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Thanks! Yeah I'm actually trying to create the diagnostics floppy but the image file is a slightly different "format" than the OS images and won't write correctly. The file is 8K too short and yet the directory listing the data looks to be shifted one byte too far forward. Is there a special...

I've tried writing both the DOS 3.2 and 3.3 versions of this diagnostic disk using the images available at the PC 6300 Shrine and on http://olivettim24.hadesnet.org/download.html without success. All the other system disk images on these sites are no problem, but for some reason the Diagnostic...

I think this problem has been resolved! I don't know if it was the additional decoupling I added with some 1206 SMD ceramics on the back of the PCB, removal of old varnish looking flux around the flyback area of the PCB, or just the sum of all the hours it's been powered on this week burning...

I just replaced the original v1.43 ROMs in my 6300 with a pair of EPROMs containing the split binary files I attached to this thread the other day. I'm pleased to report this BIOS extract works just fine! The system boots normally from the original ST-225 and I don't perceive any differences...

Excellent! The last 16K of file MYF800.BIN appears to contain the entire v1.44 BIOS and is indeed a little different looking than v1.43. I've extracted it to a single 16K binary as well as split into ODD/EVEN images suitable for burning to a pair of 8K EPROMS. I should get some time to test...

So I recently purchased a pretty clean PC 6300 and matching CRT 313/H monochrome monitor. The motherboard had some slight battery damage but I've got quite a bit of experience dealing with that thanks to a number of Amiga repairs I've done. I mitigated the leak with some mild acid (Tarn-X is...

Greetings! I'm looking for an Ensoniq Soundscape Elite or S-2000. If anyone has one they're willing to part with, please reply or PM and let me know how much you're looking to get for it! I'm in the US but happy to pay shipping from anywhere. Thanks!!

In case anyone runs into a similar problem, below is a quick recap of a recent repair I just completed. For reasons of pure nostalgia I've been looking for a clean Miniscribe 3212 5-1/4 HH 10-meg hard drive to use in my XT clone, and couple weeks ago a very nice looking one popped up on eBay...

Does anyone have access to an ACB-2002A 8-bit MFM controller they could dump the ROMS from for me? I want to to salvage one that's missing the EPROMS and would like to use the original Adaptec code. Regards!! Dieter

I'm selling one of my 486 motherboards. I figured I'd throw it up on eBay, if anyone is interested please check it out and bid! http://www.ebay.com/itm/221023461948 If a member from this forum wins, I'll throw in an "It's ST" Cyrix 486DX4-100 CPU to go with it. Cheers!

Greetings! I am looking for a VLB (VESA Local Bus) VGA board to use with my 486 motherboard. I need one with at least 1 meg of video memory on it so that it will support 640x480x256. If anybody has one they are willing to sell or trade, let me know! Thanks!!

I've had this motherboard for years and it worked perfectly when I got it. Unfortunately I never got around to building a system with it until trying this week, but to my disappointment it's now dead as a door-nail. It's one of those neat little boards about the size of a CD-ROM drive, with 6...

If one were to start building a new S-100 based computer, where would the best place to start be? I've been toying around with the idea for years. I assume power supply, chassis, and backplane/motherboard are the obvious first components, followed by CPU and I/O boards. I see there appear to...

I'm looking an Adaptec ACB-2002 (not ACB-2002a) controller. The chips go horizontal on the older 2002 and vertical on the 2002a. If anyone has one they would be willing to part with please let me know! I can pay via PayPal or money order. For reference here is an ACB-2002 which is what I'm...

I figure some folks on here may get a kick out of this. I made a short video of my Miniscribe 3650 MFM hard drive during a random access test. These drives make such a unique sound, I figured I'd capture it on video. http://www.youtube.com/watch?v=g6dlCD8agRQ Enjoy!

Subject says it all. I'm looking for this EXACT model. If anyone has one in nice working condition that they would like to part with please let me know! I can pay via PayPal or Money order, or even trade for some SCSI hard drives like 146 gig Ultra 160 10K Seagates or 15K 36 Gig drives...

Subject says it all! Thanks!

I know this is a long shot, but I have an ST-4038 here that I adopted some time ago. It was apparently handled rough and had a few components mangled and one busted off. Mostly just caps and one choke which were easily replaced, but the tricky one is actually completely missing. It's an...

When I found my 5170 at the flea market "electronics surplus" shop a few weeks ago, I asked the owner if he had any decent looking 5150s. He was sure he did in his "warehouse" and told me to leave my email address. This morning I got a message from him saying: So I'm heading out there...

I've got a pair of 5160 with half height hard drives in them so there is a big hole above the drives. I remember back in the day we had black filler panels that would snap into place over the hole and look nice. They're similar to the kind for any other case, but they had 4 fingers (one on...