Super-mum
Hardware: undetermined · 1 players
RD Laboratories
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In the magazines 1
Sinclair User #1Apr 1982 · p.13
MUM'S THE WORD FOR FACILITIES This system, usable on the ZX-80 or ZX-81, consists of a motherboard into which cassette case-type modules plug, giving extra facilities. The motherboard consists of a connector to plug into the ZX machine and vertical printed circuit boards on to which the modules fit. The printed circuit expansion port at the back connects to the 16K RAM pack. There are two sizes of motherboard, the Micro-mum which will take two boards and the Super-mum which will take eight boards. The unit is supplied from the ZX machine +9V line via its +5V regulator. All the devices from light pen to analogue and digital inputs are available through PEEKing and POKEing location 15360 to 16383. The Mini-mum costs £15.80, the Super-mum £40.80. The modules cost between £23.30 and £33.30. RD Laboratories is at [redacted]. All prices in this review are rounded-up to include VAT at 15 percent and p+p.
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