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

1-4
General Information
Model 743 and Model 744 VME Board Computers
Table 1-2 lists the feature sets of the Model 744/132L VME Board Computer
.
Three Slot Upgrades PMC Expansion Adapter (A4509A) with two additional PMC sites
ATM card (J3420A) (Requires GSC expansion kit A4262A - one additional site supported
for 3x5 GSC card) (Not available with HP-RT)
Table 1-1 Model 743i (A4260A) and 743rt (A4261A) Features
Feature Specifications
Table 1-2 Models 744/132L (A4500A) and 744rt/132L (A4520A) Features
Feature Specifications
VME Slot Configuration Single Slot - Standard features
Two Slots - PMC Bridge Adapter (A4504A)
GSC expansion kit (A4219A)
HCRX graphics (A4315A or A4316A)
FWD SCSI (A4268A)
8-plane graphics (A4267A)
Three Slots - ATM card (J3420A) and expansion kit (A4219A), or
PMC Expansion Adapter (A4509A)
CPU 132 MHz PA-RISC PA7300-LC
128 KB Primary internal cache (64 KB instruction cache, 64KB
data cache)
Clocks Battery backed real-time clock
Interval timers (one 32-bit and two 16-bit)
Watchdog timer
Operating System HP-UX 10.20 or later, or HP-RT 2.21 patch or later
User Interface HP VUE graphical user interface (HP-UX)
HP CDE graphical user interface (HP-UX)
HP-RT
Compatibility Source and binary code compatible with the Series 700 product family
Monitors Single or multiple display depending on the number of installed graphics options
(on-board and/or external)
Color monitors
17-inch, 1280 x 1024
19-inch, 1280 x 1024
Terminals - Text only connected to RS-232C port
Optional Graphics Onboard (A4500A option 120)
PMC Visualize-EG Graphics Card (A4979A)
Note: A maximum of four graphics displays are allowed with HP-UX 10.10
ACE and later releases, a maximum of one graphics display with HP-RT.
Main Memory Single VME Slot Configuration - 64 to 256 MB A4503A, A4449A, A6005A)
Two VME Slots Configuration - 64 to 1024 MB










