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I haven't tested it well enough to record yet. I intend to get to it, though still getting into round two of IIfx video tests, so it might be a moment. A lot of the video card performance information that isn't recently published benchmarks seem to refer back to this round of testing that @trag...

Interesting... I have a few 8100/100s with Sonnet G3s and had always removed the cache per the installation manual's directive until one of them shipped in with the cache and G3 both installed, so I tested it for a while and didn't notice any instability. I've since added the cache back to a...

Sure, hopefully it turns out to be a simple thing!

'that button' is probably the CUDA switch, which resets the PMU, and not necessarily PRAM. Starting with CMD+OPT+P+R until you hear the boot chime at least a second time (can take a little while if there's a bit of RAM to test) will reset the PRAM. I would, if you have one. Can't hurt to see...

Silly edits ^

Apple edit:MS liked to start leaving 640 x 480 off the 'recommended' list by the OS X era. Could be it's not detecting the sense pins and sending the otherwise default lowest of 800 x 600 or higher. I sometimes try plugging in one of those powerbook VGA to DA-15 adapters and then one of the...

Never used a cube, but I've had plenty of turnkey experiences with those cards in the G4 towers over the years. I'm first wondering about that display. Not that I should judge by its cover, but a fixed sync display might look like that if fed an incompatible resolution.

It might be worth checking what the display preference is set to in the PC Setup control panel on the Mac side. If nothing is connected while the DOS machine POSTs it could end up in an unsupported mode.

I think the B&W needed a firmware upgrade when running a Yikes G4 CPU, and I know the Beige models required a firmware upgrade for some of the Sonnet upgrades, so I'd guess it'd work with an update. Though, this old thread suggests XPostFacto will allow you to turn the cache on...

Strangely, only some of the Thunder cards had upgradeable ROMs. In SuperMac's Thunder Q&A, under the 'My display reverts to black & white mode...' question: http://archive.retro.co.za/mirrors/68000/www.vintagemacworld.com/radius/smacthun.html Otherwise the document doesn't seem to indicate...

Also potentially of interest, "ATI Rage / Radeon Installer for Mac OS 7.6 by Dan Palka" (of System 7 Today). It's on system7today but also here: https://gona.mactar.hu/ATI_Mac/ https://gona.mactar.hu/ATI_Mac/ATI_Radeon_7000_Mac_Edition_System_7_driver/atios7installer.sit.hqx

eBay presented this listing to me but it was sold out by the time I had loaded it. Glad you snagged it! I've been looking at the two revisions of DSP card and haven't yet spotted a difference... I can't confirm on this exact card, but SuperMac cards usually support 16 color modes (not to be...

I tried this originally with the Sonnet OEM patch and it behaved just like its cousin Tango 2.0 (the one with unpopulated ATA connectors.) USB and Firewire both worked, but ATA didn't.

In my experience the only issue which semi-regularly occurs when switching via KVM (or gingerly hotswapping a cable) is the devices do not get reassigned properly by the ADB controller which results in settings like mouse tracking speed not being reapplied. Running the bus reset command in ADB...

Excellent score for $20! and nice to know these work all the way up to the end of the line. I believe that's a 100MHz model, as the 166 ones I've seen have two VRAM chips soldered where the 100s usually have upgradeable sockets. The DA-26 cable is designed for this adapter If combined with...

I have one too but from NewerTech, I vaguely remember posting about it though it could've been during the crash. I remember an issue that sounds exactly the same: Upon startup Finder would use the small dialogue (same as Speakable Items or clock being incorrect) to state an error about not...

Depending on the selected mode, internal video designates from (32k to 320k per LEM; 37.5k-300k on the calculator) of the first megabyte of RAM as VRAM. Other values also stored within this megabyte (really the whole A bank, though on the IIsi the bank is 4x256k soldered to the board) are...

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.