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Just to confirm you have the correct flyback by resistance between pins. in Ohms Low side: Total ohms: pins 2 to 4: 0.30 = 4,3 + 3,1 +1,2 High side: Total ohms: pins 5 to 7: 3.50 = 5,8 + 8,7 Pin 6 is not connected. I found the older flyback has lower resistance, but the rule...

You are quite right, That's what it says in the Service source, i have not encountered an issue in real live though. Currently running my 8100/100 without a video card or terminator, that the link above shows my one going to flashing floppy as such.

The mac has sense pins on its monitor connections, it knows there is nothing there so will initialise nubus if monitors is connected there. HPV is not required.

Have you tried resetting after powerup? if the battery is flat or not present you just get black screen after bong, so the reset is necessary if the machine was off for a length of time. See here:

Did a little disassembly on the Apple 5.25" PC Drive and it turns out its a near standard Panasonic JU-455-5 360K floppy drive. Pinout attached. Drive is set at DS0. Booting SoftPC using a Gotek Floppy emulator connected to the PC Drive Card.

Yes, but only with PC formatted disks, not formatted with Dos Mounter. If I format the disk in a real PC or SoftPC I can copy files , but if I ms-dos format a disk with DOS Mounter it just hangs when I copy a file.

Here are a few shots one with a DOS formatted floppy mounted in finder with Dos Mounter Formatting a bootable 5.25" floppy from SoftPC Booting SoftPC from 5.25" Floppy

Great info. Thanks again for the Dos Mounter tip. I am not sure why it works on my IIci and not on yours.

At first I thought it was just an inductor, but it looks like a specific transformer, while googling the part.no I came across a similar part on an old Sony floppy drive with schematic, eventually I was able to find the 400K schematic with the same part, these drives were used in old Apricots...

I think you have them all apart from your exclusions from what I can remember. The only other one that pops to mind is the 512K version of the M0110A which is slightly darker.

Oh wow well done. If any machine is gona crack during shipping it's the CC. Looking forward to the video

Just wondering, if you turn it on without any scsi drives connected do you eventually get a flashing floppy question mark?

Also have a look at your ROM SIMM. sometimes it needs to be reseated or pressured to make contact properly. 100% SE/30s need to be recapped but sometimes no ROM can show this.