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
5-22
Electrical Information
Table 5-16 Model 743 and 744/Model 748 VME P1/J1 Pin Assignments and Signal Mnemonics
Pin
Number
Row A Row B Row C
1D00 BBSY D08
2D01 BCLR D09
3D02 ACFAILD10
4 D03 BG0IN D11
5 D04 BG0OUT D12
6 D05 BG1IN D13
7 D06 BG1OUT D14
8 D07 BG2IN D15
9 GROUND BG2OUT GROUND
10 SYSCLOCK BG3IN SYSFAIL
11 GROUND BG3OUT BERR
12 DS1 BR0 SYSRESET
13 DS0 BR1 LWORD
14 WRITE BR2 AM5
15 GND BR3 A23
16 DTACK AM0 A22
17 GND AM1 A21
18 AM2 AM2 A20
19 AM3 AM3 A19
20 GND GND A18
21 IACKIN NC A17
22 IACKOUT NC A16
23 AM4 GND A15
24 A07 IRQ7 A14
25 A06 IRQ6 A13
26 A05 IRQ5 A12
27 A04 IRQ4 A11
28 A03 IRQ3 A10
29 A02 IRQ2 A09
30 A01 IRQ1 A08
31 -12Vdc NC +12Vdc
32 +5Vdc +5Vdc +5Vdc