Dell Precision 650: Inside Your Computer — DellPrecision™650Computer

Inside Your Computer — DellPrecision™650Computer : Dell Precision 650

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Inside Your Computer DellPrecision™650Computer

DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual

Inside View of Your Computer

System Board Components

Inside View of Your Computer

Cable Colors

System Board Components

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.

CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board.

1

floppy drive

5

padlock ring

2

CD/DVD drive

6

microprocessor airflow shroud

3

hard drive

7

system board

4

power supply

8

chassis intrusion switch

Device

Cable Color

Hard drive

Blue pull tab

Floppy drive

Black pull tab

CD/DVD drive

Orange pull tab

I/O Panel

Yellow pull tab

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1

CD/DVD drive connector (IDE2)

15

standby power light (AUX_PWR_LED)

2

I/O panel connector (I/O PANEL)

16

PCI card connectors (PCI1, PCI2 [32-bit connectors], PCI3 , PCI4, and PCI5 [64-bit PCI-X

connectors])

3

floppy-drive connector (DISKETTE)

17

telephony connector (MODEM)

4

memory module connectors (DIMM_1, DIMM_2, DIMM_3,

DIMM_4)

18

AGP Pro card connector (AGP)

5

suspend-to-RAM light (STR_LED)

19

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

6

power connector (POWER 2)

20

microprocessor and heat-sink connector (CPU_1)

7

power connector (POWER 1)

21

front-panel audio connector (FP2AUDIO)

8

front-panel USB/IEEE 1394 connector (USB)

22

microprocessor and heat-sink connector (CPU_0)

9

hard-drive connector (IDE1)

23

microprocessor fan connector (FAN_P1)

10

real-time clock reset jumper (RTCRST)

24

microprocessor fan connector (FAN_P0)

11

card fan connector (FAN)

25

battery socket (BATTERY)

12

SCSI drive connector (SCSI)

26

internal speaker (SPKR)

13

password jumper (PSWD)

27

CD drive audio cable connector (CD_IN)

14

auxiliary LED add-in storage adapter connector

(AUX_LED)