Re: RAM Errors

["Robert J. Stevens" <atreborz@execpc.com>]

MechCD wrote:

> I finally decided to try out my "new" Apple IIe I pulled from the school's
> dumpster in June. It's in physically better shape than my other non working
> Apple IIe.
>
> I fired it up, and it beeps, shows the Apple ][ title, and attempts to boot
> from the duodrive. I tried a few disks and it started barfing errors at me.
> I tried the built-in test and it shows:

How does one run the Built in test
TIA

> RAM: F13 F2 F11 F10 F9 F8 F7 F6
>
> It doesn't show colors or patterns except for a small broken vertical line
> before giving that message. I recall my other IIe's showing color blocks and
> patterns before saying System OK.
>
> I'm guesing I have quite a few bad RAM chips. Since its a series of chips,
> could it be possible that another chip somewhere is causing this? I have an
> entire working IIe board to steal chips from, but I'd rather not replace all
> the ram chips if something else is the cause.
>
> If it weren't for the physical condition, I would simply move the power
> supply from this dead ram one to the other working one that has no PSU.