HP 8000 tower manual SFF 240-Watt Power Supply Unit Specifications

Power and Signal Distribution

Table 7-2 lists the specifications of the 240-watt power supply used in the SFF unit.

Table 7-2.

SFF 240-Watt Power Supply Unit Specifications

		AC Range or	Min.
			Current	Max.	Surge	Max.
		DC Regulation	Loading [1]	Current	Current [2]	Ripple
Input voltage:
115 VAC		90–140 VAC	--	--	--	--
230 VAC		180–264 VAC
Line Frequency		47–63 Hz	--	--	--	--
Input (AC) Current Requirement		--	--	5.5 A rms	--	--
(100 VAC rms @ 60 Hz)
Output voltage (VDC):
+12	Vmain	11.62 to 12.57	0.5 A	14 A	16 A	120 mV
+12	Vcpu	11.62 to 12.57	1 A	12 A	16 A	120 mV
+12	Vsb (aux)	11.06 to 11.74	0.1 A	1.3 A	1.5 A	120 mV
–12 V		–10.8 to –13.2	0 A	0.15 A	0.5 A	120 mV

NOTES:

Total continuous power should not exceed 240 watts. Total surge power (<10 seconds w/duty cycle < 5 %) should not exceed 265 watts.

[1]The minimum current loading figures apply to a PS On start up only.

[2]Maximum surge duration for +12Vcpu is 1 second with 12-volt tolerance +/- 10%.

Table 7-3 lists the specifications for the 320-watt power supply used in the CMT form factor.

Table 7-3.

CMT 320-Watt Power Supply Unit Specifications

		AC Range or	Min.
			Current	Max.	Surge	Max.
		DC Regulation	Loading [1]	Current	Current [2]	Ripple
Input voltage:
115 VAC		90–140 VAC	--	--	--	--
230 VAC		180–264 VAC
Line Frequency		47–63 Hz	--	--	--	--
Input (AC) Current Requirement		--	--	5.5 A rms	--	--
(100 VAC rms @ 60 Hz)
Output voltage (VDC):
+12	Vmain	11.62 to 12.57	0.5 A	16 A	18 A	120 mV
+12	Vcpu	11.62 to 12.57	1 A	14 A	18 A	120 mV
+12	Vsb (aux)	11.06 to 11.74	0.1 A	1.3 A	1.5 A	120 mV
–12 V		–10.8 to –13.2	0 A	0.15 A	0.5 A	120 mV

NOTES:

Total continuous output power should not exceed 320 watts.

[1]Minimum loading requirements must be met at all times to ensure normal operation and specification compliance.

[2]Maximum surge duration for +12Vcpu is 1 second with 12-volt tolerance +/- 10%.

Technical Reference Guide www.hp.com 7-3