Mt Power Supply - Compaq dc5850 - Microtower PC Technical Reference Manual

Dc5850 series business desktop computers
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7.2.2 MT Power Supply

The MT form factor comes standard with a 300-watt, passive-PFC power supply unit with the
specifications and cabling as indicated in the following table and figure.
Input Line Voltage:
1 15–230 VAC (auto-ranging)
Line Frequency
Input (AC) Current
+3.3 VDC Output
+5.08 VDC Output
+5.08 AUX Output
+12 VDC Output
+12 VDC Output (Vcpu)
- 1 2 VDC Output
NOTES:
Total continuous output power should not exceed 300 watts. Maximum surge power (<10 seconds) 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%.
Power Supply
Unit
Conn
Pin 1
P1
+3.3
P1 [1]
+3.3
P3
RTN
P4, 5, 7, 8
+12
P9
+5
NOTES:
All + and - values are VDC.
RTN = Return (signal ground)
GND = Power ground
RS = Remote sense
POK = Power ok (power good)
[1] This row represents pins 13–24 of connector P1.
Figure 7-3. MT Power Cable Diagram
Technical Reference Guide
Table 7-2.
MT 300-Watt Power Supply Unit Specifications
Range or
Tolerance
90–264 VAC
47–63 Hz
--
+ 4 %
+ 3.3 %
+ 3.3 %
+ 5 %
+ 5 %
+ 10 %
P7
P8
Pin 2
Pin 3
Pin 4
Pin 5
+3.3
RTN
+5
RTN
- 1 2
RTN
PS On
RTN
RTN
VccP
VccP
RTN
+5.08
RTN
+3.3
RTN
RTN
+12
www.hp.com
Min.
Current
Max.
Loading [1]
Current
--
--
--
--
--
6.0 A
0.10 A
16.0 A
0.30 A
19.0 A
0.00 A
2.00 A
0.10 A
1 1.0 A
0.10 A
1 1.5 A
0.00 A
0.15 A
P9
P4
P5
P4, P5, P7, P8
P3
1
2
3
4
5
13
P1
1
Pin 6
Pin 7
Pin 8
+5
RTN
POK
RTN
RTN
nc
Power and Signal Distribution
Surge
Max.
Current [2]
Ripple
--
--
--
--
--
--
16.0 A
50 mV
19.0 A
50 mV
2.00 A
50 mV
1 1.0 A
120 mV
1 1.5 A
120 mv
0.15 A
200 mV
P9
4
3
2
1
P3
2
4
1
3
P1
24
12
Pin
Pin
Pin
Pin 9
10
1 1
12
5 aux
+12
+12
+3.3
+5
+5
+5
RTN
7-3

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