Help diagnosing boot issue SWTPC 6800
mail.nickallen at gmail.com
Mon Jan 1 18:12:07 CST 2018
I spoke too soon, I think simply cleaning the contacts rattled a short
and dumb luck made it boot the first time. By pressing the fatherboard
I can see characters corrupt when running a program, guess I need to do
some more digging to find out exactly where and why this is happening.
On 1/1/2018 5:34 PM, Nick Allen wrote:
> cleaning the connector pins with a brass brush solved the issue,
> thanks everyone!!
> On 1/1/2018 5:03 PM, Nick Allen wrote:
>> Thanks for the tips everyone! I can confirm power is GOOD, and the
>> problem persists even without the RAM installed (Just CPU and MP-C or
>> MP-S board). I am going to clean the buss connectors and see if it
>> On 1/1/2018 12:32 PM, Nick Allen wrote:
>>> Hey everyone, Happy New Years! I am thankful for an active
>>> community that enjoys helping each other learn, and today I am
>>> coming with an ask for help.
>>> I have a SWTPC 6800 and ADM3A terminal, I can get it to boot, and
>>> when it boots it will continue to boot for several hours. But
>>> getting it to successfully boot takes upwards of 100 power OFF and
>>> ON cycles. The other 99 times, I get a continuous stream of random
>>> ASCII characters (see video link below). It's my first time seeing
>>> this type of issue that happens intermittently, and wondering if
>>> anyone has any insights in what might be causing this. I suspect
>>> its a faulty IC on the Processor board that resets or controls the
>>> OS reset, will need to deep dive and diagnose, but thought I would
>>> ask for some direction first.
>>> Thanks in advance!
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