HP Compaq SP750 Maintenance And Service Manual page 93

4-52 Compaq Professional Workstation SP750 Maintenance and Service Guide
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To remove the system board:
1. Perform the steps in the "Service Preparations" section in this chapter, then place the
workstation on its side.
2. Remove the following components:
Y
Workstation feet
Y
Side access panel
Y
Processor cage
3. Disconnect and remove all cables plugged into the system board.
4. Remove the screws securing the system board to the chassis.
System Board Components
Component
Power connectors
Clear/disable password header
Battery
Primary processor slot
Secondary processor slot
Processor cage fan connector
Back processor fan
External Ultra3 SCSI connector
(channel B)
Ultra3 SCSI connector (channel B)
Ultra3 SCSI connector (channel A)
AGP Pro expansion slot
PCI expansion slots 1-4
(32-bit/33-MHz) located on primary
bus
PCI expansion slots 5 and 6
(64-bit/66-MHz) located on secondary
bus
CAUTION: Before removing the side access panel, ensure that the workstation is turned off, all
cables are disconnected from the back of the workstation, and the power cord is disconnected
from the grounded AC outlet.
Table 4-10
Item Component
>
Power switch and LED connector
t
Floppy diskette drive connector
y
Secondary IDE Ultra ATA connector
u
Primary IDE Ultra ATA connector
i
SCSI option card LED connector
o
Memory board connector
D
CD connector
E
Speaker connector
s
CMOS reset button
d
Hood sensor connector
f
Alert-on-LAN connector
g
Wake-on-LAN connector
h
Chassis fan connector