User Crumb@a1k.org publikoval evoluci Meutoxova hacku pro 64MB RAM na Amiga 4000D zakladni desce.
Novy hack umoznuje pouzit jeden 128MB nebo 2x64MB SIMMy, ze kterych je pak pouzitelne 112MB.
A4K 64-112 Memory hack.zip
Sorry for writing in english but my german is poor
Here's the improved Meutoxo's 64MB hack that allows you to fit 112MB on your A4000 Motherboard (also A4000T although it was only tested on mine)
The Ram is fully autoconfig. There are two different versions of the GAL code for the hack:
-the updated 64MB one that allows you to fit a single 64MB 5V simm and allows speedramsey
-the new 112MB hack that allows you to fit a 128MB simm (or two 64MB ones)
ATM the hack can't be disabled so you will need memory fitted to boot.
A4000T version is trickier to do as it requires a small PCB to fit the GAL and pullups on top of Ramsey. I tested it on my A4000T and it worked fine but couldn't test it much since my machine died due to other reasons (shortcircuit).
Questions? Feel free to ask me but don't bug Meutoxo as he's too busy.
Novy hack umoznuje pouzit jeden 128MB nebo 2x64MB SIMMy, ze kterych je pak pouzitelne 112MB.
A4K 64-112 Memory hack.zip
Sorry for writing in english but my german is poor
Here's the improved Meutoxo's 64MB hack that allows you to fit 112MB on your A4000 Motherboard (also A4000T although it was only tested on mine)
The Ram is fully autoconfig. There are two different versions of the GAL code for the hack:
-the updated 64MB one that allows you to fit a single 64MB 5V simm and allows speedramsey
-the new 112MB hack that allows you to fit a 128MB simm (or two 64MB ones)
ATM the hack can't be disabled so you will need memory fitted to boot.
A4000T version is trickier to do as it requires a small PCB to fit the GAL and pullups on top of Ramsey. I tested it on my A4000T and it worked fine but couldn't test it much since my machine died due to other reasons (shortcircuit).
Questions? Feel free to ask me but don't bug Meutoxo as he's too busy.
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