fan and Heat-Sink Assembly
Pull the microprocessor socket release lever upward to the fully open position (see
Figure 4-13).
NOTICE: Be careful not to bend any of the pins when removing the microprocessor. Bending
the pins can permanently damage the microprocessor.
Lift the microprocessor out of the socket and leave the release lever in the open
position so that the socket is ready for the new microprocessor (see Figure 4-13).
Figure 4-13. Removing and Installing a Microprocessor
Unpack the new microprocessor.
Ensure that the microprocessor socket release lever is in the fully open position.
NOTICE: The microprocessor and system board can be damaged if the microprocessor socket
release lever is not fully open when you insert the new microprocessor.
Align pin 1 on the microprocessor with pin 1 on the microprocessor socket (see
Figure 4-13).
NOTICE: Positioning the microprocessor incorrectly can permanently damage the
microprocessor and the system when you turn on the system. When placing the microprocessor
in the socket, be sure that all of the pins on the microprocessor go into the corresponding holes
and that the processor is parallel to the surface of the socket. Be careful not to bend the pins.
Install the microprocessor in the socket (see Figure 4-13).
NOTE: No force is needed to install the microprocessor in the socket. When the
microprocessor is aligned correctly, it should drop into the socket.
When the microprocessor is fully seated in the socket, rotate the socket release lever
back down until it snaps into place, securing the microprocessor in the socket.
Place the microprocessor fan and heat-sink assembly on top of the microprocessor (see
Figure 4-12).
If the heat sink has a protective cover on the underside of the heat sink (see Figure 4-12), remove and discard the cover to expose the thermal grease, and then place the heat sink on the microprocessor.
If the heat sink has a foil thermal interface material on the bottom, place the heat sink on the microprocessor.
To reinstall the heat-sink retention clips, hold the clip by the release tab (see
Figure 4-12), fit the opposite end of the clip over the retention tab on the
microprocessor socket, and press down on the release tab until the free end of the clip
snaps into place.
NOTICE: The cooling fan must be connected for the microprocessor to maintain proper thermal
conditions.
Connect the microprocessor fan cable to the fan connector on the system board (see
Figure 4-12).
To identify system board connectors, see Figure 5-3.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Enter the System Setup program, and ensure that the microprocessor options match
the new system configuration (see "Using the System Setup Program").
As the system boots, it detects the presence of the new microprocessor and automatically changes the system configuration information in the System Setup program. A message similar to the following appears:
Confirm that the top line of the system data area in the System Setup program
correctly identifies the installed microprocessor(s) (see "Using the System Setup
Program").
Exit the System Setup program.
Run the system diagnostics to verify that the new microprocessor is operating
correctly.
SCSI Backplane Board
Removing the SCSI Backplane Board
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
NOTE: To maintain Federal Communications Commission (FCC) certification of the
system, all drive bays should contain a hard drive or empty hard-drive carrier.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Control Panel
Removing the Control Panel
CAUTION: See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Remove the screw securing the control panel to the front of the system (see
Figure 4-15).
Use a small pair of needle-nose pliers to compress the tabs on each of the plastic
standoffs, and then pull the control panel straight out from the system to disconnect
the connector on the back of the board.
Figure 4-15. Removing and Installing the Control Panel
Installing the Control Panel
Align the eight-pin connector on the back of the control panel with the matching
connector on the system, and press the control panel onto the two plastic standoffs.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
System Battery
The system battery is a 3-V, coin-cell battery.
Installing the System Battery
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. See the System Information Guide for additional information.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
See Figure 5-3 to locate the system battery on the system board. You can pry the system battery out of its connector with your fingers or with a blunt, nonconductive object such as a plastic screwdriver.
Install the new system battery with the side labeled "+" facing up (see Figure 4-16).
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Figure 4-16. Installing the System Battery
Enter the System Setup program to confirm that the battery is operating properly (see
"Using the System Setup Program").
Enter the correct time and date in the System Setup program's Time and Date fields.
Exit the System Setup program.
To test the newly installed battery, turn off the system and disconnect it from the
electrical outlet for at least an hour.
