MIXTEL/ nascom.info home page/ Nascom Index

This is an attempt to list all "official" hardware related to the Nascom computers. If anyone has anything to add, please let me know!

NASCOM-1
The original computer that started it all
 
3A Power supply
+/- 5V and +/-12v
 
IMP Printer
Slightly non-standard dot-matrix printer
 
NASCOM-2
The second version - much enhanced
 
12-slot Motherboard
77-way edge connectors (Not required for the Nascom 3, which had its own internal motherboard within the case).
 
Buffer board
Required to connect NASCOM-1 (only) to the Nas-bus as the processor signals were unbuffered.
 
RAM board
Available in 0,4k,8k,16k,32k. Also had 4x 2708 EPROM sockets. Also known as the RAM (A) board
 
RAM (B) board
Available in 0,16k,32k,48k. No EPROM sockets. Paging facility.
 
I/O board
Various combinations of ICs up to 3xPIO 1xUART 1xCTC.
 
NASCOM-3
The first Lucas Logic version - basically a NASCOM-2 in a case with a small expansion bus. Optional disk drives.
 
AVC Graphics card
A larger than average colour graphics card.
 
FDC
The Floppy Disk controller Card
 
Nas-Net
Serial port networking system for 1 master machine & up to 32 slaves.
 
Nascom Test Board
For testing nascom systems, presumably...