Overheat LED (OH)
Connect an LED to the OH connec- tion on pins 7 and 8 of JF1 to pro- vide advanced warning of chassis overheating. Refer to the table on the right for pin definitions.
Overheat (OH) LED
Pin Definitions
(JF1)
Pin
Number Definition
7Vcc
8Control
Signal
Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table on the right for pin definitions.
Overheat (OH) LED
Pin Definitions
(JF1)
Pin
Number Definition
5Vcc
6Control
Signal
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| J32 |
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| JPF |
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| J1B4 | Force PWR ON | ||
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| Fan6 Fan5 | |||||||||
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KB/ |
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| PWR |
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Mouse |
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J9 |
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| DIMM 1B (Bank 1) |
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Fan7 |
| PWR |
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| J24 |
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| SMBus |
PW |
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Fault |
| PWR | |||
| J1D1 | ||||
| JP13 |
| 3rd PS Alarm | 1 | |
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| n | |||
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| a | |||
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| F | |||
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OH LED | OH LED |
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20 | 19 |
USB0/1 |
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| DIMM 1A (Bank 1) |
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COM1 | J6 |
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| DIMM 2B (Bank 2) |
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| DIMM 2A (Bank 2) |
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Parrallel Port |
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| DIMM 3B (Bank 3) |
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| DIMM 3A (Bank 3) |
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| DIMM 4B (Bank 4) |
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J23 |
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| DIMM 4A (Bank 4) |
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VGA |
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J5 |
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| SUPER | ® |
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GLAN1 |
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GLAN2 |
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| North |
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| JPG1 | VGA |
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| Bridge |
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| Enable |
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| J20 | |
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RAGE- |
| J15 | X8 |
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X |
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| Super |
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| Clr |
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| J16 | X8 |
| I/O |
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| ICH5R |
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| J7 |
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| CMOS | ||||||||
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| COM2 | |||||
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| JBT1 | JWD | ||||
GLAN |
| J17 | X4 |
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| WD Enable | BIOS |
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CTLR |
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82546 |
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CPU 1 |
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CPU 2 |
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| Fan8 |
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IPMI |
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| SI/O |
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| JF1 |
| Control | |||
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| FP |
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| JP15 |
| JD1 |
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| Reboot |
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| Opt. Enable | ||||||||
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| Fan2 |
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| JOH1 |
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| Alrm | Reset |
| JP14 |
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| Fan3 |
| JL1CH Intru | ||||||||
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Floppy | IDE2 | IDE1 |
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JP8 | J4 | J3 |
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Ground
X 
Power LED 
HDD LED
NIC1 LED 
NIC2 LED 
Overheat LED
Power Fail LED
NMI |
X |
Vcc |
Vcc |
Vcc |
Vcc |
Vcc |
Vcc |
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| J11 |
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| A |
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| USB4 |
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| J14 |
| 133 MHz |
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| JPA1 SCSI | SCSICH |
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Enable |
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| Enable |
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| 7902 |
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GLAN |
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| Ultra320 |
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| JPL1 | J13 |
| 100 MHz |
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| PXH |
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| SCSI |
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| CTRL |
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Battery |
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| J12 |
| 100 MHz ZCR |
| J22 |
| JS2 |
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| JPA2 | SCSI CHA Term. Ena | JA1 |
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| WOR JWOR |
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| SMBUS |
| SATA1 | JPA3 | SCSI CHB Term. Ena |
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| JS1 |
| Ultra 320 SCSI CH B |
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| Fan4 | |||
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| Speaker JD2 | USB2/3 | SATA0 |
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| WOL JWOL |
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| JA2 |
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Ground
Ground
| Reset | Reset Button |
| Pwr | Power Button |
2 | 1 |
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