PAK issues

Problems with your machine in general.
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PhilC
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Re: PAK issues

Post by PhilC »

pakman wrote: Sat Feb 09, 2019 9:11 pm Remove jumper J8 (all 3 pins open) and try to boot
Boots to Tos 1.02 but mouse and keyboard unresponsive
If it ain't broke, test it to Destruction.
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PhilC
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Re: PAK issues

Post by PhilC »

boots now to 1.02 and keyboard works, was power related.
If it ain't broke, test it to Destruction.
pakman
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Re: PAK issues

Post by pakman »

Now set J8 = 2-3 and J7 = 2-3.
Try to boot.
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PhilC
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Re: PAK issues

Post by PhilC »

screen set to 50hz, no desktop

edit
sorry, dodgy jumper, boots to tos 1.02
If it ain't broke, test it to Destruction.
pakman
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Re: PAK issues

Post by pakman »

Set J7 = 1-2. Try to boot.
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PhilC
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Re: PAK issues

Post by PhilC »

boots to tos 1.02
If it ain't broke, test it to Destruction.
pakman
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Re: PAK issues

Post by pakman »

Now set J5 = on. Try to boot.
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PhilC
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Re: PAK issues

Post by PhilC »

No boot. Do you think the Tos Roms on the Pak are incorrect?
If it ain't broke, test it to Destruction.
pakman
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Re: PAK issues

Post by pakman »

Maybe. I will send new ROM files tomorrow.
Can you check the 32 MHz clock with an oscilloscope?
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PhilC
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Re: PAK issues

Post by PhilC »

pakman wrote: Sat Feb 09, 2019 10:32 pm Maybe. I will send new ROM files tomorrow.
Can you check the 32 MHz clock with an oscilloscope?
32mhz looks good on my scope. checked it on pin 1 or J9
If it ain't broke, test it to Destruction.
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