Intel® Server Board S5500WB TPS Power Subsystem
Revision 1.3
Intel order number E53971-004
83
The SSI uses the standard 24-pin and 8-pin power headers along with the 5pin Control
connector. The 12-V only uses two 8-pin power headers, a 7-pin control header and a 6 pin
HDD power connector. For maximum rack server efficiency, a DC 12-V only power supply is
recommended. Appendix A shows connector pin outs.
10.3 Power Sequencing and Reset Distribution
The IBMC device is integrated into the power control and reset logic of the system. This design
reduces the discrete logic requirements of previous generations and at the same time permits
FW to manage certain features related to the power on/off control and the reset logic.
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