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Zorro 3 RAM autoconfig not disabled #23

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LordZodiac76 opened this issue Mar 8, 2024 · 1 comment
Open

Zorro 3 RAM autoconfig not disabled #23

LordZodiac76 opened this issue Mar 8, 2024 · 1 comment
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bug Something isn't working

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@LordZodiac76
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Hi Jason,

i have build this nice board but it does not work on Kickstart 1.3. At the moment i have no RAM installed on the board. The processor selector screen is show on right mouse click but kickstart stays on white or grey screen.
In the AUTOCONFIG.vhd the Zorro 2 ram jumper is checked for D_ZORRO2RAM with "nZ2DIS = '1' AND ram2configed = '0'" but Zorro 3 has not this check "nZ3DIS = '1' AND ram3configed = '0'" ? This extra check is also missing on the x"48" address step.

I have no other kickstart versions to check this.

cheers Marco
@jasonsbeer
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Confirmed issue with Kickstart 1.3.

I was able to boot my machine by placing a jumper at J404, setting the Zorro 2 RAM to 4 megabytes. Placing a jumper at J403 also resulted in a good boot, but without any FAST RAM. I will need to dig deeper.

@jasonsbeer jasonsbeer added the bug Something isn't working label Mar 9, 2024
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@jasonsbeer @LordZodiac76