user manual

2-10
Power Budget
Power Budgeting
CAUTION: If you upgrade your Model 748 ruggedized workstation, adding more: RAM
cards, mass storage devices, GSC, VME, EISA, PCI, or PMC accessory
cards, you must recompute the power budget to ensure the new configuration
will be within the available current each power supply can provide.
Table 2-6 Upper Power Supply Current Budgeting Worksheet
Location Device
+5V dc
Amps
+12V dc
Amps
-12V dc
Amps
VME Slot 8
VME Slot 7
VME Slot 6
VME Slot 5
VME Slot4
VME Slot 3
or PMC cards
in Expansion
Adapter
1
Total Current
Required:
Maximum Available: 34.0A 8.0A 1.5A
1. +3.3 current must be entered into Table 2-3 or Table 2-4