Technical data
Table Of Contents
- Technical Reference Manual for OEMs HP Models 743, 744, and 748
- Contents
- 1 General Information
- Model 743 and Model 744 VME Board Computers
- Product Description
- Supported Configurations
- Model 743 and Model 744 External Devices
- Keyboard and Mouse
- Model 743 and Model 744 Cables
- Model 743 and Model 744 Functional Description
- Model 744 Block Diagram
- CPU Circuit
- Boot ROM Circuit
- Graphics Circuit
- Model 743 Memory Controller Circuit
- Model 744 Memory Controller Circuit
- LED Displays
- I/O Controller ASIC
- VME Controller ASIC
- I/O Expansion
- I/O Expansion Block Diagrams
- Model 748 Ruggedized Workstation
- Model 743 and Model 744 VME Board Computers
- 2 References
- 3 Quality
- 4 Mechanical Information
- 5 Electrical Information
- Video Connector Pinouts
- Audio Connector Pinouts
- HP Parallel Connector Pinouts
- RS-232 Connector Pinouts
- AUI LAN Connector Pinouts
- Single-Ended SCSI Connector Pinouts
- FW SCSI Connector Pinout
- PS/2 Connector Pinouts
- VME Connector Pinouts
- Real-Time Clock (RTC) Battery Information
- Video Output Signal Specifications
- Video Timing Specifications
- 6 Power Requirements
- 7 Product Design Considerations
- Index

6-13
Power Requirements
Power Distribution
Table 6-9 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










