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IBM-AUSTRIA - PC-HW-Support 30 Aug 1999 |
Power Supply to Power Distribution Board Interface (8650)
Power Supply to Power Distribution Board Interface
- J1, power to lower SCSI hard drive backplane
- J2, power to upper SCSI hard drive backplane
- J3, +5.1 Vdc and +12 Vdc power to system peripherals
- J4, +5.1 Vdc and +12 Vdc power to system peripherals
- J5, +5.1 Vdc and +12 Vdc power to diskette drives
- J6, power to J9 on system board
- J12 and 13, fan connectors
- J10, I²C connector
- J11, power control signal to J11 system on system board
- J7, power to J10 on system board
11, 12, 13
J9A, J9B, J9C, DC power connections from supply
| Pin Position |
Description |
| 1, 6 |
Ground |
| 7 |
+3.3 Vdc |
| 8 |
+12 Vdc |
| 9 |
-12 Vdc |
| 10 |
-5 Vdc |
| 11, 12 |
+5.1 Vdc |
| 13, 17 |
Ground |
| 18, 19 |
+3.3 Vdc |
| 20, 21 |
+12 Vdc |
| 22, 24 |
+5.1 Vdc |
11, 12, 13
J8A, J8B, J8C, Power control and status signals from supply
| Pin Position |
Description |
| 1 |
+5 Vdc remote sense (+) |
| 2 |
+12 Vdc remote sense (+) |
| 3 |
+3.3 Vdc remote sense (+) |
| 4 |
Ground remote sense (-) |
| 5 |
+5 Vdc load share |
| 6 |
+12 Vdc load share |
| 7 |
+3.3 Vdc load share |
| 8 |
PON |
| 9 |
Vbias |
| 10 |
+5 V standby |
| 11 |
FAULT |
| 12 |
Ground |
| 13 |
Power good |
| 14, 15 |
NC |
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