GE VR11, Reference Manual

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Table 25: Power consumption CPU dependent
VR11 DOS, one core running
full cache access, one
core idle, CPU die
75 °C* Windows XP, both CPU
cores running a thermal
design power consumption
instruction mix at +100 °C
die temperature
+5 V +5 V
2.17 GHz (T7400) 4.9 A 7.1 A
2.0 GHz (T2500) 4.0 A 5.8 A
1.67 GHz (L2400) 2.7 A 3.7 A
1.5 GHz (L7400)** 3.1 A 4.1 A
1.2 GHz (U2500)** 1.4 A 2.0 A
1.07 GHz
(Cel423)** 1.2 A 1.4 A
* for every 25 °C more please add around 10 %
** estimated values
Table 26: Power consumption DRAM dependent
VR11 DOS prompt or
CPU running
full cache
access, mid
range
temperature *
BIOS POST
during
memory
initialization* Windows XP, 3D
graphics active, both
Gigabit and the Fast-
Ethernet channels
linked
+3.3 V +3.3 V +3.3 V
512 MB (1 bank, 9
devices)** 8.4 A 11.7 A 9.3 A
1 GB (2 banks, 18
devices)** 8.7 A 12.0 A 9.6 A
2 GB (4 banks, 36
devices) 9.2 A 12.7 A 10.1 A
4 GB (4 banks, 36
devices) 9.2 A 12.7 A 10.1 A
* for every Ethernet channel linked to gigabit please add 0.55 A
** estimated values
The exact values may vary with different dram vendors by +/- 20 %
•
When using onboard PMC modules don’t forget to add their power
consumption
•
With an onboard hard disk drive please add the following values to the
+5 V current:
GE Intelligent Platforms – VR11, VP11 Hardware Reference Manual, Second Edition Page 77