Appendix C Assembly, Installation and Initial Start Up Procedures C-3
1. 5.0V is used to supply the 2.6 or 1.9 Vdd core voltage to the CPU. All values are maximum
unless otherwise specified.
2. Obtain specific power requirements from your vendors.
C.1.2 Power Budgeting
TABLE C-2 System and Peripheral Power Budgeting Requirements Table
(Duplicate and use as worksheet to budget for a specific configuration)
ID ___________________________Ref. No. _________________ Date_______________________
Device +3.3V +5.0V +12V -12V Notes
Motherboard 1.0A 2.0A 0.5A .05A
CPU Modules
270 MHz (501-5039-03)
300 MHz (501-5040-03)
333 MHz (501-5090-01)
360 MHz (501-5222-01)
360 MHz (501-5148-02)
440 MHz (501-5149-04)
1.6 A
2.2 A
4.5 A (typ)
4.8 A (typ)
2.6 A (typ)
2.8 A (typ)
2.6 A
3.8 A
5.1 A (est)
5.4 A (est)
3.0 A (est)
3.5 A (est)
—
—
—
—
—
—
—
—
—
—
—
—
1
1
1
1
1
1
Memory — — — 2
PCI Card — 2
PCI Card — 2
PCI Card — 2
PCI Card — 2
PCI Card — 2
PCI Card — 2
Fan-Sanyo Denki
Fan-NMB
—
—
—
—
0.13A
0.22A
—
—
2
2
Subtotal on Motherboard
power connector (J1901)
Hard Drive — — 2
CD ROM Drive — — 2
Floppy Drive — — 2
Added Device — — 2
Added Device — — 2
Grand Total in Amps
Grand Total in Watts (AxV)
Total all Columns and add appropriate safety margin
for Power Supply requirement. _____ Watt + 25% = _____ Watts
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