System-Board External Connectors; System-Board Error Leds - IBM 8649 - Eserver xSeries 225 Maintenance And Troubleshooting Manual

System-board external connectors

The following illustration shows the external input/output port connectors on the
system board.
Mouse
Keyboard
USB 1/
USB 2
Parallel
(LPT1)
Serial A/
Serial B
(COMA/
COMB)
Ethernet
Audio

System-board error LEDs

The following illustration shows the LEDs on the system board. You might need to
refer to this illustration when solving problems with the server.
Rear fan 2
(SYSFAN2)
CD audio
(JCD1)
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IBM xSeries 225 Types 8649: Hardware Maintenance Manual and Troubleshooting Guide
Rear fan 1 Main power
(SYSFAN1) (POWER1)
PCI fan
(SYSFAN5)
Center fan
(SYSFAN4) - some models
Front panel USB (JUSB3)
Power
(POWER2)
Wake-on-LAN
(JWL)
Diskette
drive (FDD1)
Secondary IDE
(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
(J18)