blturner's latest activity

  • B
    blturner replied to the thread Corroded legs on IIsi CPU.
    Well, this board was previously working before I washed and re-capped it. Afterwards, the issue was that it would boot, but only without...
  • B
    Small update: I've been booting from a BlueSCSI V2 and I setup a new image with a minimal install of 7.1 to try out. There are no video...
  • B
    After failing to find any further broken traces, I decided to soak the board in IPA yesterday for about 8 hours. There was starting to...
    • PXL_20250818_161753279.RAW-01.COVER.jpg
    • PXL_20250818_162136283.RAW-01.COVER.jpg
    • PXL_20250818_162345065.RAW-01.COVER.jpg
    • PXL_20250818_170620907.RAW-01.COVER.jpg
  • B
    blturner replied to the thread Corroded legs on IIsi CPU.
    I am dealing with a IIsi exactly like this and have gone through the exact same steps! 😭
  • B
    Yeah, the cap goo on C7 made me extremely suspicious of all the 74ALS651's, especially after @Hugotronics comment. I swapped all of them...
  • B
    Some progress made. In a bout of frustration I started following some traces in other parts of the board I haven't scoured over yet...
    • PXL_20250814_070140262.MACRO_FOCUS.RAW-01.COVER.jpg
    • PXL_20250814_202359453.RAW-01.COVER.jpg
    • 223988f1-6a59-40af-b6dd-12e3e8363a7a (1).jpg
    • ed5147eb-c384-4fc1-bc20-4efdf6b18981 (1).jpg
  • B
    Congrats on your success @DevyDevly! I was working on my board last night, I ended up replacing every 74ALS651 with chips from a Mac II...
    • PXL_20250812_062401890.RAW-01.COVER_Original.jpeg
  • B
    blturner replied to the thread new to me PM G3/300 MT.
    Hello fellow Seattleite! Coincidentally, I have a Desktop G3 300 I was thinking about just today. I found it on CL, the previous owner...