80-Bus News

  

Spring 1985, Volume 4, Issue 1











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QUANTUM COMPUTER

___________ ____ Chesham Bucks ___ ___ Telephone (____) ______ Telex 837788

GM370 MODEM BOARD

The Gemini GM870 Modem board is an 80-BUS board thus alleviating the need for extra serial ports. The board is compatible with any of the Gemini CPU boards and is designed around the AMD 7910. The modem provides low speed data communication based on CCITT standards.(300/300 & 1200/75 baud) The board has both auto-dial & auto answer capability. Software is provided with the modem on disk.

GM870 175.00

GM863 STATIC RAM BOARD

The Gemini GM863 80-BUS Static RAM boards are available in either 32k or 64k versions. An on-board rechargeable battery provides memory content retention during power-down periods. The GM&63 supports the Extended Addressing mode when used with the GM813 CPU board and may also be set to any one of four pages of the Gemini page mode system.

GM863-32 150.00

GM863-64 215.00

GM853 EPROM BOARD

The Gemini GM853 “Bytewide” Eprom board contains 8 sockets to accept many different types of memory devices, ranging from 64kbit (8k x 8) up to 512kbit (64k x 8). This includes the standard 2764, 27128, 27256 & 27512 devices. The GM853 supports the Extended Addressing mode when used with the GM813 CPU board and may also be set to any of the four pages of the Gemini page mode system.

GM853 95.00

All Prices are exclusive of VAT currently 15% Carriage & Packing 2.50 Personal Callers by appointment Only.


This is an OCR’d version of the scanned page and likely contains recognition errors.











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