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Model 744 memory slots 3-5 – HP 744 User Manual

Page 71

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3-5

Typical Installation in a VME Card Cage

Configuring the VME Card Cage

Figure 3-1

Model 744 Memory Slots

Table 3-2

Model 744/132L Memory Card Current Usage Worksheet

Memory

Card

Size

First

Active

Bank

1

Second

Active

Bank

Third

Active

Bank

Inactive

Banks

Totals

(+5V)

32 MB

2

1.15 A

1.15 A

1.15 A

0.05A x ___

_________

64 MB

2.6 A

N/A

N/A

0.1 A x ___

_________

128 MB

1.45A

N/A

N/A

0.07 A x ___

_________

16 MB

1.15 A

N/A

N/A

0.05A x ___

_________

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

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 ___

_______

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.

Slot 3
Slot 2
Slot 1
Slot 0

Model 744 System Board

Memory Slots