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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: klx300r on March 17, 2020, 04:40:59 AM

Title: Amiga Test Kit v1.6 says my A1200MB rev 2B has timing issues
Post by: klx300r on March 17, 2020, 04:40:59 AM

system is stable though some times after many hours of use system hangs but after a full reboot works ok..wondering if its ram related or MB needs timing fixes...so far checked 2 ram cards and both gave same results below though one ram card had errors:

'CIAA TOD expect 16 ticks: 10149055: FAIL''CIAA TOD IRQ Failure'

Title: Re: Amiga Test Kit v1.6 says my A1200MB rev 2B has timing issues
Post by: kolla on March 17, 2020, 07:05:08 AM

Quote from: F1Lupo on March 17, 2020, 04:40:59 AM

system is stable though some times after many hours of use system hangs but after a full reboot works ok..wondering if its ram related or MB needs timing fixes...so far checked 2 ram cards and both gave same results below though one ram card had errors:

'CIAA TOD expect 16 ticks: 10149055: FAIL''CIAA TOD IRQ Failure'

Chances are that your A1200 motherboard has a faulty CIA chip... more specifically, the CIA-A chip, U7.

"What the hell am I gonna do, now that my 8520s are blown..."

Title: Re: Amiga Test Kit v1.6 says my A1200MB rev 2B has timing issues
Post by: klx300r on March 17, 2020, 06:04:43 PM

Quote

Chances are that your A1200 motherboard has a faulty CIA chip... more specifically, the CIA-A chip, U7.

"What the hell am I gonna do, now that my 8520s are blown..."

so how to confirm if system working ok other than as noted above...

Title: Re: Amiga Test Kit v1.6 says my A1200MB rev 2B has timing issues
Post by: kolla on March 18, 2020, 01:15:29 PM

Quote from: F1Lupo on March 17, 2020, 06:04:43 PM

Quote

Chances are that your A1200 motherboard has a faulty CIA chip... more specifically, the CIA-A chip, U7.

"What the hell am I gonna do, now that my 8520s are blown..."

so how to confirm if system working ok other than as noted above...

It's not so easy to confirm other than doing more in-depth hardware analysis.

There are a few tools for this (they often rely on serial port connection for output though)

http://aminet.net/package/docs/hard/PortDiag

For testing memory...
http://aminet.net/package/util/moni/MemDiag

And the most useful is of course DiagROM which replaces the kickstart to get full control - http://www.diagrom.com