Pet Rescue
Experienced Member
Hi all can anyone help me get this old girl back up and running. I've had lots of problems, firstly the power supply packed in which turned out to be
diodes gone short. Then the Rodime hard drive went bang which was a found to be bad tantalum that blew it's top off and melted the ribbon cable slightly.
This I replaced and tested on another board and amazingly still works. The full height tandon floppy doesn't work but I'll get round to fixing that later.
What is really driving me mad is the 301 error, I have replaced the plug on the keyboard and even tried a clone keyboard with at/xt switch.
I have even destroyed a perfectly good 8255a Pia chip which was a nightmare to remove and socket hoping it was this that was causing the problem.
So new PIA and still no go, I am running out of ideas if anyone can offer somewhere else to look at!
diodes gone short. Then the Rodime hard drive went bang which was a found to be bad tantalum that blew it's top off and melted the ribbon cable slightly.
This I replaced and tested on another board and amazingly still works. The full height tandon floppy doesn't work but I'll get round to fixing that later.
What is really driving me mad is the 301 error, I have replaced the plug on the keyboard and even tried a clone keyboard with at/xt switch.
I have even destroyed a perfectly good 8255a Pia chip which was a nightmare to remove and socket hoping it was this that was causing the problem.
So new PIA and still no go, I am running out of ideas if anyone can offer somewhere else to look at!