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Acorn ACA56 Risc PC x86 Card box
Acorn ACA56 Risc PC x86 Card box open
The Acorn ACA56 box opened to show the Risc PC x86 User Guide on the left, on the right top is the Acorn Risc PC x86 Software disc and below it the Acorn ACA56 Risc PC x86 card in its anti-static bag.
Acorn ACA56 Risc PC x86 card (front)
Acorn ACA56 Risc PC x86 card (back}
Acorn ACA56 Risc PC x86 card upgraded (front)
This card has been upgraded with a Cyrix 5x86-100 which is pin compatable with a 486 and designed to upgrade 486 computers.
Acorn ACA56 Risc PC x86 card upgraded (back)
The Acorn ACA56 is a second generation Risc PC PCcard, also known as Gemini II. The Texas Instruments 486 DX4 is clocked at 100MHz.The ACA56 has its 486 mounted in a socket which allows it to be upgraded with a compatible CPU, the second card illustrates this and has been upgraded by the owner with a Cyrix 5x86-100.
Here is the Acorn promotional brochure APP919 Acorn Risc PC gets even better .
Here is the Acorn Risc PC x86 Card User Guide.
For further details about RiscPC PCcards see Acorn Cybervillage X86 cards
Here is the original Acorn PC x86 Card software disc. However is is better to use the more recent Aleph1 PCPro software.
Here is the Aleph1 PCPro v3.06 software to configure and run this PCcard. Aleph1 have released PC & PCPro software under the GPL, further details are available from RISCOS.info .