10 connector definitions, Atx power connector (atx), Pentium iv +12v connector (jatxr1) – Intel ECB-870 User Manual
Page 37: Cpu fan and system fan connector (cpufan, chasfan)
ECB-870
ECB-870 User’s Manual 25
3.10 Connector
Definitions
3.10.1 ATX Power Connector (ATX)
Signal
PIN
Signal
+12V
10
20
+12V
5V SB
9 19
5V SB
NC
8 18
NC
GND
7 17
GND
+5V
6 16
+5V
GND
5 15
GND
+5V
4 14
+5V
GND
3 13
GND
NC
2 12
NC
NC
1 11
NC
3.10.2 Pentium IV +12V Connector (JATXR1)
Signal
PIN
Signal
GND
3
1
GND
+12V
4
2
+12V
3.10.3 CPU Fan and System Fan Connector (CPUFAN, CHASFAN)
Signal
PIN
GND
1
+12V
2
TAC
3
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