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Re: PAK issues
Posted: 09 Feb 2019 21:14
by PhilC
pakman wrote: 09 Feb 2019 21:11
Remove jumper J8 (all 3 pins open) and try to boot
Boots to Tos 1.02 but mouse and keyboard unresponsive
Re: PAK issues
Posted: 09 Feb 2019 21:28
by PhilC
boots now to 1.02 and keyboard works, was power related.
Re: PAK issues
Posted: 09 Feb 2019 21:45
by pakman
Now set J8 = 2-3 and J7 = 2-3.
Try to boot.
Re: PAK issues
Posted: 09 Feb 2019 21:49
by PhilC
screen set to 50hz, no desktop
edit
sorry, dodgy jumper, boots to tos 1.02
Re: PAK issues
Posted: 09 Feb 2019 22:15
by pakman
Set J7 = 1-2. Try to boot.
Re: PAK issues
Posted: 09 Feb 2019 22:16
by PhilC
boots to tos 1.02
Re: PAK issues
Posted: 09 Feb 2019 22:22
by pakman
Now set J5 = on. Try to boot.
Re: PAK issues
Posted: 09 Feb 2019 22:25
by PhilC
No boot. Do you think the Tos Roms on the Pak are incorrect?
Re: PAK issues
Posted: 09 Feb 2019 22:32
by pakman
Maybe. I will send new ROM files tomorrow.
Can you check the 32 MHz clock with an oscilloscope?
Re: PAK issues
Posted: 09 Feb 2019 22:35
by PhilC
pakman wrote: 09 Feb 2019 22:32
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