This website is an archived copy of "Chris's Acorns", now hosted by The Centre for Computing History as part of The Chris Whytehead collection.
To view the page in it's original forms without this header, append "?cfch-archive=orig" to the URL.

  CJE Micro's AMD 586 133MHz PCcard

[Index by function]      [Index by Company ] 

 CJE AMD586 PCcard front

 CJE Micro's AMD 586 133MHz PCcard (front)

CJE AMD586 PCcard back 

CJE Micro's AMD 586 133MHz PCcard (back) 

Although the label on this PCCard in the first picture says it is an ACA53 (with an IBM 486DX2 66MHz CPU), it has been upgraded by CJE Micro's to use an AMD 586 133MHz. The AMD CPU is mounted on a little daughterboard complete with cooling fan. The PC card is an Acorn Gemini II card part no 1111,000 Issue 2 and also has 512K Level 2 cache in 4 x CY7C109 (128k x 8bit) SRAMs, 2 at the front and 2 on the back. CJE Micro's upgraded many Gemini II PC cards to this configuration.

CJE Micro's CJE59 AMD586 PCcard front

 CJE Micro's CJE59 AMD 586 133MHz PCcard (front)

CJE Micro's CJE59 AMD586 PCcard back

  CJE Micro's CJE59 AMD 586 133MHz PCcard (back)

The CJE59 PCcard is a PCcard which CJE Micro's has upgraded to an AMD586 133MHz CPU with a large copper coloured heat sink. The card is based on an Acorn Gemini II card part no 1111,050 Issue 1 and has 512K of Level 2 cache in 4 x CY7C109 (128K x 8bit) SRAMs, 2 on the front and 2 on the back of the card.

For further details about RiscPC PCcards see Acorn Cybervillage X86 cards 

Here is the Aleph1 PCPro r3.06  software to configure and run this PCcards. Aleph1 have made the PC and PCPro software open source under the GPL, for further details see RISCOS.info .