a1200 Freaks

problemas con la PCMCIA

Posted in hardware by neuroflip on marzo 29, 2006

Q. What causes the conflicts between PCMCIA cards and A1200 RAM boards?

A. The 68ec020 used in the A1200 can only address 8 Megs of FAST RAM. The PCMCIA slot uses 4 Megs of this address range whether you’re using a PCMCIA RAM card or not. This means that only 4 Megs of addressing space is available for a trapdoor RAM boards. Newer accelerators will solve this problem as 68030 has its own larger address range. Some older accelerators use 4 Meg of the 68ec020’s addressing range so the same problems will occur.

Fuente: Amiga Hardware FAQ.

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