Technical data

Product Information
Product Description
1-4
NOTE: Either a GSC expansion kit or the HCRX expansion graphics
boards extend graphics capability beyond the onboard graphics
chip set of a Model 743 board computer. However, the HP-RT
operating system supports only one graphics display, and HP-UX
10.x supports up to three graphics displays.
• Main Memory
Single VME slot 743i: 16 to 128 MB RAM
Single VME slot 743rt: 8 to 128 MB RAM
Dual VME slot 743i: 16 to 256 MB RAM
Dual VME slot 743rt: 8 to 256 MB RAM
(Dual slot means an expansion kit or HCRX board must be
installed.)
NOTE: A Model 743 configured for more than two RAM cards (one in
each RAM stack) requires installation of an expansion kit or an
HCRX graphics board and occupies two VME slots.
Up to four RAM cards may be installed - three cards in RAM
stack 1, one card in RAM stack 2.
RAM cards may be placed in any order. A higher capacity mem-
ory card can be added on top of a lower capacity card or you can
reverse the order, with a lower capacity card on top of a higher
capacity card.
• Standard Features
Internal SCSI-2 single-ended bus
2 asynchronous RS-232-C ports (requires a conversion cable)
1 HP parallel port (requires a conversion cable)
1 LAN AUI port (requires a conversion cable)
2 mini-DIN PS/2 ports
1 slot for RAM memory (memory cards can be stacked)
CD-quality audio, supported only by HP-UX and requires a
conversion cable
PCMCIA adapter, supported only by HP-RT
• Dual Slot Upgrades
PMC bridge board (with two PMC sites, cannot be used w/