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Technical Specifications: Dell Dimension XPS B Series Systems Reference

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Technical Specifications: Dell™ Dimension™ XPS B Series Systems Reference

Microprocessor Power
System Information Physical
Expansion Bus Environmental
Memory Regulatory Notices
Drives IRQ Assignments
Ports Default Dell-Installed Expansion Card Placements
Video DMA Assignments

Microprocessor

Microprocessor type Intel� Pentium� III microprocessor that runs at 533, 600, 667, 733, 800, 866, 933 MHz, 1.00 GHz, or 1.13 GHz internally and 133 MHz externally
L1 cache 32 KB SRAM (16-KB data cache; 16-KB instruction cache)
L2 cache 256-KB Advanced Transfer Cache that resides in the processor's core. The L2 cache runs at the processor's internal clock speed
Microprocessor mounting:

Dimension XPS Bxxxr

SEPP2 package connected to the system board contains processor and cache circuitry

Dimension XPS Bxxx

Socket 370 connected to the system board contains processor and cache circuitry
Math coprocessor internal to processor

System Information

System chip set Intel 82820 AGP set
Data bus width 64 bits
Address bus width 32 bits
DMA channels seven 
Interrupt levels 15
System BIOS chip 4 Mb (512 KB)
System clock 133 MHz (matches external processor speed)
Diskette/communications ports 48 MHz from the system clock

Expansion Bus

Bus types PCI (version 2.2) and AGP (version 2.0)
Bus speed AGP: 66 or 133 MHz
PCI: 33 MHz
AGP expansion-card connectors one universal
AGP expansion-card connector size 132 pins
AGP expansion-card connector data width (maximum) 32 bits
PCI expansion-card connectors five
PCI expansion-card connector size 124 pins
PCI expansion-card connector data width (maximum) 32 bits
PCI-to-PCI bridging supported

Memory

Architecture Rambus PC600, PC700, and PC800
RIMM sockets two; gold contacts
RIMM capacities 128 and 256 MB
Minimum RAM 128 MB
Maximum RAM 512 MB
Clock cycle 2.5 ns (PC800); 2.8 ns (PC700);
3.5 ns (PC600)
SPD revision Rambus 1.1
Buffering unbuffered
Voltage 2.5 V
Data bus width 16 bits
BIOS address F0000h

Drives

Mini tower chassis:

Externally accessible bays

five total: two 5.25-inch bays for diskette, tape, or optical drives; three 3.5-inch bays for diskette or tape drives

Internally accessible bays

two bays for 1-inch-high EIDE or SCSI hard-disk drives
Desktop chassis (available only in certain locations):

Externally accessible bays

four total: two 5.25-inch for diskette, tape, or optical drives; two 3.5-inch bays for diskette or tape drives

Internally accessible bays

two bays for 1-inch-high EIDE or SCSI hard-disk drives

Ports

Externally accessible:

Serial (DTE)

9-pin connector; 16550C-compatible

Parallel

25-hole connector (bidirectional)

PS/2-style keyboard

6-pin mini-DIN connector

PS/2-compatible mouse

6-pin mini-DIN connector

Video

15-hole connector on an AGP video card

USB

two USB-compliant connectors
Internally accessible:

Primary EIDE

40-pin connector

Secondary EIDE

40-pin connector

Diskette drive

34-pin connector

Video

Video AGP 2.0 video card (4X or 2X; see manufacturer's specifications for information about the card and any utilities and drivers included)

Power

DC power supply:

Wattage

200 W

Voltage (switch selectable on back panel)

90 to 135 V at 60 Hz;
180 to 265 V at 50 Hz;
100 V at 50 to 60 Hz for Japanese systems

Heat dissipation

778 BTU (fully loaded system without monitor)
Battery 3-V CR2032 coin cell

Physical

Mini tower chassis:

Height

43.69 cm (17.2 inches)

Width (with base)

20.32 cm (8 inches)

