A-4 SPARCengine Ultra AX
i
OEM Technical Manual • May 1999
A.2 Headers
A.2.1 Reset Switch Header J1501
TABLE A-2 Header Summary
Header Function
J1501 Reset Switch (front panel)
J1990 System Power On LED (front panel)
J2500 PS/2 Mouse (rear bracket)
J2501 PS/2 Keyboard (rear bracket)
J3201 Speaker (front panel)
J3301 Power ON-OFF Switch (front panel)
J3302 Reserved (No Jumper)
J3602 Optional/Back Fan
J3603
[1]
1. Required for CPU modules with straight fin heatsinks (e.g., 360
MHz, part number 501-5148-xx; 440MHz, part number 501-5149-xx)
CPU/Front Fan
TABLE A-3 Reset Switch Header
Pin # Description
1 For factory use only.
2 Ground from reset switch.
3 Signal side from reset switch.
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