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  1. Kai Robinson

    I have literally *lost* the flyback transformer i received in the post. I had it, in a bag, and...

    I have literally *lost* the flyback transformer i received in the post. I had it, in a bag, and then i've put it down somewhere and it's been tidied away somewhere - goddammit >_<
  2. Kai Robinson

    A connundrum: Super clean original Macintosh II... keep it stock or swap in MEGA IIfx upgrade

    Just my tuppence here, honestly, in this case, the II is worth restoring on it's own. IIfx cases are more abundant than working IIfx's, due to the double maxell bombs they frequently contain - I have two IIfx cases, one of which is being given away to @mg.man simply because it's huge, bulky and...
  3. Kai Robinson

    This is what a bad Macintosh SE/30 Video ROM looks like

    @Mac84 I'm pretty sure the Video ROM is a standard 27C64 - however, rather than bother with sourcing old stocks of UV EPROMs, get yourself an AT28C64 from Mouser for a few bucks and program it in the TL866 :)...
  4. Kai Robinson

    Converting from CRT to LCD and updating video output in Compact Macs

    Yeah i'd use a sheet of acetate or something to mount it - no need to 3D Print - just drill the holes - quicker, cheaper, easier. I never mounted mine in the case, it's role was as an external test bed PSU - but it worked just fine. With an LCD no analogue board is ever needed, just tear it...
  5. Kai Robinson

    In need of help for a Tandy 1000 keyboard

    Hmm - we have a few people in the 3D printing section that may be able to help with the modelling, but the reference keyboard might be the difficult bit. You can get something like Polycam, though - do a 3D scan of the original object and then that might work as a reference? :)
  6. Kai Robinson

    Converting from CRT to LCD and updating video output in Compact Macs

    Well, i can power the SE and SE/30 logic boards just fine off a Meanwell RT-65B Power Supply, without even using the Analogue board. If you were using an LCD screen, that PSU would provide more than enough power to run the screen, too. The logic board doesn't care about the analogue board...
  7. Kai Robinson

    SUN - Field Engineer Handbook - Volume 2

    If you need to poke around inside a SUN SPARCStation - you'll find these valuable.
  8. Kai Robinson

    SUN - Field Engineer Handbook - Volume 1

    If you need to poke around inside a SUN SPARCStation - you'll find these valuable.
  9. Kai Robinson

    Reverse Engineer the Spectre GCR?

    Well, i've never seen the hardware in real life - but looking at this image, the layout looks simple - the question is, what's on the PAL (there's at least 1 there) and what are the other chips?
  10. Kai Robinson

    Mu0n's Color Classic thread

    Ooof. They look properly crispy - i recommend replacing those just as a matter of course.
  11. Kai Robinson

    Logic Board - Macintosh SE Reloaded

    It won't be until i run out of the blue/gold ones :p
  12. Kai Robinson

    Brainstorm Clone?

    I nominate @Bolle :p
  13. Kai Robinson

    Logic Board - Macintosh SE Reloaded

    As mentioned @JDW i'll be selling them direct in the UK, in matte black, with ENIG gold, but i can't afford to do a run right now - i do have 38 of the blue/gold ones in stock, for anyone in the UK that wants one (may do EU shipping depending on customs).
  14. Kai Robinson

    WarpSE: 25 MHz 68HC000-based accelerator for Mac SE

    Not sure why the Xilinx is dead - there are plenty on Mouser, and they're not listed as NRND (ie, when the manufacturer is taking final orders)...
  15. Kai Robinson

    Just ordered a Quadra 950, any known caveats or advice?

    Don't suppose that floppy bezel is still available is it? I have a Q950 and i'm lacking that, the PSU bracket and floppy drive.
  16. Kai Robinson

    Identifying and confirming fake 68040 CPUs (especially the L88M mask)

    Another good source of genuine pull 040's: https://www.ebay.com/itm/363493164879 Had good luck with them. K63H mask, too.
  17. Kai Robinson

    Logic Board - Macintosh Classic Reloaded

    Sure, i'll attach them here :)
  18. Kai Robinson

    My MacSD Upgrade for the Colour Classic [and Stereo Mod]

    That lookup table is just what i was searching for! :)
  19. Kai Robinson

    Sleepy HD

    Usually Apple HD SC Setup would do the initialise of your drive, loaded from the utility disk. However, if your drive is dead - 2.5" SCSI drives in working order are hard to find might it be time for one of these: https://androda.work/product/powerbook-bluescsi-version-4-f1-tba-pb-v4/ perhaps? :)
  20. Kai Robinson

    800k floppy works, but not very well

    Hi Jeff - it might be that this can fix your issues: https://tinkerdifferent.com/resources/zero-track-alignment.37/