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

3-6
Quality
Electromagnetic Compatibility Programs
Table 3-7 summarizes the magnetic field immunity tests.
Line Transients Immunity/Susceptibility Test Suite
This section summarizes the Line Transients Immunity/Susceptibility Test Suite.
NOTE: All tests in this suite were performed while the product was operating.
Table 3-8 summarizes the electrical fast transients test.
Table 3-9 summarizes the surge transients tests.
Table 3-10 summarizes the conducted immunity test.
Table 3-11 summarizes the line sag test.
Table 3-7 Magnetic Field Immunity
Standard Level
HP Standard 765.001 317 A/m
IEC 801-8 level 5 100 A/m
Table 3-8 Electrical Fast Transients
Standard Level
prEN55024-4 (ISM) 2 KV mains, 1 KV I/O ports
Table 3-9 Surge Transients
Standard Level
HP Standard 765.003 1 KV DM/CM high energy transient
HP Standard 765.003 1 KV DM/CM low energy transient
HP Standard 765.003 3 KV peak DM/CM low energy ring wave
IEC 801-5 level 3 1 KV DM, 2KV CM
Table 3-10 Conducted Immunity
Standard Level
EN55082-1, IEC801-6, level 2 3 V rms
Table 3-11 Line Sag
Standard Level
HP Standard 765.003 500 ms, 33% sag










