Sun Microsystems SPARCengine Ultra AXi, Technical Manual

Page: 73 / 174

Appendix A Jumpers, Headers, Connectors, and Adapters A-7
A.2.8 12V Optional/Back Fan Header J3602
A.2.9 12V CPU/Front Fan Header J3603
TABLE A-10
12V Back Fan Header
Pin # Description
[1]
1. Refer to Section 2.1.14.2 “Fan Monitoring and
Control” on page 2-9 for more information about
these signals.
1 Back fan fail
2 Power
3 GND
TABLE A-11
12V CPU Fan Header
[1]
1. Required for CPU modules with straight fin heat-
sinks (e.g., 360 MHz, part number 501-5148-xx;
440 MHz, part number 501-5149-xx)
Pin # Description
[2]
2. Refer to Section 2.1.14.2 “Fan Monitoring and
Control” on page 2-9 for more information about
these signals.
1 Front fan fail
2 Power
3 GND