Hmmm...new system (about 3 months). I guess it could be my RAM timing since currently I am remote desktop'd in, running ClrMame Pro, and Media player. The CPU does heat up under load...no doubt about that.

I'll check my RAM timing. Thanks Roman.

Matt

> > Any ideas? One day it works and the next it fails? I have not changed any
> > hardware/software on my pc other than mame.
>
> Random checksum errors normally appear when your system becomes unstable under
> cpuload. Bad ram, bad ram timing, overclocked systems, bad ide cables, buggy via
> chipsets, etc...
>
> ClrMamePro uses Aaron's routine from chdman core to verify the chds...so chdman
> and clrmamepro do the same things.
>
>
> Check cables, ramtiming, try to disable other tasks and try again.....
>
> That it worked with chdman can be caused by the less cpu activity. When using
> clrmamepro, the scanner has already heaten up your cpu...
>
> Roman Scherzer
> ClrMamePro
>