ID #4031

Commodore: 1Mb RAM Expansion

Connection: CPU Fast Slot (A2000)

Rev 3 card with 512k fitted
Rev 3 card with 512k fitted

Rev 3 card with 1MB fitted
Rev 3 card with 1MB fitted

Hi Res Version, Rev 3 card with 512k fitted - 1615K

Max Ram: 1MB
Ram Type: Soldered and Socketed DRAM Chips
FPU: None
RTC: None
Connection: A2000 CPU Fast Slot (aka MMU slot on Model-As)

A RAM expansion originally designed for the Rev 4.0 German "Model-A" A2000s. It was designed to be connected to the "MMU slot", which became known as the CPU Fast slot the US designed A2000s. This card may not be compatible with Model B & C A2000s.

Jumpers

The description refers to the jumpers labelled left to right, with the pins labels as followed:

 2 4 6 8 10
| | | | |
1 3 5 7 9

For 0.5 MB of RAM, the following pins should be connected:
3 & 4
5 & 6
7 & 8

For 1MB of RAM:
3 & 4
9 & 10

For Kickstart RAM:
1 & 2
5 & 6
7 & 8

For Kickstart RAM and 0.5MB RAM:
1 & 2
9 & 10

Contributions to this page by:
Calum Tsang, Iggy Drougge, Mario Misic, Pascal Lefrancois, RiWa & Friends

Letzte Änderung des Artikels: 2009-01-26 22:53
Revision: 1.0

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