Depth

44.45 cm (17.5 inches)

Weight

11.3–13.6 kg (25.0–30.0 lb)
Desktop chassis:

Height

16.00 cm (6.3 inches)

Width

42.42 cm (16.7 inches)

Depth

44.45 cm (17.5 inches)

Weight

11.3–13.6 kg (25.0–30.0 lb)

Environmental

Temperature:

Operating

10� to 35�C* (50� to 95�F)

Storage

–40� to 65�C (–40� to 149�F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:

Operating

0.25 G at 3 to 200 Hz at 1/2 octave/min

Storage

0.5 G at 3 to 200 Hz at 1/2 octave/min
Maximum shock:

Operating

left side (for mini tower orientation) and bottom half-sine pulse with a change in velocity of 50.8 cm/sec (20 inches/sec)

Storage

23-G faired-square wave with a velocity change of 508.0 cm/sec (200 inches/sec)
Altitude:

Operating

–15.2  to 3048 m* (–50 to 10,000 ft)

Storage

–15.2  to 10,600 m (–50 to 35,000 ft)
* At 35�C (95�F), the maximum operating altitude is 914 m (3000 ft).

Regulatory Notices

FCC (U.S. only) Class B
IC Notice (Canada only) Class B
CE Notice Class B
VCCI Notice (Japan only) Class B
NOM O24 Information (Mexico only)
NOTE: The Glossary defines abbreviations and acronyms.

IRQ Assignments

IRQ Line System Resource IRQ Line System Resource
IRQ0 System timer IRQ8 RTC
IRQ1 Keyboard buffer IRQ9 Available2
IRQ2 Enables IRQ8 through IRQ15 IRQ10 Available
IRQ3 Available1 IRQ11 Default PCI IRQ3
IRQ4 Serial port IRQ12 Mouse port
IRQ5 Available IRQ13 Math coprocessor
IRQ6 Diskette/tape drive controller IRQ14 Primary EIDE channel
IRQ7 Parallel port IRQ15 Secondary EIDE channel
NOTE: The Glossary defines abbreviations and acronyms.
1IRQ3 is available provided that no other device in the computer (such as a modem) is using COM2 or COM4.
2IRQ9 is available to PCI cards only.
3The PCI IRQ is assigned to an available IRQ line after an ISA expansion card has been configured. If an ISA expansion card is configured for IRQ11, the PCI IRQ is assigned to another available IRQ line.

Default Dell-Installed Expansion Card Placements

Table 1 provides the default Dell-installed expansion card placements if a system is ordered with a SwapBox. Table 2 provides the default Dell-installed expansion card placements if a SCSI system is ordered with a SwapBox.

Table 1. Default Dell-Installed Expansion Card Placements for Systems with Optional SwapBox

Expansion-Card Slot Expansion Card
AGP Port AGP video
PCI Slot 1 NIC
PCI Slot 2 DVD
PCI Slot 3 Wireless NIC, HPNA, or SwapBox
PCI Slot 4 Audio
PCI Slot 5 PCI modem
NOTE: The Glossary defines abbreviations and acronyms.

Table 2. Default Dell-Installed Expansion Card Placements for Systems with SCSI and Optional SwapBox

Expansion-Card Slot Expansion Card
AGP Port AGP video
PCI Slot 1 NIC
PCI Slot 2 Audio
PCI Slot 3 SCSI
PCI Slot 4 PCI modem
PCI Slot 5 SwapBox
NOTE: The Glossary defines abbreviations and acronyms.

DMA Channel Assignments

DREQ Line Used By/Available
DREQ0 Default audio DMA channel assignment
DREQ1 Default audio DMA channel assignment
DREQ2 Generated by I/O controller to enable DMA cycle for attached diskette drive
DREQ3 Parallel port (ECP)
DREQ4 Reserved
DREQ5 Available
DREQ6 Available
DREQ7 Available
NOTE: The Glossary defines abbreviations and acronyms.

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