HP Model 748 HP Model 748 Service Handbook - Page 43
Table 3-7, Lower Power Supply Current Budgeting, Worksheet, Location, Device, 5V dc
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Configuration Power Budgeting for slots 3 and 4. For example, if the card in slot 1 draws 25 W at +3.3 V dc, only 14.8 W at +3.3 V dc is available to a card in slot 2. The limits of + 5 Vdc is 25 W per slot. Table 3-7 Location Mass Storage Device 1 Mass Storage Device 2 Mass Storage Device 3 Mass Storage Device 4 VME Slot 2 and VME Slot 1 EISA/PCI Slot 1 EISA/PCI Slot 2 EISA/PCI Slot 3 EISA/PCI Slot 4 Lower Power Supply Current Budgeting Worksheet Device +5V dc +12V dc -12V dc -5.2V dc Amps Amps Amps Amps Model 743/ 744 Board Computer _______ Total Current Required: Maximum Available: 33.0A 8.0A 1.5A 1.0A 3-11
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Configuration
Power Budgeting
3-11
for slots 3 and 4. For example, if the card in slot 1 draws 25 W at
+3.3 V dc, only 14.8 W at +3.3 V dc is available to a card in slot 2.
The limits of + 5 Vdc is 25 W per slot.
Table 3-7
Lower Power Supply Current Budgeting
Worksheet
Location
Device
+5V dc
Amps
+12V dc
Amps
-12V dc
Amps
-5.2V dc
Amps
Mass Storage
Device 1
Mass Storage
Device 2
Mass Storage
Device 3
Mass Storage
Device 4
VME Slot 2
and
VME Slot 1
Model 743/
744 Board
Computer
_______
EISA/PCI Slot 1
EISA/PCI Slot 2
EISA/PCI Slot 3
EISA/PCI Slot 4
Total Current Required:
Maximum Available:
33.0A
8.0A
1.5A
1.0A