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There's an error with the 2.0 ROMs I posted earlier... turns out these use 27C080's instead of 27C040's. Now the 4M selection on the logic board makes more sense :)

And to the OP's first question, here are the ROMs from a LaserWriter (not Plus). Hope that helps! -J

Here's the firmware from a LaserWriter IIsc board, "Personal Laser" Version 1.0 ** (c) Apple Computer, 1987 ** ** Hardware: Mike Flora ** ** Firmware: Tad Browne **

Attached are the ROMs from a LaserWriter IIG, v1.0 and 2.0. The 1.0 ROMs are window'd EPROMs, the 2.0 are mask roms. There's a jumper on the board to select "2 MB" or "4 MB", the 1.0 roms are set for 2mb, 2.0 is set for 4mb. -J

I'd also like to be on the waiting list for this! -J

If they're 12, they're likely Lisa CRTs. Hold a bright flashlight up to the screen. Is there a green after-glow?  -J

I have a G3 Walstreet II / PDQ 300, and want to upgrade the hard disk. I picked up a Ableconn IIDE-MSAT mSATA to 2.5-Inch IDE Adapter and Zheino 128GB M3m SATA SSD. The jumper configuration is the same as the Seagate 160g spinny drive I removed (the original 6gb drive was dead when I got the...

The documentation for XENIX and Unisoft UniPlus UNIX mention these drives too. It makes me wonder if you can hook them up to the parallel port...

Has the formatting software / commands for these drives been lost to time?

You don't even have to disconnect the Lite adapter, the floppy drive simply won't work. The Lite adapter does 2 things: a pin converter to hook up the sony, and a PWM converter for the disk speed signal which is different between the twiggy and sony disks. -J

My 2/10 has always had video artifacts... tearing between the scan lines. It changes as the horz phase is adjusted. I end up having to run the phase almost all the way to the left, and use the centering magnets to get the picture back in the middle of the CRT. The tearing changes depending on...

Could you re-host these files? Looks like the links have gone dead with the DropBox sharing changes.  -J