[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: RAM Errors



MechCD replied:

>I reseated everything on  the board and I get the same error. I checked the
>voltages and got pretty close to 5v and 12v. It should be noted that the
>other working board won't complete the test with this PSU, it keeps
>resetting. I also noticed that the LED near the game port on the bad board
>does not light up. I took the bad board out and I can't find any traces that
>are plainly broken or charred.
>
>What would cause all the RAM chips to go out? I'd rather swap out one chip
>than try and guess with the RAM.
>
>Whatever is wrong with it, I need a power supply. I'm going to rig up a
>regular PC PSU for testing when I get the chance.

If your "good" board won't work with this power supply, then it's
probably bad.

Try your PC power supply experiment and let us know how it
goes.

The LED near the game port only lights when you "beep" the
speaker and no speaker is installed.  The light on the power supply
side is on whenever +5v is on.

-michael

Check out parallel computing for 8-bit Apples on my
Home page:  http://members.aol.com/MJMahon/