Horror! ABI ICT24 Chip tester Faulty - and Probable Fix

[alan8086]

I should have left what's well enough alone...

I can't get to the A:> prompt now. The boot disk loads the IMS CP/M version stuff and just locks up:



I should have been happy with being able to format disks etc but no - I had to go further and find out why I can't movcpm without a load of garbage on the screen and the system locking up!

Once again, I've tested every IC on there. The few larger ICs like the cpu, 8255, 8253 - I've substituted with know good ones.

Maybe my BIOS is chip rotting?

 

[SteveH]

I should have left what's well enough alone...

I can't get to the A:> prompt now. The boot disk loads the IMS CP/M version stuff and just locks up:

Could your boot disk have become corrupt? Have you got another you could try, before assuming it's a hardware problem? Just a thought.

 

[alan8086]

Could your boot disk have become corrupt? Have you got another you could try, before assuming it's a hardware problem? Just a thought.

Naa, I've got the original boot disks and several copies. They worked fine until this point and now its the same no matter which disk I try.