1

CD/DVD drive

6

microprocessor airflow shroud

2

floppy drive

7

security cable slot

3

hard drive

8

system board

4

power supply

9

chassis intrusion switch

5

padlock ring

Hard drive

Blue pull tab

Floppy drive

Black pull tab

CD/DVD drive

Orange pull tab

I/O Panel

Yellow pull tab

1

CD/DVD drive connector (IDE2)

14

PCI card connectors (PCI1, PCI2 [32-bit connectors], and PCI3 [64-bit PCI-X connector])

2

I/O panel (I/O PANEL)

15

telephony connector (MODEM)

3

floppy drive connector (DISKETTE)

16

AGP Pro card connector (AGP)

4

memory module connectors (DIMM_1, DIMM_2, DIMM_3, DIMM_4)

17

VRM connector (VRM) (for a second microprocessor only)

5

suspend-to-RAM light (STR_LED)

18

microprocessor and heat-sink connector (CPU_1)

6

power connector (POWER 2)

19

front-panel audio connector (FP2AUDIO)

7

power connector (POWER 1)

20

microprocessor and heat-sink connector (CPU_0)

8

USB connector (USB)

21

microprocessor fan connector (FAN_P1)

9

hard-drive connector (IDE1)

22

microprocessor fan connector (FAN_P0))

10

real-time clock reset jumper (RTCRST)

23

battery socket (BATTERY)

11

password jumper (PSWD)

24

internal speaker (SPKR)

12

auxiliary LED add-in storage adapter connector (AUX_LED)

25

CD drive audio cable connector (CD_IN) 

13

standby power light (AUX_PWR_LED)