Technical Product Specification
Intel® Server System SC5650HCBRP TPS 6-HDD Expander SAS Hot Swap Backplane
Revision 1.2
Intel order number E81443-002
99
5.1.7 Clock Generation and Distribution
The 6-HDD Expander SAS HSBP HSBP provides one clock source. A 75-MHz oscillator
provides the clock to the VSC7161* SAS Expander.
5.1.8 IPMB Header - IPMB
The following table defines the pin-out of the 4-pin IPMB Header.
Table 63. IPMB Header Pin-out
Pin Signal Name Description
1 SMB_IPMB_5V_DAT Data
2 GND GND
3 SMB_IPMB_5V_CLK Clock
4 SMB_IPMB_5V_ADDR IPMI interface address selection. Primary (Low) = 0xC0, Secondary (High) = 0xC2
5.1.9
Active Hot-swap Backplane (HSBP) Cables Explained
Expander backplanes ship with only one cable (IPMB). You should use this cable in the
following manner:
5.1.9.1 IPMB Cable
Always Installed, connect the white 4-pin IPMB connector on the HSBP to the white 4-
pin IPMB connector on the motherboard.
If using one HSBP (Primary), connect the cable to HSBP_A on the motherboard.