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Yep, precisely. From what I've seen all the 4•8 cards are marked Macintosh Display Card 630-0400- and all the cards marked Macintosh Display Card 670- are 8•24 cards. There are also some (presumably 8•24 cards) marked 630-0400- but which have no SIMM slots and have all eight chips present...

Looking more closely at these it seems they're manufactured by Groupe SAGEM/SAT, as their EasyTransfer Light software is included and the logo matches the one in the silkscreens. For completeness here are condensed photospreads, scanned documentation PDFs, imaged diskettes, and the ROM...

Another IIvx board, fwiw. This one seems to use 15ns for the TAGRAM and 25ns for the SRAM.

To make your cables fit together ;) I've used a *Parallel SCSI zip drive for not having had one of these handy in an instance or two. Edit: I remembered the SCSI version is F-F, long time ago now. This wasn’t recommended really and probably has caveats, but it was free ewaste at the time

If you're in OS X, the interface also needs to be added in the Network preference pane before the system can access it (slightly different process depending on the osx version, but the interface is usually identifiable as some sort of wireless adapter or secondary ethernet interface in the...

I remember this exact issue when from when I first got one. The best resolution I found was to reduce the friction between the ball and the rollers (one mildly disgusting suggestion I read online was to rub the ball against a greasy patch of skin like your nose or forehead and then roll it...

Nice work, these lineage and ROM gathering threads are really useful! I don't have any Spectrum cards at the moment, but in case it's handy here's ROM v3.0.0 for the Thunder II•1360. I do have these two blurry auction photos for a "Thunder II Light" with ROM v3.1, but I didn't win that one...

I haven't tested an 040 in my IIci yet but I have tested it with two 50MHz 030 cards against the IIfx overclocked to 50MHz and can also report the IIfx seems to have a snap to it that the IIci and even the earlier Quadras don't quite match. Vs the IIci/Diimo, the 50MHz IIfx trades blows back and...

Sophisticated Circuits’ PowerKey / PowerKey Pro? IIRC there were early versions with a form factor designed more around the compact Macs.

This is an easily reversible mod and I think it's slick on any system that isn't trying to look historically accurate... Hopefully a simpler version can be recreated so viable A9M0106 enclosures aren't needed. I was lucky to find a lot auction which included one ruined case and a second with...

FWIW, I’ve been shoving images/specs on jeremywork.com in hopes of eventually having such a structured wiki. My machine pages attempt to simplify the way you’ve outlined, though it’s barely complete. Anything useful for the wiki here can be ripped freely.

Yep, same solution was offered when the user accidentally bought a Quadra. Your engine will stop making that terrible noise if you ride your bicycle instead...

This is not a specific photo, but maybe the resolution is high enough to help...

Something about the OS9 System Folder boot selection will be forgotten I presume, but a PRAM reset (hold opt-cmd-P-R while starting) will usually revert the display output to 640x480. Loading the OS may override once again to the unsupported resolution, but holding shift to boot without...

2. I originally tried an OWC Mercury Pro Legacy- it works great in the TiBook, but the heatsoak from the Pismo's CPU (at least the 500MHz variant) eventually caused the disk to stop responding to IO requests. It's been very stable with an IDE-CF bridge and a Sandisk CF card, current uptime is...

I followed @eschaton's tip a couple years ago and bought these; they're still available: https://www.ebay.com/itm/362962163404 Then last week for posterity I also snagged the OEM kit:

And if a need should arise you know of an option :p

Looks like https://www.artisantg.com/TestMeasurement/59469-1/National-Instruments-NB-MIO-16L-9-Analog-Digital-and-Timing-I-O-Board

This is something I began testing when I first acquired a Stratos CF AztecMonster and experienced instability. I still need to perform more tests to feel confident in understanding what's going on, but I also did see slower throughput with Lido than other formatters; however in this particular...

YARC NuSprint - I snagged this other one recently and haven’t done enough research yet. I think the chip is an Am29000. https://page.auctions.yahoo.co.jp/jp/auction/k1066385066 P.s. I was interested to see if that 8.24GC has ROM 341-0812 installed (C ROM.) I have 341-0266 (B ROM) so all the...