After an hour, reconnect the system to its electrical outlet and turn it on.
Enter the System Setup program and if the time and date are not correct, replace the
system board.
Connecting Drives
Interface Cables
Most interface connectors are keyed for correct insertion. When you disconnect an interface cable, take care to grasp the cable connector, rather than the cable itself, to avoid stress on the cable.
Drive Cable Configurations
The system can accommodate many different drive configurations, each with specific cable requirements. Table 4-2 shows the cable requirements for common drive configurations.
Table 4-2. Drive Cable Configuration
Drives
Required Cable
Cable Connections
IDE CD drive, DVD drive, or combination drive (See Figure 4-20.)
40-pin IDE 2-drop cable
IDE drive and secondary IDE connector on system board
66-cm (26-inch) or 94-cm (37-inch) 68-pin SCSI 4-drop cable (terminated)
66-cm (26-inch) cable to SCSI hard drives and SCSI controller on system board (See Figure 4-25.) or 94-cm (37-inch) cable to SCSI hard drives and SCSI RAID controller card (See Figure 4-26.)
38-cm (15-inch) or 63-cm (25-inch) 68-pin SCSI 1-drop cable (unterminated)
38-cm (15-inch) cable to SCSI backplane and SCSI connector on system board (See Figure 4-28.) or 63-cm (25-inch) cable to SCSI backplane and RAID controller card (See Figure 4-29.)
SCSI tape drive and SCSI controller on system board (See Figure 4-21.) or SCSI tape drive and SCSI controller card if SCSI controller is used for SCSI hard drives (See Figure 4-22.)
DC Power Cables
The 3.5-inch diskette drive, 5.25-inch devices, and non-hot-plug hard drives must connect to a DC power cable from the system power supply. (Hot-plug SCSI drives obtain their power from the optional SCSI backplane.)
IDE Configuration Information
The IDE subsystem provides two channels (primary and secondary). Each channel can support up to two IDE drives such as high-capacity hard drives, CD drives, DVD drives, and tape drives.
Each IDE drive should be configured for the Cable Select setting, which assigns master and slave status to a drive according to its position on the interface cable. In this configuration, the drive attached to the last connector on the interface cable is the master or boot drive (drive 0) and the drive attached to the middle connector on the interface cable is the slave drive (drive 1). See the drive's documentation for instructions on configuring the Cable Select setting.
Table 4-3 lists guidelines for installing IDE drives connected to the IDE system board connectors.
Table 4-3. IDE Drive Configuration Guidelines
IDE Channel
System Board Connector
Drive Type(s)
1
PRIMARY IDE
IDE hard drives (or optional DRAC III/XT card [when supported])
2
SECONDARY IDE
IDE CD, DVD, tape, or combination drives
NOTE: The configurations shown in this table describe IDE drives connected directly to the IDE
system board connectors. To identify system board connectors, see Figure 5-3.
SCSI Configuration Information
Although SCSI drives are installed in essentially the same way as other drives, their configuration requirements are different. To install and configure a SCSI drive, follow the guidelines in the following subsections.
SCSI Interface Cables
SCSI interface connectors are keyed for correct insertion. Keying ensures that the pin-1 wire in the cable connects to pin 1 in the connectors on both ends. When you disconnect an interface cable, take care to grasp the cable connector, rather than the cable itself, to avoid stress on the cable.
SCSI ID Numbers
Each drive attached to a SCSI controller must have a unique SCSI ID number from 0 to 15.
The SCSI hard drive from which the system boots is configured as SCSI ID 0.
A SCSI tape drive is typically configured as SCSI ID 6.
If you install optional SCSI drives or change the SCSI configuration, see the documentation for each SCSI drive for information on setting the appropriate SCSI ID number.
NOTE: There is no requirement that SCSI ID numbers be assigned sequentially or that
drives be attached to the cable in order by ID number.
Device Termination
The SCSI bus requires that termination be enabled at opposite ends of the SCSI chain and disabled for all drives in between. For internal SCSI drives, termination is configured automatically. See the documentation provided with any optional SCSI drive you purchase for information on disabling termination.
