A500 Accelerators

ID #3094

ACT Elektronik Vertriebs GmbH: Apollo 520

Connection: Side Expansion Slot

apollo520_1.jpg

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apollo520_small.jpg

Hi Res Version of PCB - 162K

Processor: 020@25Mhz (20Mhz processor clocked at 25Mhz)
FPU: 68881@25Mhz or 68882@25Mhz (PGA)
MMU: None
Max Ram: 4MB
Ram Type: ZIP Chips.

This card is designed to be attached to the internal expansion slot of the Apollo 500 IDE hard disk controller. The card can take up to 4MB of RAM but the picture shows the card fitted with 1MB of RAM in the form of Siemens 256K 70ns ZIP chips. The card has an "ON/OFF" switch however this can only be accessed internally, ie you can't disable the card when the case of the hard disk controller is on.

Contributions to this page by:
Arild Kvam, Stefan Nilsson, Thomas Langkau

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Last update: 2009-01-25 12:55
Revision: 1.0

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