Chapter 2: Installation
Fan Headers
There are five fan headers (Fan 1 to Fan5) on the P8SC8/P8SCi. See the table on the right for pin definitions. These fan headers support
Definitions
Pin |
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Number | Definition |
1Ground (black)
2+12V (red)
3Tachometer
*Caution: Fan headers use DC power.
Chassis Intrusion
The Chassis Intrusion header is located at JL1. See the board lay- out in Chapter 1 for the location of JL1 and the table on the right for pin definitions.
Fan 5
Chassis Intrusion
Pin Definitions (JL1)
Pin
Number Definition
1Intrusion Input
2Ground
Fan 1
USB0/1 KB/MS
VGA COM1 Parallel Port
JPWAKE1
B1
US
JP
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JPF |
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E7221 |
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CopperRiver |
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NorthBridge |
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GLAN1 |
| DIMM | 1A |
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GLAN2 |
| DIMM | 1B | Fan2 |
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| Fan3 | 1 | |||
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| DIMM | 2A |
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GLAN |
| DIMM 2B |
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CTRL |
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GLAN |
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| Buzzer | |||||
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| 9 | |||
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| J |
Fan 2 Fan 3
CTRL
JPL1 
JPL2
ICH6R SouthBridge
BIOS | Battery |
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WOL
ED L S J J
SCSI BChannel
PCI 33MHz
JBT1
JBT1
SCSI CTRL
7902 W
IPMI | Floppy |
5J IDE
SCSI AChannel
JWOR |
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SATA3 SATA2 | SATA1 | SATA0 |
JPA1 
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| COM2 |
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USB2/3
J L 1
Chassis Intrusion Fan 4
USB6/7
Fan4