Configuring the Boot Drive
The drive or device from which the system boots is determined by the boot order specified in the System Setup program (see "Using the System Setup Program"). To boot the system from a hard drive or drive array, the drive(s) must be connected to the appropriate controller:
To boot from a single IDE hard drive, the master drive (drive 0) must be connected to the primary controller on the system board. To identify system board connectors, see Figure 5-3.
To boot from a single SCSI hard drive, the drive must be connected to the SCSI controller.
To boot from an IDE or SCSI RAID array, the drive must be connected to the RAID controller card (see the documentation that accompanied the controller card).
Diskette Drive
Removing a Diskette Drive
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Use your thumb and index finger to press the tabs that secure the diskette drive in the
drive bay (see Figure 4-17).
Slide the diskette drive forward out of the drive bay.
Disconnect the power cable and the interface cable from the diskette drive.
Figure 4-17. Removing a Diskette Drive
Installing a Diskette Drive
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Connect the power cable and the interface cable to the diskette drive.
Slide the diskette drive into the externally accessible drive bay (see Figure 4-7).
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Front-Panel Drive Inserts
To help keep dust and dirt out of the system, a plastic insert in the bezel covers each empty external drive bay. Additionally, each empty external drive bay is covered by a metal insert in the chassis to maintain to maintain Federal Communications Commission (FCC) certification of the system.
Before you install a 5.25-inch drive in an empty external drive bay, you must first remove both drive inserts. If you remove a 5.25-inch drive permanently, you must install both the chassis and bezel inserts.
Removing the Front-Panel Drive Inserts
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
From inside the bezel, press the tabs at each end of the insert inward with your
thumbs.
Pull the insert out of the bezel.
Remove the chassis drive insert (see Figure 4-18):
Press the tabs at each end of the insert inward.
Pull the insert out of the chassis.
Figure 4-18. Removing the Chassis Drive Insert
Installing the Front-Panel Drive Inserts
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
NOTICE: You must install both inserts in an empty 5.25-inch drive bay to maintain Federal
Communications Commission (FCC) certification of the system. The inserts also help keep dust
and dirt out of the system.
Install the chassis drive insert by sliding the insert into the chassis until the tabs on the
side of the insert snap into place (see Figure 4-18).
Install the bezel drive insert by sliding the insert into the bezel until the tabs on the
side of the insert snap into place.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
5.25-Inch Drives
A CD drive, DVD drive, or combination drive is standard in the first external drive bay, and an additional drive of your choice can be installed in the second external drive bay. These drives connect either to the system board or to an optional controller card.
Installing a 5.25-Inch Drive
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Unpack the drive (and controller card, if applicable), and prepare the drive for
installation.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Test the drive:
If you installed an IDE drive, run the IDE devices tests in the system diagnostics to determine whether the tape drive operates properly (see "Running the System Diagnostics").
If you installed a SCSI drive, run the SCSI controllers test in the system diagnostics (see "Running the System Diagnostics").
If you installed a tape drive, see the tape drive software documentation to perform a backup and verification test.
Hard Drives
You can install up to four non-hot-plug IDE or SCSI hard drives in a removable drive bay or up to six hot-plug SCSI hard drives connected to the optional SCSI backplane.
General Installation Guidelines
Use the following guidelines when installing hard drives:
You should use only drives tested and approved for use in the system.
You may need to use different programs than those provided with the operating system to partition and format a hard drive. See the hard drive's documentation for information on setting up the drive.
When you format a high-capacity hard drive, allow enough time for the formatting to be completed. Long format times for these drives are normal. For example, a large drive can take over an hour to format.
Do not turn off or reboot the system while the drive is being formatted. Doing so can cause a drive failure.
Installing and Removing Non-Hot-Plug Hard Drives
Removing a Non-Hot-Plug Hard Drive
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Turn off the system, including any attached peripherals, and disconnect the system
from the electrical outlet.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
Installing a Non-Hot-Plug Hard Drive
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See the System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
Unpack the drive (and controller card, if applicable), and prepare the drive for
installation.
