Re: Troubleshooting X/Lisa RAM boards - second draft

On 8/25/11 3:25 PM, James MacPhail wrote:
>
> The Lisa's power-on self-test attempts to provide information for repairing memory boards.
>

Can the system force bad parity?

I was thinking it should be possible to build a simple 2m board with static X8 RAM and a 74280 parity generator if the system never checked the parity bits independently.

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