HP Model 748 HP Model 748 Service Handbook - Page 37

Table 3-2, Model 744/165L Memory Card Current Usage, Worksheet, Memory, First, Active, Second, Third

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Configuration Power Budgeting Table 3-2 Model 744/165L Memory Card Current Usage Worksheet Memory Card Size First Active Bank1 Second Active Bank Third Active Bank Inactive Banks Totals (+12V) Totals (+5V) 32 MB2 0.53 A 0.53 A 0.53 A 0.023A x 12V) 64 MB 1.2 A N/A N/A 0.05 A x (+12V) 128 MB 1.45 A N/A (+5V) N/A 0.07 A x ___ _______ 16 MB 0.53 A N/A (+12V) N/A 0.023A x 256 MB 2.90 A N/A N/A 0.14 A x ___ (+5V) ______ Totals 1 Choose the worst case active bank(s) for your calculation. 2 Slot positions and amount of 32 MB cards determine the number of active banks. 3-5

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Configuration
Power Budgeting
3-5
Table 3-2
Model 744/165L Memory Card Current Usage
Worksheet
Memory
Card
Size
First
Active
Bank
1
Second
Active
Bank
Third
Active
Bank
Inactive
Banks
Totals
(+12V)
Totals
(+5V)
32 MB
2
0.53 A
(+12V)
0.53 A
0.53 A
0.023A x ___
________
64 MB
1.2 A
(+12V)
N/A
N/A
0.05 A x ___
________
128 MB
1.45 A
(+5V)
N/A
N/A
0.07 A x ___
_______
16 MB
0.53 A
(+12V)
N/A
N/A
0.023A x ___
________
256 MB
2.90 A
(+5V)
N/A
N/A
0.14 A x ___
______
Totals
________
_______
1
Choose the worst case active bank(s) for your calculation.
2
Slot positions and amount of 32 MB cards determine the number of active banks.