System board
This illustration identifies the parts of the system board. Depending on installed
options, your system board might look slightly different.
System board internal cable connectors
The following illustration identifies system board connectors for internal cables.
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IBM xSeries 225 Type 8647: Hardware Maintenance Manual and Troubleshooting Guide
Microprocessor 1
(CPU1)
Microprocessor 2
(CPU2)
AGP Pro slot
PCI slot 1
(PCI1)
PCI-X slot 2
(PCI2)
PCI-X slot 3
(PCI3)
PCI-X slot 4
(PCI4)
PCI-X slot 5
(PCI5)
Rear fan 1
Main power
(SYSFAN1)
(POWER1)
Rear fan 2
(SYSFAN2)
CD audio
(JCD1)
PCI fan
(SYSFAN5)
Center fan
(SYSFAN4) - some models
DIMM 1
DIMM 2
DIMM 3
Battery
Video
adapter
Mini-PCI
type III slot 6
(PCI6)
Remote Supervisor Adapter (JMGT1)
Diskette
drive (FDD1)
Power
Secondary IDE
(POWER2)
(IDE2)
Primary IDE
(IDE1)
Error LED
(JER2)
Cover switch
(JCI2)
Front panel
switch/LEDs
(JFP1)
SCSI
channel A
(SCSI1)
SCSI
channel B
(SCSI2)
SCSI LED
Wake-on-LAN
(J18)
(JWL)
DIMM 4