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The K6-2 "RATS" PC

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First post, by drosse1meyer

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Greetz All!

Here's my latest acquisition / renovation / build.

Stock specs were AMD K6-2 @ 300 mhz, M571 motherboard, 64 mb SDRAM. The AT style case has most of its hardware intact as well as the bracket+headers for the onboard motherboard features. It is in excellent condition and both CDROMs work fine. I like the bezel which holds the LEDs. There were no other cards installed in the system (onboard sound/VGA).

Even though it was described as 'working' a few fixes were needed to get it up and running, mainly disabling the motherboard cache and fixing a short. The master/slave settings were a mess for some reason too.

The motherboard supports both SDRAM and EDO, as well as AT and ATX style power connectors. The integrated sound, CMI 8330, can work in a variety of configurations but in my limited testing seems best as SB 16 (both DOS and Win98)

I'm not sure if I should keep the stickers, I kind of like them 🤣.

Modifications:
Added Nvidia MX200 and disabled onboard VGA
Overclocked FSB to 83 MHz
IDE-SD card for mass storage

To-Do:
More RAM?
Experiment with other CPUs?
Fix cache somehow?

Open to comments / ideas/ suggestions.... Thanks for checking it out!

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Last edited by drosse1meyer on 2022-08-01, 19:33. Edited 1 time in total.

P1: Packard Bell - 233 MMX, Voodoo1, 64 MB, ALS100+
P2-V2: Dell Dimension - 400 Mhz, Voodoo2, 256 MB
P!!! Custom: 1 Ghz, GeForce2 Pro/64MB, 384 MB

Reply 1 of 7, by Repo Man11

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I'd dearly love to get a deal on an AT case such as that one.
Since these boards support the K6-2/3+ I would be unable to resist upgrading it to one of those, especially in this case since the onboard cache isn't working.

"I'd rather be rich than stupid" - Jack Handey

Reply 2 of 7, by drosse1meyer

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Repo Man11 wrote on 2022-08-01, 00:29:

I'd dearly love to get a deal on an AT case such as that one.
Since these boards support the K6-2/3+ I would be unable to resist upgrading it to one of those, especially in this case since the onboard cache isn't working.

Yeah these cases are definitely becoming more rare with each passing day

I agree, the 3+ would be a nice addition!

P1: Packard Bell - 233 MMX, Voodoo1, 64 MB, ALS100+
P2-V2: Dell Dimension - 400 Mhz, Voodoo2, 256 MB
P!!! Custom: 1 Ghz, GeForce2 Pro/64MB, 384 MB

Reply 4 of 7, by Sphere478

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Definitely need a 3 or 3+ with that disabled cash

Buy a 2+ 570 and mod it

Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 5 of 7, by drosse1meyer

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Errius wrote on 2022-08-01, 02:45:

Those little cases have poor ventilation though, especially if you put a hot video card like a Voodoo2 in.

Yeah there's space for a fan and ventilation holes in the front but the front cover blocks most of that. I put a fan on the MX200 which is doing the trick.

Sphere478 wrote on 2022-08-01, 06:47:

Definitely need a 3 or 3+ with that disabled cash

Buy a 2+ 570 and mod it

Could be an option, but I can't seem to find many 570 on ebay? There are 500AFX for cheap but reading your post it appears those have a much lower chance of success.

P1: Packard Bell - 233 MMX, Voodoo1, 64 MB, ALS100+
P2-V2: Dell Dimension - 400 Mhz, Voodoo2, 256 MB
P!!! Custom: 1 Ghz, GeForce2 Pro/64MB, 384 MB

Reply 6 of 7, by Sphere478

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https://www.ebay.com/itm/274825467551?hash=it … -8AAOSwvYNgvk3V

https://www.ebay.com/itm/165591645766?hash=it … VwAAOSwI8ximYNv

Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 7 of 7, by drosse1meyer

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Sphere478 wrote on 2022-08-01, 19:56:

https://www.ebay.com/itm/274825467551?hash=it … -8AAOSwvYNgvk3V

https://www.ebay.com/itm/165591645766?hash=it … VwAAOSwI8ximYNv

Oh wow, thanks! Idk why that didnt come up in my search

P1: Packard Bell - 233 MMX, Voodoo1, 64 MB, ALS100+
P2-V2: Dell Dimension - 400 Mhz, Voodoo2, 256 MB
P!!! Custom: 1 Ghz, GeForce2 Pro/64MB, 384 MB

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