Tomcat i875PF S5105
Chapter 2: Board Installation
11
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Fan Connectors (FAN 1 & FAN 2 & FAN 3 & FAN 4)
+12V fans supported
Use these connectors to connect cooling
fans, both chassis and processor fans, to
your motherboard. Cooling fans help
keep the system more stable and
operating reliably for its product life.
FAN #
Description
Functions
Amp Rated
(Maximum)
1
CPU Fan
Tachometer/speed Read and controlled
1.5A
2
Chassis Fan
Tachometer/speed Read and controlled
1.0A
3
Chassis Fan
Tachometer/speed Read and controlled
1.0A
4 Chassis
Fan
None
0.8A
Serial ATA Connectors (SATA1 & SATA2)
SATA1 / SATA2 (from ICH5-R): Support SATA RAID 0 or 1
1 7
Pin
1
2
3
4
5
6
7
Signal
GND TXP TXN GND RXN RXP GND
Supports serial ATA devices