Intel Xeon Processor and Intel E7500/E7501Chipset Compatible Platform Design Guide

Baseboard Requirements
44 Intel
®
Xeon™ Processor and Intel
®
E7500/E7501 Chipset Compatible Platform Design Guide
3.4.4.3 Auxiliary Signal Connector
The baseboard must have a 5-pin Molex 70545 family connector or equivalent. The header must
have the pinout as enumerated in Table 3-5. The PS Alert signal has strict electrical requirements,
as documented in the SSI EEB Specification, Version 3.0, Section 5.3.1.6 (PS Alert).
NOTE: This table is a copy of the SSI EEB Specification, Version 3.0, Table 5: Electronics-Bay Server Signal
Connector.
3.4.4.4 Cooling Fan Connector
The baseboard must have a 3-pin AMP 644953-3 connector or equivalent. The header must have
the pinout as enumerated in Table 3-6.
NOTE: This table is a copy of the SSI EEB Specification, Version 3.0, Table 11: Cooling Fan Pinout.
Table 3-5. Entry Auxiliary Signal Connector Pinout
Pin Signal
1SMBus Clock
2SMBus Data
3 PS Alert
4 ReturnS
5 3.3 RS
Table 3-6. Cooling Fan Pinout
Pin Wire Color Signal
1BlackCOM
2RedFan-V
3YellowTACH