Technical Reference Guide
361834-002
7-3
Power and Signal Distribution
NOTES:
Total continuous power should not exceed 300 watts. Total continuous power (excluding 5 V aux output) should not exceed 290
watts
[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 tol/- 10%.
Table 7-4 lists the specifications for the 340-watt power supply used in the CMT form factor and
in some MT form factors.
NOTES:
Total continuous output power should no exceed 340 watts. Maximum surge power should not exceed 360 watts. Total
continuous power (excluding 5 V aux output) should not exceed 325watts.
Maximum combined power of +5 and +3.3 VDC is 160 watts.
[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 tol/- 10%.
Table 7-3.
300-Watt (MT) Power Supply Assembly Specifications
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
--
--
8.0 / 4.0A
--
--
+3.3 VDC Output
+ 5%
0.1 A
18.0 A
19.0 A
50 mV
+5 VDC Output
+ 5%
0.3 A
25.0 A
25.0 A
50 mV
+5 AUX Output
+ 5%
0.0 A
2.0 A
2.0 A
50 mV
+12 VDC Output
+ 5 %
0.1 A
6.5 A
6.5 A
120 mV
+12 VDC Output (Vcpu)
+ 5 %
0.1 A
12.5 A
12.5 A
120 mv
--12 VDC Output
+ 10 %
0.0 A
0.8 A
0.8 A
200 mV
Table 7-4.
340-Watt (MT/CMT) Power Supply Assembly Specifications
Range or
Tolerance
Min.
Current
Loading [1]
Max.
Current
Surge
Current [2]
Max.
Ripple
Input Line Voltage:
115–230 VAC (auto-ranging)
90–132 VAC
--
--
--
--
Line Frequency
47–63 Hz
--
--
--
--
Input (AC) Current
--
--
6.0 A
--
--
+3.3 VDC Output
+ 4 %
0.10 A
24.0 A
24.0 A
50 mV
+5.08 VDC Output
+ 3.3 %
0.30 A
19.0 A
19.0 A
50 mV
+5.08 AUX Output
+ 3.3 %
0.00 A
3.00 A
3.00 A
50 mV
+12 VDC Output
+ 5 %
0.20 A
12.0 A
14.5 A
120 mV
+12 VDC Output (Vcpu)
+ 5 %
0.00 A
12.5 A
12.5 A
200 mv
-12 VDC Output
+ 10 %
0.00 A
0.15 A
0.15 A
200 mV
Summary of Contents for Compaq dc71 Series
Page 50: ...2 34 361834 002 Technical Reference Guide System Overview ...
Page 58: ...3 8 361834 002 Technical Reference Guide Processor Memory Subsystem ...
Page 126: ...5 40 361834 002 Technical Reference Guide Input Output Interfaces ...
Page 168: ...8 20 361834 002 Technical Reference Guide BIOS ROM ...
Page 188: ...A 20 361834 002 Technical Reference Guide Error Messages and Codes ...
Page 192: ...B 4 361834 002 Technical Reference Guide ASCII Character Set ...
Page 210: ...C 18 361834 002 Technical Reference Guide Keyboard ...
