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  1. Trash80toHP_Mini

    Reverse Engineering the Macintosh IIsi Logic Board

    Has anyone taken a shot at a IIsi ReMix as yet? One of those mangled into SE/30 form factor would rock.
  2. Trash80toHP_Mini

    SMT HDMI Connector removal, de-soldering advice?

    HDMI0 connector has gotta go, need it for internal display use for starters. Power plug lines up perfectly in the chassis, but the HDMI connector impinges a bit on the I/O board's location on the right side of the chassis. Target/victim is a Duo 280c, removal of the connector makes the backplane...
  3. Trash80toHP_Mini

    PowerPump"ACCELERATOR" from NewerTech: is it worth cloning?

    Yep, I guess you're right. I'll post it off to anyone who can test it and wants to do the documentation. After that I'll pass it along to someone who wants to do a trade for something interesting or buy me a new toy. 🤔 edit: PM if interested, I'm not one for flat out sales from my hoard of toys...
  4. Trash80toHP_Mini

    Rocket in SE/30 games . . .

    . . . begin as it looks like our resident Rocket wizard @max1zzz has already made most of the mods for hacking the Rocket down to a 7" length assembly that will fit nicely into the (rearward extended) 3.5" HDD cubic of the SE/30! I posted this . . . . . . and he then posted his...
  5. Trash80toHP_Mini

    Listing of ReMix Logic Board Projects?

    Was wondering about the 840AV, which got me to wondering . . . If anyone has links to the development threads for Macs that have been reverse engineered or are in the process at present, this'd be the place to put 'em!
  6. Trash80toHP_Mini

    PowerPump"ACCELERATOR" from NewerTech: is it worth cloning?

    Sweet, mo betta! :D Three GALS and an SRAM pair is a very good hand! That'd be a great place to hang the heatsink/fan in this kit off the CPU from my CAPitulated 840AV. I bought this contraption for all the interesting parts with no plans to get a 601 card at all. Though I should probably think...
  7. Trash80toHP_Mini

    PowerPump"ACCELERATOR" from NewerTech: is it worth cloning?

    Interesting, haven't heard of that unit, linkage? I don't clone anything myself, I just find something interesting, note possibilities, make a hamfisted attempt at mapping traces in AI and then hand my Performer off to @Bolle. Man's gotta know his limitations. /Charles Bronson
  8. Trash80toHP_Mini

    PowerPump"ACCELERATOR" from NewerTech: is it worth cloning?

    @jeremywork Thanks for those pics of the stetup in action and dissection! The small B&W pics and diagrams in the manual don't come close to what you've done. The overall view is most fascinating in both cases. Not worth cloning the whole thing, thanks for making that clear gang. But that...
  9. Trash80toHP_Mini

    180MHz 603ev CPU upgrade for 5300ce?

    Dang! That'd be impact from the sling on a trebuchet. 🤕 I thought it was the same from the info I've found so far. Third gen is definitely low voltage. Have you got linkage to the 603ev datasheet? I've yet to find it. Good point about the Cache, my runnig1400s are all G3 equipped, so...
  10. Trash80toHP_Mini

    68030 accelerator for the Macintosh Portable, redux.

    Good news/bad news situation. @Bolle has read the GALs off my Performer and cloned it. Timings don't work out for running it at 32MHz from the Portable's clock though. But 68030 is hella better than 68000 on a 16MHz clock, especially in terms of software compatibility. Dunno about extended OS...
  11. Trash80toHP_Mini

    68030 accelerator for the Macintosh Portable, redux.

    Nope, but thanks for dusting the project off. Maybe a few new eyes will come up with something good?
  12. Trash80toHP_Mini

    Macintosh IIcx/IIci 3D printed case

    Nice, but officially overloaded with info input, crazy notions and mania balancing efforts. 🤪 Got linkage to something that'll run a Rocket, if not an entire PDS stack?
  13. Trash80toHP_Mini

    Macintosh IIcx/IIci 3D printed case

    Duly noted. Was hoping to avoid requirement of beefing up the SE/30 PSU to handle a RocketStacked PDS. Still a good thing to provide for tapping power from a higher output PSU to a connector on the PDS Riser with cutoff, no? Power's a beyotch on that thing. Sorry for the tangent. Time to slow...
  14. Trash80toHP_Mini

    Macintosh IIcx/IIci 3D printed case

    Suddenly back on my silly PicoPSU suggestion again. Not for powering the entire system in this case, that's a no go. But powering just the rocket and whatever else might be cobbled together on an SE/30 PDS pileup might be a different story, no?
  15. Trash80toHP_Mini

    180MHz 603ev CPU upgrade for 5300ce?

    With a little digging, I found this little sucker! It's a UMax C500 CPU 603ev 180MHz Module that I lucked into some quite some time ago. Started looking at grafting it into my 2300c some thirteen years ago, but the bus multipliers I was looking at didn't seem to give it much in the way of legs...
  16. Trash80toHP_Mini

    PowerBook Duo 2300c issues

    I'd tear it down and reseat the cables, all the while inspecting for cap leakage especially the little ones surrounding the panel. By the way that's a 270c with a PPC upgrade AKA the vaunted Duo 2300c/TB. Trackpads really sucked back then, still do as compared to even a cheap mouse when it...
  17. Trash80toHP_Mini

    PowerPump"ACCELERATOR" from NewerTech: is it worth cloning?

    Dunno, that's exactly what I was asking. Seems pretty cool if you have one though! Looked like a bunch of cool bits so I bought one. Almost bought another one just for the parts included. Kitting out a brand new camera for just this sort of thing! Off for three days, we'll see what I can come...
  18. Trash80toHP_Mini

    PowerPump"ACCELERATOR" from NewerTech: is it worth cloning?

    Dunno how many Apple 601 cards are out there or how many are in these three machines. But this looks pretty handy for pushing the limits on both sides of the dual processor setup. If there aren't enough of the PowerPump out there to go around, might make for an interesting project? Other than...
  19. Trash80toHP_Mini

    Hootswitch, a (work-in-progress) Apple Desktop Bus switch

    @saybur thanks for the invite to your fabulous project! Eyes crossed a bit while skimming the thread over wakeup cuppa joe. The absolute positioning talk much confused me. Does it really matter where the cursor is located? Looking at this from the perspective of a rotary switched KVM setup...
  20. Trash80toHP_Mini

    Twin PCI Riser Project for TAM, 6360, 5x00 Single Slot PowerMacs.

    I think the best way to go is to do a straight up TriSlot for the topbar modded 6360. If that proves out, patched or not, the prototype run will likely suffice for the needs of lunatics like myself. 🤪 Then move on to the SetBack/Twinslot for 6360/5x00 machines we desire and possibly rearrange...
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