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

5-30
Electrical Information
Table 5-25 identifies the PMC JN4 User Defined pin outs on the PMC Bridge J14 connector
that is wired to the VME backplane P2 connector.
39 PERR# 40 Ground
41 +3.3V 42 SERR#
43 C/BE1# 44 Ground
45 AD14 46 AD13
47 Ground 48 AD10
49 AD08 50 +3.3V
51 AD07 52 PMC-RSVD
53 +3.3V 54 PMC-RSVD
55 PMC-RSVD 56 Ground
57 PMC-RSVD 58 PMC-RSVD
59 Ground 60 PMC-RSVD
61 ACK64# 62 +3.3V
63 Ground 64 PMC-RSVD
Table 5-23 PMC JN2 Signals (Bridge J12)
Pin
Number
Signal
Pin
Number
Signal
Table 5-24 PMC JN4 Pin Outs (Bridge J14)
Pin
Number
Signal
Pin
Number
Signal
1 P2-C1 2 P2-A1
3 P2-C2 4 P2-A2
5 P2-C3 6 P2-A3
7 P2-C4 8 P2-A4
9P2-C5 10P2-A5
11 P2-C6 12 P2-A6
13 P2-C7 14 P2-A7
15 P2-C8 16 P2-A8
17 P2-C9 18 P2-A9
19 P2-C10 20 P2-A10
21 P2-C11 22 P2-A11
23 P2-C12 24 P2-A12
25 P2-C13 26 P2-A13
27 P2-C14 28 P2-A14
29 P2-C15 30 P2-A15










