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

5-17
Electrical Information
Table 5-13 identifies the single-ended SCSI connector pins.
Table 5-13 Single-Ended SCSI Connector Pinouts
Pin
Number
Signal
Pin
Number
Signal
1 GND 26 DATA 0
2 GND 27 DATA 1
3 GND 28 DATA 2
4 GND 29 DATA 3
5 GND 30 DATA 4
6 GND 31 DATA 5
7 GND 32 DATA 6
8 GND 33 DATA 7
9 GND 34 Data Parity
10 GND 35 GND
11 GND 36 GND
12 GND 37 GND
13 GND 38 Term_Pwr
14 GND 39 GND
15 GND 40 GND
16 GND 41 ATN
17 GND 42 GND
18 GND 43 BSY
19 GND 44 ACK
20 GND 45 RST
21 GND 46 MSG
22 GND 47 SEL
23 GND 48 CD
24 GND 49 REQ
25 GND 50 IO










