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

5-32
Electrical Information
Table 5-26 identifies the PMC JN1 signals on the PMC Expander J31 connectors.
16 GSC-AD0 54 VDL 129 PCI-AD14
17 GSC-AD1 55 VDL 130 PCI-AD15
18 GSC-AD2 56 VDL 131 PCI-AD16
19 GSC-AD3 57 VDL 132 PCI-AD17
20 GSC-AD4 58-95 No connect 133 PCI-AD18
21 GSC-AD5 96 PCI-RST-L 134 PCI-AD19
22 GSC-AD6 97 PCI-SL3-CLK 135 PCI-AD20
23 GSC-AD7 98 PCI-FRAME-L 136 PCI-AD21
24 GSC-AD8 99 PCI-SL4-CLK 137 PCI-AD22
25 GSC-AD9 100 PCI-CBEO 138 PCI-AD23
26 GSC-AD10 101 PCI-CBE1 139 PCI-AD24
27 GSC-AD11 102 PCI-CBE2 140 PCI-AD25
28 GSC-AD12 103 PCI-CBE3 141 PCI-AD26
29 GSC-AD13 104 PCI-SERR-L 142 PCI-AD27
30 GSC-AD14 105 PCI-PERR-L 143 PCI-AD28
31 GSC-AD15 106 PCI-PAR 144 PCI-AD29
32 GSC-AD16 107 PCI-REQC-L 144 PCI-AD30
33 GSC-AD17 108 PCI-GNTC-L 146 PCI-AD31
34 GSC-AD18 109 PCI-REQD-L 147 PCI-INTA-L
35 GSC-AD19 110 PCI-GNTD-L 148 PCI-INTB-L
36 GSC-AD20 111 PCI-TRDY-L 149 PCI-INTC-L
37 GSC-AD21 112 PCI-IRDY-L 150 PCI-INTD-L
38 GSC-AD22 113 PCI-LOCK-L 151 PCI-DEVSEL-L
152 VDL
Table 5-25 PMC Bridge J3 Connector
Pin
Number
Signal
Pin
Number
Signal
Pin
Number
Signal
Table 5-26 PMC JN1 Signals (Expander J31)
Pin
Number
Signal
Pin
Number
Signal
1TCK 2 -12V
3 Ground 4 INTD
5 INTA# 6 INTB
7 BUSMODE1# 8 +5V
9 INTC# 10 PCI-RESERVED
11 Ground 12 PCI-RESERVED
13 CLK 14 Ground
15 Ground 16 GNTC#










