
2.3. Connectors and Jumper Settings
1,2. CN_DIMM1 and CN_DIMM2 3.CN_BAT1
DDR3-ECC SO-DIMM Socket 204P
RTC Battery connector
PIN SIGNAL PIN SIGNAL
1
BAT+
2
BAT-
4. CCMOS1 5. SPI1 ( For BIOS FW Update )
Pin SIGNAL
1-2 Open (default)
Normal Operation
1-2 Short Touch
Clear CMOS Data
Used for BIOS Firmware Update Tools
Pin SIGNAL Pin SIGNAL
1 CS# 2 VCC
3 SO 4 Hold
5 WP# 6 SCK
7 GND 8 SI
9 NC 10 NC
6. CN_HDR1 7. CPUFAN1
Pin SIGNAL Pin SIGNAL
1 PCH_SPI_CS0# 2 PCH_SPI_CS1#
3 SPI_CS0# 4 SPI_CS1#_COM
5 PCH_SPI_CS1# 6 PCH_SPI_CS0#
7 NC 8 NC
9 NC 10 NC
Pin SIGNAL
1 GND
2 +12V
3 FAN Speed Sense
8, 9. CN1 and CN2
Please refer to the pin assignments at next page.
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