70 Chapter 3: Replacing Pre-installed Components
3.8.2 M1211-P SAS/SATA Backplane Connector Pin Definition
JP3 SAS Hard Disk Failure LED Input (Reserved for SAS add-on card)
J13 and J14 Big 4-pin Power Connector Pin Out
1 HDD AF+ 2 HDD AF-
3 HDD BF+ 4 HDD BF-
5 HDD CF+ 6 HDD CF-
7 HDD DF+ 8 HDD DF-
1 VDD +12V
2GND
3GND
4 VCC +5V