System board
The illustrations in the following sections show the components on the system
board.
System board options connectors
The following illustration identifies system-board connectors for user-installable
options.
Microprocessor 2
(U11)
Microprocessor 1
(U12)
Voltage regulator
module
(VRM) 2 (J12)
Voltage regulator
module
(VRM) 1 (J42)
DIMM 1
(J23)
DIMM 2
(J21)
DIMM 3
(J19)
DIMM 4
(J18)
PCI 1
(J29)
PCI 2
(J31)
PCI 3 (J35)
PCI 4 (J39)
PCI 5 (J40)
Battery
(BH1)
System
management
(J32)
System board internal cable connectors
The following illustration identifies system-board connectors for internal cables.
Microprocessor
fan 2 (J2)
Microprocessor
fan 1 (J3)
Fan 3 power
(J22) (not used)
IDE (J30)
Diskette
drive (J27)
SCSI channel
(J41)
Fan 2
power
(J18)
Fan 1
power (J10)
Main power
(J1)
DASD I C
(J43)
2
Wake on LAN
(J20)
Installing options
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