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That puts it before the 2.0 firmware for the Radius versions, and it seems to have fewer video modes at a glance, so a ROM swap is a definite upgrade.

Try a Pro X or Pro XK ROM, they should be hardware compatible across the 7", I think.

Their high end monitors have been surprisingly great for over 20 years, though they are rarer than the run of the mill stuff. I've still got a 2407WFP I bought in 2006. Other than being widescreen it's an incredible little retro monitor since it also takes composite and component too. And does...

Did you just cut the old PSU cable and wire it in?

Is that the S2134 or a smaller one? 1600x1200 (proper aspect ratio!) sounds really nice but it's soooo pricy. I've got a beat-up 5:4 LCD I found in the garbage I've been using for my retro systems and the 5:4 just makes me sad. Do you know if it does 15kHz? The specs don't look promising.

I don't think there was a non-Pro XP...they're confusingly labelled on the board. Is it a 7" board? IIRC all the non-Pros were 12". Realistically it doesn't hurt to try the Pro ROM. In most worst case scenarios it just doesn't do anything. Interesting there was a Lapis-badged version. I've...

FWIW that circuit board looks pretty cooked as well. Like it got properly hot for quite some time. I'd check for other heat damage, shorts, and make sure the fan is moving air properly, or you might have additional failures.

Interesting. I wonder if it took a checksum of the entire chip and without those zeros it wasn’t valid.

Yes, it varies. Some (non-SuperMac) cards hang on boot so they're fully incompatible. Some cards (like SuperMac) are just not fully configurable so they "work" but occasionally that can cause problems when you need to change the configuration :). Even then, SuperMac cards can't change display...

Oh curious...I'm surprised it boots at all with no PROM. Maybe it's detecting the chip type before flashing and doesn't recognize it? Or you actually flashed it manually and it refuses to even read it?

Ah good point. I think 3.0 adds support for PowerPC, just 1.7.2 is required for proper 7.5.2+ compatibility.

268/256 matches the Sonic LC and Etherlan cards. I'd be surprised if that driver doesn't work (it certainly wouldn't be to spec for that not to work, since, if I remember my read of Designing Cards correctly, drivers match this 4-tuple).

What's the DrSW and DrHW on the Network sResource? If I remember correctly they need to be 260/256 to match the generic DP8390 drivers. You could try programming another ROM with the DeclROM modified to match those. But who knows if it's mapped memory to the same regions...so it might work or...

In case anyone else stumbles here: ROM 3.0 should be good on 7.5.2+.

Likely dynamic addresses based on the ROM version it's patching?

Glad to hear it! You might try leaving auto-negotiation on (since it's easier to manage). Only some cards (mostly Asante?) are affected by the issues there so it's good to know if you don't have to bother. If you do leave it on manual configuration, I believe these are only half-duplex.

SSI stickers on the chips confirms this is a Sonic Systems card. Dumping the ROM would reveal more.

It looks like it patches the location of the StartBoot pointer. That seems to lend credence to the theory it's remapping memory before CPU execution starts since they're patching pretty close to the first entry point.

Yeah. Swapped it and updated the env vars that were slightly different. It seemed to start up and migrate all the resource forks properly.

Dang that's a sweet upgrade! My 180MHz R5K O2 can only be described as "sluggish". I imagine that screams, very nice work including the home-brew programming. Are you using the latest system PROM? It's possible it has better R7K support if not.