A4000 internal FDD does not work when external FDD is connected
@tbtorro When an A4000D Rev B have an external drive connected the internal drive stops working. Tries to boot on startup, but gives up after 3 times trying to read…
A4000 Rev B stuck at early boot (grey screen)
Newly built A4000 motherboard. Tested all resets, supply voltages, and there was video out. DiagROMs would also not initialize, indicating very early fault during boot (during reset routine). _OVL signal…
HDD Led always bright using some SD/CF Adapters
Some SD/CF Adapters makes the HDD led always bright and you can see a flight flicker when the disk is loading. This can easy be fixed by replacing the PNP…
Amiga 1200 video DAC information
Some information about the video DACs If the Amiga rev 1 board uses ( or will be ): ADV101 D215, C215, R215 must be placed on the board.…
Amiga – What are those board jump wires ?
Amiga 1200 CCK clock signal - Alice to Budgie The technical reason is that the CCK clock signal coming out of Alice is not clean enough to drive the input…