Model 744 Memory Slots; Model 744/132L Memory Card Current Usage Worksheet; Model 744/165L Memory Card Current Usage Worksheet - HP 744 Owner's Manual

Figure 3-1

Model 744 Memory Slots

Table 3-2

Model 744/132L Memory Card Current Usage Worksheet

Memory
Card
Size
32 MB
64 MB
128 MB
16 MB
256 MB
Total memory current
1
Choose the worst case active bank(s) for your calculation.
2
Slot positions and amount of 32MB cards determine the number of active banks.
Table 3-3

Model 744/165L Memory Card Current Usage Worksheet

Memory
First Active
Card
Bank
Size
2 0.53 A (+12V)
32 MB
64 MB 1.2 A (+12V)
128 MB 1.45 A (+5V)
16 MB 0.53 A (+12V)
256 MB 2.90 A
Total memory currents
1
Choose the worst case active bank(s) for your calculation.
2
Slot positions and amount of 32MB cards determine the number of active banks.
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First
Second
Active
Active
1
Bank
Bank
2 1.15 A 1.15 A
2.6 A N/A
1.45A N/A
1.15 A N/A
2.90 A N/A
Second Third
Active Active
1
Bank Bank
0.53 A 0.53 A
N/A N/A
N/A N/A
N/A N/A
N/A N/A
Typical Installation in a VME Card Cage
Configuring the VME Card Cage
Slot 3
Slot 2
Memory Slots
Slot 1
Slot 0
Model 744 System Board
Third
Inactive
Active
Banks
Bank
1.15 A 0.05A x ___
N/A 0.1 A x ___
N/A 0.07 A x ___
N/A 0.05A x ___
N/A 0.14 A
Inactive Totals
Banks (+12V)
0.023A x ___ _______
0.05 A x ___ _______
0.07 A x ___
0.023A x ___ _______
0.14 A
_______
Totals
(+5V)
_________
_________
_________
_________
_________
_________
Totals
(+5V)
______
_______
_______
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