Dell OptiPlex GXi Service Manual (.pdf) - Page 31

Table 1-1., DC Voltage Ranges, midsize and mini tower

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Table 1-1. DC Voltage Ranges Voltage Range Maximum Output Current1 +3.3 VDC +3.15 to +3.45 VDC 12.0 A1 (low-profile computers) 14.0 A1 (midsize and mini tower computers) +5 VDC +4.75 to +5.25 VDC 18.0 A1 (low-profile computers) 22.0 A1 (midsize and mini tower computers) +12 VDC +11.40 to +12.60 VDC 3.0 A2 (low-profile computers) 6.0 A2 (midsize and mini tower computers) -12 VDC -10.80 to -13.20 VDC 0.3 A (low-profile computers) 0.3 A (midsize and mini tower computers) -5 VDC -4.50 to -5.50 VDC 0.3 A (low-profile computers) 0.3 A (midsize and mini tower computers) +5 VFP3 +4.75 to +5.25 VDC 10 mA 1 The combined load on the +5-VDC and +3.3-VDC outputs shall not exceed 105 W on the low-profile computers or 140 W on the midsize computers. 2 Withstands surges of up to 11.0 A to support disk start-up operations. 3 VFP (volts flea power) - sometimes called "standby power." System Overview 1-13

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System Overview
1-13
Table 1-1.
DC Voltage Ranges
Voltage
Range
Maximum Output Current
1
+3.3 VDC
+3.15 to +3.45 VDC
12.0 A
1
(low-profile computers)
14.0 A
1
(midsize and mini tower
computers)
+5 VDC
+4.75 to +5.25 VDC
18.0 A
1
(low-profile computers)
22.0 A
1
(midsize and mini tower
computers)
+12 VDC
+11.40 to +12.60 VDC
3.0 A
2
(low-profile computers)
6.0 A
2
(midsize and mini tower
computers)
–12 VDC
–10.80 to –13.20 VDC
0.3 A (low-profile computers)
0.3 A (midsize and mini tower
computers)
–5 VDC
–4.50 to –5.50 VDC
0.3 A (low-profile computers)
0.3 A (midsize and mini tower
computers)
+5 VFP
3
+4.75 to +5.25 VDC
10 mA
1
The combined load on the +5-VDC and +3.3-VDC outputs shall not exceed 105 W on the
low-profile computers or 140 W on the midsize computers.
2
Withstands surges of up to 11.0 A to support disk start-up operations.
3
VFP (volts flea power) — sometimes called “standby power.”