HP Model 748 HP Model 748 Service Handbook - Page 40
Table 3-4, Model 743 Current Requirements Worksheet, Each Model 743 Board Computer, 5V dc, 12V dc
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Configuration Power Budgeting Table 3-4 Model 743 Current Requirements Worksheet Each Model 743 Board Computer +5V dc Amps +12V dc Amps -12V dc Amps If 64 MHz, current for +5V dc is 6.1A 1 If 100 MHz, current for +5V dc is 7.5A 0.1A 0.1A RAM cards x 0.2A each = Graphics subsystems 2 x 0.7A each = FWD SCSI GSC card x 0.7A each = HCRX graphics board 2.0A PMC bridge adapter 0.6A PMC cards on bridge adapter 3 Totals for Model 743 board computer 1. Does not include on-board graphics, if installed. 2. On-board graphics and graphics accessory cards are each separate graphics subsystems. 3. PMC cards may also draw +3.3 current that is provided through the +5 on the bridge adapter. The +3.3 current FOR ALL PMC CARDS ON THE BRIDGE ADAPTER AND EXPANSION ADAPTER (do not include other expansion adapter currents) must be entered into the +5 column after multiplying the +3.3 current by .75 to convert to the actual +5 current draw. 3-8