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Search: Posts Made By: TechGeek
Forum: General Computer & Tech Discussion 10-08-2022, 12:13 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Forum: General Computer & Tech Discussion 10-07-2022, 01:17 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Exclamation Re: Gateway 80486-DX2/50 Revival

Tearing into the failed WD 850MB hard drive to find out what went wrong.

I'd already gotten pretty deep into the drive by this point, but what the hey. Signs of a disaster present from the moment...
Forum: General Computer & Tech Discussion 10-07-2022, 12:53 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Got the 428MB drive in, and things are looking good.

Starting off with a followup to the battery corrosion. Got the corrosion neutralized with vinegar and mostly cleaned up. Looks much better....
Forum: General Computer & Tech Discussion 10-05-2022, 03:08 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

You can force-format 1.44MB diskettes to 2.88MB. Probably a good idea to hit 'em with a tape eraser beforehand to kill the sectoring.


Hadn't thought about OS/2. I've thought about FreeDOS, but...
Forum: General Computer & Tech Discussion 10-05-2022, 10:35 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Talking Re: Gateway 80486-DX2/50 Revival

Not much progress on the system over the past week+, again, due to waiting on that hard disk. As mentioned earlier, not only did Ontrack Disk Manager refuse to install on the system due to the bugged...
Forum: General Computer & Tech Discussion 10-03-2022, 10:05 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

The 428MB Seagate drive is officially on its way...
On a related note, the 850MB drive that I have installed in there failed earlier this evening. Powered on and calibrated fine, then suddenly got...
Forum: General Computer & Tech Discussion 10-02-2022, 12:07 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Nice! How's the responsiveness?
Forum: General Computer & Tech Discussion 09-30-2022, 09:20 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

I've got an early-'00s Plextor IDE CD burner that works like a champ. I reserve it for systems that I trust to not blow everything attached to their power supply to high heaven.
Forum: General Computer & Tech Discussion 09-29-2022, 06:08 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Uniflash said that their software is intended only for PCI-era chipsets. I have not looked at Flashrom yet.
EDIT: Flashrom doesn't appear to have any mention of ISA chipsets, so I'm ruling on the...
Forum: General Computer & Tech Discussion 09-29-2022, 08:01 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

MS-DOS 7 (hangs when loading ASPI drivers with the card installed). Can't determine the chip installed on it. (It's got this label on it that I can't remove. I could try to find the mfg. by looking...
Forum: General Computer & Tech Discussion 09-28-2022, 10:19 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Tried with external battery power, no change. The BIOS sees it as an IDE drive and forcibly resets it to auto-detection. Unfortunately, the BIOS also has halfway-implemented CHS translation. Ontrack...
Forum: General Computer & Tech Discussion 09-28-2022, 08:32 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Nope, it's a pair of bugs in the system BIOS that interact in a bad way.

Bug #1- BIOS reverts hard disk configuration to auto-detection on boot, cold or warm.
Bug #2- BIOS tries to implement CHS...
Forum: General Computer & Tech Discussion 09-28-2022, 10:58 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Disk managers are a no-go. Multiple bugs in the system BIOS that combine to impose a hard 528MB limit.
Forum: General Computer & Tech Discussion 09-28-2022, 10:45 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Not an entire 80486 in the upgrade chip, not to mention that it imparts a performance penalty when installed in tandem with an 80486-DX2. Looks like that upgrade socket is staying empty.

...
Forum: General Computer & Tech Discussion 09-28-2022, 10:41 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Just photos with this post.

Starting off with a shot at the upper half of the case.
https://www.badcaps.net/forum/attachment.php?attachmentid=274877&stc=1&d=1664382602

Temporary hard disk. Due...
Forum: General Computer & Tech Discussion 09-28-2022, 10:05 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

Watch out and make sure that you don't end up with CIH on that thing, as the Intel 82430 series of chipsets *WILL* be exploited by CIH, and the end result is a trashed BIOS. Or make sure that you're...
Forum: General Computer & Tech Discussion 09-27-2022, 04:14 PM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

I'll have to see about that, but if it doesn't work out, it's likely to go to a museum, as it's in otherwise nearly immaculate condition.



Sounds about right... feels like it weighs ~50ish....
Forum: General Computer & Tech Discussion 09-27-2022, 10:52 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Re: Gateway 80486-DX2/50 Revival

So here's the background on this system:
It was built on June 13, 1993 and likely delivered to its owner sometime in the not-too-distant future. The original owner said that he used it for his...
Forum: General Computer & Tech Discussion 09-21-2022, 10:05 AM
Replies: 74
Views: 4,027
Posted By TechGeek
Talking Gateway 80486-DX2/50 Revival

[placeholder post, details to come later]
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