Compaq W4000 manual Watt Power Supply Assembly Specifications PN, Range Min. Current Max Surge

Chapter 6 Power and Signal Distribution

6.2.1 POWER SUPPLY ASSEMBLY

These systems feature auto-ranging power supplies with power factor-correction logic. The SFF systems use a 175-watt supply while the desktop and configurable minitower systems employ a 250-watt supply. Tables 6-1 and 6-2 list the specifications of the power supplies.

Table 6–1. 175-Watt Power Supply Assembly Specifications

Table 6-1.

175-Watt Power Supply Assembly Specifications (PN 243891)

			Range/	Min. Current	Max.	Surge	Max.
			Tolerance	Loading [1]	Current	Current [2]	Ripple
	Input Line Voltage:		90 - 264 VAC	--	--		--
115		- 230 VAC (auto-ranging)				--
	Line Frequency		47 - 63 Hz	--	--	--	--
	Constant Input (AC) Current		--	--	2.7 A	--	--
	+3.33	VDC Output	+/- 6 %	0.6 A	12.0 A	--	50 mV
	+5 VDC Output		+/- 5 %	0.5 A	8.0 A	--	50 mV
	+3.30	AUX Output	+/- 5 %	1.0 A	1.0 A	--	50 mV
	+5.05	AUX Output	+/- 4 %	0.1 A	2.4 A	--	50 mV
	+12 VDC Output		+/- 3 %	0.0 A	3.0 A	4.5 A	120 mV
	+12.8	VDC Output (Vcpu)	+/- 12 %	0.1 A	7.5 A	--	120 mv
	-12 VDC Output		+/- 10 %	0.0 A	0.3 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 with 12-volt tolerance +/- 10%.

Table 6–2. 250-Watt Power Supply Assembly Specifications

Table 6-2.

250-Watt Power Supply Assembly Specifications (PN 243890)

	Range/	Min. Current	Max.	Surge	Max.
	Tolerance	Loading [1]	Current	Current [2]	Ripple
Input Line Voltage:
115 - 230 VAC Setting	90 - 264 VAC	--	--	--	--
Line Frequency	47 - 63 Hz	--	--	--	--
Constant Input (AC) Current	--	--	3.6 A	--	--
+3.3 VDC Output	+/- 5%	1.0 A	17.0 A	17.0 A	50 mV
+5 VDC Output	+/- 5 %	1.0 A	11.0 A	11.0 A	50 mV
+3 AUX Output	+/- 5 %	0.0 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 %	0.1 A	5.00 A	7.50 A	120 mV
+12.8 VDC Output (Vcpu)	+/- 5 %	0.0 A	7.50 A	10.5 A	200 mv
-12 VDC Output	+/- 10 %	0.0 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 with 12-volt tolerance +/- 10%.

6-2Compaq Evo and Workstation Personal Computers

Featuring the Intel Pentium 4 Processor

Second Edition- January 2003