Model 744 Memory Slots; Model 744/132L Memory Card Current Usage Worksheet; Model 744/165L Memory Card Current Usage Worksheet - HP 744 Hardware User Manual

Figure 3-1
Table 3-2
Table 3-3
Memory
First Active
Card
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)
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.

Model 744 Memory Slots

Model 744/132L Memory Card Current Usage Worksheet

First
Memory
Active
Card
1
Size
Bank
2 1.15 A
32 MB
64 MB 2.6 A
128 MB 1.45A
16 MB 1.15 A
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.

Model 744/165L Memory Card Current Usage Worksheet

Second
Active
1
Bank
Bank
0.53 A
N/A
N/A
N/A
Typical Installation in a VME Card Cage
Configuring the VME Card Cage
Slot 3
Slot 2
Slot 1
Slot 0
Model 744 System Board
Second Third
Active Active
Bank Bank
1.15 A 1.15 A
N/A N/A
N/A N/A
N/A N/A
Third
Inactive
Active
Banks
Bank
0.53 A 0.023A x ___
N/A 0.05 A x ___
N/A 0.07 A x ___
N/A 0.023A x ___
Memory Slots
Inactive Totals
Banks (+5V)
0.05A x ___ _________
0.1 A x ___ _________
0.07 A x ___ _________
0.05A x ___ _________
_________
Totals Totals
(+12V) (+5V)
_______
_______
______
_______
_______ _______
3-5