Search \ VOGONS

Login

Login

Username

Password

2FA token (optional)

Remember me

Hide my online status this session

Lost password
Send activation email

or Create a new account
Create a new account

Common searches

Active topics

Search results

Display options

Re: My 486 doesn't see different cpu ... can you help me?

Posted on 2021-10-09, 21:29

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

BitWrangler wrote on 2021-10-06, 01:50: PODs on these need a special interposer it seems, cyrix and AMD unsupported. edit: ah, there it is... http://ps-2.kev009.com/pcpartnerinfo/ctstips/fbee.htm the document explain only how to do with POD, but nothing with cyrix and Amd 5x86.... any suggested …

Re: Need help to avoid damage to DX4

Posted on 2021-10-07, 18:22

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Why? it cost more than the full computer, regulator is really easy to build

Re: Need help to avoid damage to DX4

Posted on 2021-10-07, 17:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Go to see in the folder of the photos, I have added some with the values of the components

Re: Need help to avoid damage to DX4

Posted on 2021-10-07, 12:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ApostolCV is your lucky day, and a little bit mine too ... I have the same mainboard as you (actually I have the whole computer) but ... the DX4 version !! then with the original IBM voltage regulator installed at the factory. I am attaching some photos, in my opinion it is not at all a difficult …

Re: Where can i find Manual and Bios for IBM retrocomputer?

Posted on 2021-10-07, 12:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi ApostolCV , I found your post and i reply directly there, also because I have the regulator ... but you have the bridge I need for the 5v..go to check

Re: Where can i find Manual and Bios for IBM retrocomputer?

Posted on 2021-10-06, 21:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ok i found the manual. There are some undocumented jumper than can set the fsb to 16-20-25-33-40-50 mhz..very well but… no cyrix, no amd, no pod works. And i have not even found a way to set the cpu voltage, all the test are still done with the original regulator for the DX4 installed.. can you help …

Re: My 486 doesn't see different cpu ... can you help me?

Posted on 2021-10-06, 11:56

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

My model is: 6571-Wv1 With power regulator for DX4 i not understand if is it required this "interposer" looking the document

Where can i find Manual and Bios for IBM retrocomputer?

Posted on 2021-10-05, 23:05

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

could someone tell me if there are places to download updated versions of bios and manuals for ibm computers? mine is a PC330DX4 thanks

Re: My 486 doesn't see different cpu ... can you help me?

Posted on 2021-10-05, 06:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

the jumper are set correctly, is the bios the main issue? where can i found an update bios? thanks a lot

My 486 doesn't see different cpu ... can you help me?

Posted on 2021-10-03, 21:39

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have an IBM PC330 DX4 which (as the name implies) comes standard with the Intel 486DX4. It is equipped as IBM standard with an additional regulator to bring the 5v to 3.3v. https://drive.google.com/drive/folders/1-KiNspZTUVF0kIYLUwtDnSOd4xzXPy3W?usp=sharing Here you will find the photos of the …

Re: Does the Pentium Overdrive 166MMX for socket 5 have the multiplier locked?

Posted on 2021-10-03, 07:46

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ok tnks

Does the Pentium Overdrive 166MMX for socket 5 have the multiplier locked?

Posted on 2021-10-03, 05:39

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Does the Pentium Overdrive 166MMX for socket 5 have the multiplier locked? Since my card has the maximum bus at 66Mhz but I can set the multiplier to 3x, can I run a Pentium overdrive 166mmx at 200mhz? Thank you

Re: what kind of card is this ??

Posted on 2021-09-27, 13:46

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It’s original IBM part i think. my suggest il to be a Gamport/joystick port.

what kind of card is this ??

Posted on 2021-09-27, 13:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have found it in an IBM 486DX4 https://drive.google.com/drive/folders/1-AxsS … Hig31ZV1QMD2Szr tnks for the information

Re: A new 95 Build.

Posted on 2021-09-20, 11:03

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It is not better to usa a Pentium1 CPU for Windows95 and 486 for DOS/Win3.11 machine?

Re: Suggested Sound card for 386SX

Posted on 2021-08-05, 20:32

in Marvin \ Sound

in Marvin \ Sound

woha wat amount of info! i stay for my planning and swap sb2.0 between 386sx and IBM 5150. tnks

Re: Suggested Sound card for 386SX

Posted on 2021-08-05, 11:33

in Marvin \ Sound

in Marvin \ Sound

sonfinal suggestion is: 386sx - sb2.0 486dx to dx4 -sbpro2 P75 - sb16 is correct? actually that's what I thought too but I preferred to have confirmation from you too that you are incredibly competent p.s. I would also have another system ... the first IBM pc, equipped with 8087, ram expansion and …

Re: Suggested Sound card for 386SX

Posted on 2021-08-04, 15:34

in Marvin \ Sound

in Marvin \ Sound

I forgot to mention that I also have a Pentium75. If I put the Sb16 in the pentium75, I put the sbPRO2 in the 486DX2 / DX4, is the sb2.0 very wrong in the 386sx20? il386sx20 is a very slow computer, I think it is only for graphic adventures and a little further. Or is sb2.0 so poorly supported that …

Suggested Sound card for 386SX

Posted on 2021-08-04, 12:15

in Marvin \ Sound

in Marvin \ Sound

I have in my pocket: Sound Blaster 2.0 Sound Blaster Pro 2.0 Sound Blaster 16 wich is the suggested for a slow 386sx20? the one that advances I would mount it on the 486dx2…

OPTI 82C802 + cyrix + AMD is possible?

Posted on 2021-07-22, 00:01

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I can take an IBM PC WITH 486DX4, THAT means voltage regulator... i see that i can install the intel POD, but what about AMD 5x86 or Cyrix 5x86? Chipset is OPTI 82c802 tnks

Page 1 of 25

Go to top of page Go to top of page