a4k ram questions

ramborolf

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Hi.. probably been discussed before, but..

As stated on http://amiga.resource.cx/mod/a4000.html , i should be able to put 2x8mb modules on the a4k mb getting 16mb?

Now i have 1x2mb FP 60ns (double sided) for ChipRam and 1x8mb EDO 60ns which shows up as 4mb as expected..

My first question is; Do the 8mb modules HAVE to be the same size (i want to use 1x8 and 1x16 together) and what is the orientation other than "every second socket"? (my guess is the first and third socket..)

Second; can i mix FP and EDO modules used as fastram?

- Axl
 

Fieldday

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Nov 29, 2009
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Hi,
it´s possible to get 16 MB with 2x 8MB RAMs. But I don´t know excactly which socket order. Maybe you should try. You can mix RAM modules. I guess, the amiga 4000 work only with 70ns, so if you have some 60ns they are compatible with 70ns modules.

Best Regards

FD
 

ramborolf

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When using Speedramsey (setting ram speed to 60ns) i get a performance boost in fastram.. So i guess it worksfine with 60ns modules as 60ns..

in the link i provided it says that either 80ns or 60ns is used on the 4k...
 
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