Wire Disk, CD
Pin Description Idle CPU Disk 2CPUs
ATX per wire Amperage
1 +3.3VDC 2.17 2.18 2.43 2.56
2 +3.3VDC 2.4 2.4 2.74 2.94
3 COM
4 +5VDC .00 .00 .00 .00
5 COM
6 +5 VDC .00 .00 .00 .00
7 COM
8 PWR_OK
9 +5VSB
10 +12 V1DC .02 .02 .02 .02
11 +12 V1DC .75 .75 .75 .75
12 +3.3 VDC .38 .38 .43 .48
13 +3.3VDC .94 .95 1.02 1.15
[13] +3.3 V DS
14 -12VDC
15 COM
16 PS_ON#
17 COM
18 COM
19 COM
20 Reserved
21 +5VDC .00 .00 .00 .00
22 +5 VDC .00 .00 .00 .00
23 +5 VDC .00 .00 .00 .00
24 COM
EPS per wire connector Amperage
1 COM
2 COM
3 COM
4 COM
5 +12 VDC .38 .44 .62 .34
6 +12 VDC 3.40 4.20 3.60 4.70
7 +12 VDC .78 .84 .72 1.09
8 +12 VDC .86 1.00 .87 1.13
MOLEX connector per wire Amperage
1 +5 VDC .59 .59 .86 .59
4 +12 V1DC .16 .16 .18 .16
Amperage measured at midpoint of load tests
NA NA 1.26 1.42 1.29 1.59
Max Amperage during boot per hardware configuration
NA NA 1.54
Watts/hour used during boot per hardware configuration
NA NA 5.8
Watts/hour used during load tests
NA NA 4.7 5.2 5.4 5.8
Total Amperage Per Rail
Rail Idle CPU Disk 2CPU
3.3V 5.89 5.91 6.62 7.13
5.0V .59 .59 .86 .59
12.0V 6.35 7.41 6.76 8.19