Power Connectors; Figure B-1 Power Supply Connector J3603; Table B-2 Power Supply Connector J3603 Pin Description - Sun Microsystems Sun Blade 1000 Service Manual

B.1

Power Connectors

The motherboard has seven power connectors. The following table lists these power
connectors, the connector use, and the supporting figure and table.
identifies the motherboard connector location
.
TABLE B-1
Connector
J3603
J3601
J3302
J3303
J3602
J3608
14
7
FIGURE B-1
TABLE B-2
Pin
1
2
3
4
5
6
7
8
B-2 Sun Blade 1000 and Sun Blade 2000 Service Manual • January 2002
Power Connectors
Use
Power from power
supply
Power from power
supply
Power to PCI fan
Power to CPU fan
Power to combined
cable assembly
Power to peripheral
power cable assembly
Power Supply Connector J3603
Power Supply Connector J3603 Pin Description
Signal
POWERON_L
-12 VDC
+5 VDC Return (SENSE)
+3.3 VDC Return (SENSE)
RETURN
RETURN
Spare
POWER_OK
Supporting Figure
FIGURE B-1
FIGURE B-2
FIGURE B-3
FIGURE B-4
FIGURE B-5
FIGURE B-6
8
1
Description
Power on
-12 VDC
+5 VDC Return
+3.3 VDC Return
Return
Return
Spare
Power ok
FIGURE C-15
Supporting Table
TABLE B-2
TABLE B-3
TABLE B-4
TABLE B-5
TABLE B-6
TABLE B-7