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Thank you but I'm looking for a yellow lid specifically.

Sounds good. Got photos of both?

Fantastic! Glad to help.

That looks like flux residue, possibly from an attempt to reflow some of the pins on that custom IC. On the SPI motherboard it's fairly common for pins on the custom ICs to come loose. Try carefully cleaning the flux off with isopropyl alcohol.

The video RAM that appears to be bad is the alphanumeric and playfield RAM. The RAMs you changed are for the motion object framebuffer. Try replacing 21M and if that doesn't fix it, 21N. I believe they're socketed.

Just need the lid, preferably in decent condition.

+1 also

Ooh, this game is fun... Rock 'n Rage Black Panther Hot Chase Gang Busters Hyper Crash Polynet Warriors Fighting Bujutsu Edit: Forgot to add The Powerpuff Girls

Woah. I am in for 1 Swing.

As @caius suggested, it was indeed one of the line buffer SRAMs that was bad (see attached). There's multiple layers of sprites; the only tilemap is the text layer. It was easy to identify which SRAM was bad on a 'scope because it was outputting random shite at times when there shouldn't be any...

@CoolFox has been nagging me about finding the BIOS password, so I'm looking into it now...

You're in Salinas, right? If you're heading up through San Jose at any point I'd be happy to look at the PCB.

Fantastic! Why are you interested in City Bomber? I just bought one. If there's any info I can provide, let me know.

I got mine from store.inertialcomputing.com last year but it's now discontinued.

The SCSI2SD V5.0b (the small red one) works great with Simpsons Bowling as a CD drive substitute. However, I never managed to get it working with the V5.1 SCIS2SD, no matter what I tried. The flash ROM daughterboard is VERY unreliable in my experience; I've had several which reported bad flash...

So that's why you wanted those caps! I once wrecked a very rare PCB while attempting to desolder numerous ICs because I was inexperienced and poorly equipped. It dissuaded from attempting any further repairs for quite a while. When I returned to attempting repairs, I vowed not to make the same...

Thanks! I'd love a B.O.T.S.S. to complete my Microprose collection. I have a Super Tank Attack cab on its way to me soon :)

A complicated repair for a rather complicated game... https://philwip.com/2019/09/11/pcb-repair-f-15-strike-eagle/

Just wanted to say big thanks for sharing this! Hope you can get it running; I'd be curious to hear how it sounds.

The GAL is the same between games and is solely for the sound CPU. Without it, you'll get no sound and a sound system error but the game will still boot and run (badly).