Acorn ACA53 PC Card

The Acorn ACA53 is a second generation PCcard also known as Gemini II (see bottom picture middle top). The IBM 486 Blue Lightning DX2 is clocked at 33MHz with the CPU core clockdoubled to 66MHz.. The 486 has 8MB of L1 cache and 128MB of L2 cache.

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 .

Date : 1995

Manufacturer : Acorn

Physical Description : Expansion card

This exhibit has a reference ID of CH49443. Please quote this reference ID in any communication with the Centre for Computing History.

Scan of Document: Acorn ACA53 PC Card

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