Filter
Top Products
Chapter 6 Power and Signal Distribution
Compaq Deskpro EXS and Workstation 300 Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition - December 2000
6-2
6.2.1 POWER SUPPLY ASSEMBLY
The power supply assembly is contained in a single unit that features a selectable input voltage:
90-132 VAC and 180-264 VAC. Deskpro EN SFF systems use a 120-watt supply while all other
systems employ a 265-watt supply. Table 6-1 list the specifications of the power supplies.
Table 6–1. 265-Watt Power Supply Assembly Specifications
Table 6-1.
265-Watt Power Supply Assembly Specifications (P/N 195196)
Range/
Tolerance
Min. Current
Loading [1]
Max.
Current
Surge
Current [2]
Max.
Ripple
Input Line Voltage:
115 VAC Setting
230 VAC Setting
90 - 132 VAC
180-264 VAC
--
--
--
--
--
--
--
--
Line Frequency 47 - 63 Hz -- -- -- --
Constant Input (AC) Current -- -- 4.0 A -- --
+3.3 VDC Output +/- 5% 1.00 A 24.0 A 24.0 A 50 mV
+5 VDC Output +/- 5 % 1.00 A 11.0 A 11.0 A 50 mV
+3 AUX Output +/- 5 % 0.00 A 2.20 A 2.20 A 50 mV
+5 AUX Output +/- 4 % 0.0 A 1.70 A 1.70 A 50 mV
+12 VDC Output +/- 5 % 0.00 A 5.00 A 8.0 A 120 mV
+12.8 VDC Output (Vcpu) +/- 5 % 0.00 A 7.50 A 10.5 A 200 mv
-12 VDC Output +/- 10 % 0.00 A 0.15 A 0.15 A 200 mV
NOTES:
[1] Minimum loading requirements must be met at all times to ensure normal operation
and specification compliance.
[2] Surge duration no longer than 10 seconds and +12 tolerance +/- 10%.