With the side of the drive bay labeled "Top" facing toward the external drive bays,
slide the drive bay into the system.
Replace the four screws that secure the drive bay in the system.
Connect a DC power cable connector to the drive's power input connector.
Connect the interface cable connector to the drive's interface connector:
If you are installing one or two IDE hard drives, connect the interface cable between the drive(s) and the system board (see Figure 4-24).
If you are installing one or more SCSI hard drives, connect the interface cable to the drive(s) and the SCSI controller on the system board (see Figure 4-25).
If you are installing drives in an IDE or SCSI RAID array, connect the interface cable to the drives and the optional RAID controller card (see Figure 4-27 or Figure 4-28).
If necessary, temporarily remove the baffle to allow easier routing of the interface cable (see "Removing the Baffle").
For information about the controller card, see the documentation that accompanied the card.
Figure 4-24. Connecting IDE Hard Drives to the Integrated IDE Controller
Figure 4-25. Connecting Non-Hot-Plug SCSI Hard Drives to the Integrated SCSI Controller
Figure 4-26. Connecting Non-Hot-Plug SCSI Hard Drives to an Optional SCSI RAID Controller Card
Figure 4-27. Connecting IDE Hard Drives to an Optional IDE RAID Controller Card
Connect all power cables and interface cables to the other hard drives in the drive bay.
Ensure that all cables are firmly connected and arranged so that they will not catch on
the system covers or block airflow inside the system.
Reconnect the system to its electrical outlet and turn the system on, including any
attached peripherals.
NOTICE: Do not turn off or reboot the system while the drive is being formatted. Doing so
may cause a drive failure.
Partition and logically format the hard drive (see the operating system
documentation).
Test the drive:
If you installed one or more IDE hard drives connected to the IDE controller on the system board, run the hard drive tests in the system diagnostics to determine whether the drive operates properly (see "Running the System Diagnostics").
If you installed a drive in an IDE RAID array, run the hard drive tests in the system diagnostics (see "Running the System Diagnostics"). Also, see the RAID controller's documentation for information on testing the controller.
If you installed one or more SCSI hard drives connected to the SCSI controller on the system board, run the SCSI controllers tests and the hard drive tests in the system diagnostics (see "Running the System Diagnostics").
If you installed a drive in a SCSI RAID array, run the SCSI controllers tests and the hard drive tests in the system diagnostics (see "Running the System Diagnostics"). Also, see the RAID controller's documentation for information on testing the array.
Installing and Removing Hot-Plug SCSI Hard Drives
The drive bays in a system with an optional SCSI backplane board provide space for up to six 1-inch hard drives. The hard drives plug into the SCSI backplane board, which is connected to a controller on the system board (see Figure 4-28) or to a RAID controller card (see Figure 4-29).
Figure 4-28. Hot-Plug SCSI Hard Drives Connected to the Integrated SCSI Controller
Figure 4-29. Hot-Plug SCSI Hard Drives Connected to a RAID Controller Card
Removing a Hot-Plug Hard Drive
NOTICE: Not all operating systems support hot-plug drive installation. See the documentation
supplied with the operating system.
Take the hard drive offline and wait until the hard-drive indicator codes on the drive
carrier signal that the drive can be removed safely (see Table 3-5).
If the drive has been online, the drive-status indicator will blink green two times per second as the drive is powered down. When all indicators are off, the drive is ready for removal.
See the operating system documentation for more information on taking the hard drive offline.
Open the hard-drive carrier handle to release the drive (see Figure 4-30).
Figure 4-30. Removing and Installing a Hot-Plug Hard-Drive
Slide the hard drive out until it is free of the drive bay (see Figure 4-30).
NOTE: To maintain Federal Communications Commission (FCC) certification of the
system, all drive bays should contain a hard drive or empty hard drive carrier.
Open the hard-drive carrier handle (see Figure 4-30).
NOTICE: Do not insert a hard-drive carrier and attempt to lock its handle next to a partially
installed carrier. Doing so can damage the partially installed carrier's shield spring and make it
unusable. Ensur
