28
PCH I2C Header
Pin.1/2 Clear CMOS
Pin.3/4 Password Clear
Pin.5/6 ME FW Recovery Status
Pin.7/8 BMC Disable
Pin.9/10 BIOS Recovery Mode Enable
SD Card Slot (BMC Log Storage)
OCP3.0 Slot (CPU0 PCIE X8)
Riser1 Slot (CPU0 PCIE X32)
Riser2 Slot (CPU0 PCIE X32)
Riser3 Slot (CPU1 PCIE X16)
2.4.4 HDD Backplane Components
1U4 direct connection backplane as shown in the figure
SAS/SATA hard drive
connector
1. Maximum support 12G/b SAS hard disk;
2. Maximum support 6G/b SATA hard disk;
3. Support SAS/SATA hard disk hot-swap.
1U10 expansion backplane:
Backplane power transfer connector for 5V/12V power transfer
SFF-8643 12Gb SAS
interface
Backplane bay signal interface
2U8 expansion backplane as shown
TOP view: