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The DE wasn't the only black 5400. My first conquest was a black 5400/180. IIRC the DE had a higher spec (more RAM and larger HD I think). Road Apple or not mine is my go-to Mac for printing as the Colour SW1500 that came with it is the only functioning printer I have.

Well that didn't work out either. SCSI filter on the 7500's hard disk didn't change anything. Filter and terminator (and no internal drive) also didn't boot. I added an external hard disk in case it still needed the external bus terminated as well. No change (though I'm only assuming it was new...

I was away on holidays for a few days so I haven't been back to this yet. I'd tried it with the 7500's drive freshly-formatted with a universal 7.5 install and no gfx card but it just won't booting anything. The drives I tried are good in their host Macs. I should look up how to attach a LED but...

Watch it closely. It's clearly just a multimedia demo. The Apple guy is just hitting a key to advance it along. He isn't even using the mouse.

After further testing I reckon the other drives are getting further. It was hard to tell whether the logo or the grey screen came first because the screen took a long time to kick in. But with it stuck at a grey screen I hit the reset switch on the side of the case and that got me a "faster"...

I read back over the start of this thread again. Just wanted to add some pieces of info. I too have two different brands of RAM. 4x Texas Instruments and 4x Accutek. I've tried each brand in Bank A. Unlike Tempest's IIfx, the keyboard lights DON'T blink on startup. The only time they light up...

The screen takes a bit of time to kick in, so it's possible that the SuperMac logo appears before the grey screen with the other drives. By the time the screen is visible the logo is either there or it isn't. The one and only time it booted I think it popped up after the Happy Mac. The boot...

I took out the RAM and ROM and cleaned the contacts on them with q-tips and isopropyl alcohol. Still no improvement. The RAM slots are in two banks of four. If I leave two slots empty in one bank I get a death chime. Filling them up again it goes away. Still flummoxed with this logo. Surely if...

I'm still a bit confused by this claim that active terminating drives don't need special termination on the IIfx. The dead IIfx hard disk is the only one that when connected up to the SCSI bus (with no power cable connected) gives me the SuperMac logo on-screen. Why can't the other drives do...

I beat it up a little and dropped it onto the floor but it still won't talk. Maybe the motor is burned out. The only reason I'm still interested in this drive is because it's the ONLY one that when attached to the SCSI bus (without the power cable connected) will give me the SuperMac logo...

Last test for tonight. I put my 7500 hard disk in the LC III, wiped it and installed a fresh System 7.5 for all Macs (I tried 7.1 but the resulting install wouldn't boot the LC III for some reason). Took out the gfx card from the IIfx and put in the fresh System 7.5 drive. This way, if the drive...

If at all possible I don't want to open up the Classic II again. I've already got my LC III and 7500 in pieces trying to troubleshoot this. I can't remember if I installed 6.0.8L on it for all Macs or only the Classic II, but in either situation it should have at least given me the flashing...

On the 7500 the hard disk was on the end of the cable with the cdrom as intermediate. You're right. I assumed the term jumper would be at the back. I took off the drive sled and there's 7 sets of pins with two jumpers on the pcb. No marking as to which pin is which though. Google time...

Ran out of edit time on the last post. Using the 7500's jumper-less hard disk and cdrom I get the grey screen with term power enabled or disabled on the cdrom.

I'll cover over that EEPROM. I don't think it saw too much UV light but I'll make sure it doesn't see any more. I took off the drive's PCB and cleaned off all that dust. I didn't try opening up the top of the drive. As the Classic II's hard disk didn't get me any further I don't think there's...

Thanks for the ideas. I'm pretty sure I tried with no scsi cable attached and got the grey screen. I'll try it again soon and see what happens (I have it sitting with batteries out right now to reset the PRAM). I'll check the SCSI cable in my 7500 and see if that has 3 connectors. Then I could...

A friend called over earlier with a multimeter and the PSU checks out. +12v, -12v and +5v in all the right places. The batteries checked out too. I just tried the hard disk from my Classic II but it still won't go past the grey screen (no rounded edges btw). So that's power ok and known-good HD...

I tried rapping the top of the drive a few times while it was running in the IIfx. Didn't seem to jolt anything into life. So I've just removed it from the sled and saw this on it's underside. There's also a large nut on the underside. Any idea what that's for? Hard drive out of Classic II...

Guess it can't hurt to try that then. I'm leaving it running in the background for now. One post on that page said they had a drive that might not spin up for a while. Doubt it's the case here but if nothing else it might warm up the inside of the drive a little. Failing that, I could crack...

Yeah I'm probably a bit further away that you thought. If I do end up needing parts I'd like to try and get em all in one shipment. As I got video outpur from the cards on first boot I'm gonna assume for now that they're OK. The PSU and batteries all checked out with the multimeter. So power...