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Name: Ian Jeffray
Type: User
Location: Livingston, Scotland
Blog: http://ian.jeffray.uk/
Name: Ian Jeffray
Type: User
Location: Livingston, Scotland
Blog: http://ian.jeffray.uk/
16MB RAM for A3000. Doesn't use motherboard RAM. Glue logic pinched from A540.
A simple A3000 4MB RAM board
8MB RAM for A3000. Doesn't use motherboard RAM. Glue logic pinched from A540.
A three-slot backplane for the Acorn A3000. Requires a two-wire mod to the A3000 motherboard.
A 4MB ROM carrier for Acorn A3000
A variation of my ARM3/FPA board, but using a PGA ARM3. The layout will only suit an A3000.
Acorn Archimedes A300 series 4-slot backplane
A 'combo' project - IDE interface and 8MB RAM for 'Adelaide' variant Acorn A3010s
Rework of Vectorlight's A3010 IDE adaptor
Acorn A3000 4MB RAM PCB, using a 72-pin SIMM
8MB RAM upgrade for A5000 - fully replaces all motherboard RAM. Uses RAM connector, not ROMs.
Simple 4MB RAM card for A540/R260
An ARM2 CPU card for A540 and R260. Should suit ARM3 cards plugged in to it!
Acorn A540 ARM3 + FPA processor card
A reverse-engineering of the 1102,300 ISS A Joystick interface board for Acorn A7000 and RiscPC.
Replacement audio hybrid - without output filter section
Altium to KiCad converter for PCB and schematics
ARM3 board for fitting in ARM2 socket on Acorn Archimedes series machines
ARM3 board with FPA support, for fitting in ARM2 socket on Acorn Archimedes series machines
Arculator
Re-creation including close to original layout of Atomwide Twin MEMC board for Acorn 32bit systems
An SMT Econet Terminator to fit inside a DIN plug
16MHz WDC 1772 floppy controller / clock switcher for HD floppy support
Simple adapter for a 44pin IDE device to a 40pin host. Layout suitable for a DOM on an Acorn A5000 or podule.
IDE 44male to DOM 44male adapter
An adapter for MEMC to FFC cable (without RAM control lines)
An adapter for MEMC plug to FFC cable (without RAM control lines)
Universal USB to quadrature mouse adapter
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China tencent open source team.