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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: kickstart on November 11, 2010, 03:08:10 AM

Title: some a1200 fixes
Post by: kickstart on November 11, 2010, 03:08:10 AM

Reading some pages about a1200 fixes i see a timing fix for 1d4 and 2b revs, What kind of bug is it?

Title: Re: some a1200 fixes
Post by: alexh on November 11, 2010, 09:16:39 AM

http://www.ianstedman.co.uk/Amiga/amiga_hacks/A1200_Mobo_fix/a1200_mobo_fix.html

Title: Re: some a1200 fixes
Post by: delshay on November 12, 2010, 08:45:22 AM

when replacing the resistor get the same type (different value of course) by desoldering the correct value from another PCB.

there's another unknown bug,but don't have the time at the moment to identifty it as it affects Blizzard PPC cards at very high speed.

i have a modifyed A1200 motherboard which will help me find this bug along with Blizzard PPC card with a fixed Frequency speed to help find what the problem is.