How much time do you have to wait to open a PSU without any risk ?

Posted on 2022-04-26, 05:15

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have seen videos of people just opening the PC Power Supply and start touching things. It is dangerous because there are 2 big main capacitors that can be loaded. I Think those are 400 volts. Does anyone know how much time or days do you have to wait for those 2 caps to discharge? I know that you …

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Re: Need advice from IBM lovers. I am Trying to restore an old IBM ps/1 model 2168

Posted on 2021-08-28, 00:42

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

thanks. the manual also shows a drawing of the monitor. it will be helpfull. it is a surprise that the mouse is that model, i though the ps/1 mouse was the bulky one with long buttons

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Need advice from IBM lovers. I am Trying to restore an old IBM ps/1 model 2168

Posted on 2021-08-27, 16:53

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hey, I bought one of these systems that i think it is one of the best pc case designs in history because of how it looks. the model its an aptiva ps/1 model 2168 and it came with a 486 50mhz cpu. my problem is that i think ibm released so many of these aptiva during years that its difficult to me to …

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Re: I have an Aztech Sound card that I cannot seem to get the drivers working for.

Posted on 2020-08-04, 04:22

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

how good are these compared to SB16 ? i noticed they come with a yamaha chip

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Re: If you were able to go back say 15-20 years ago what one motherboard would you buy ?

Posted on 2020-08-02, 06:38

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

there is one thing i would buy the MSI motherboard with integrated voodoo3 chip msi-ms-6168-rev-2-with-integrated-voodoo3-2000

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Did anyone Upgrade the cache on a Super Socket7 board?

Posted on 2020-07-22, 00:49

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

i was wondering if anyone upgraded the cache on a super socket7 motherboard. i just got my hands on this nice little board but it came with 512k cache http://www.motherboard.cz/mb/qdi/Advance%203.htm i would like to know if its possible to remove the cache, and maybe find online a 1mb or 2mb …

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CDrom + Soundcard Kits from the 90s, anyone got one?

Posted on 2020-07-18, 03:47

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

i have not seen pictures for many years one of those CDrom + soundcard kits that were sold in the 90s, the kits were sold in order to upgrade your 486. I remember my first kit came with a 1x cdrom + a media vision PAS16. They used to come with some cdrom games for you to enjoy the power of CD-rom + …

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Re: Retro PC without ISA. What sound would you choose?

Posted on 2020-07-05, 05:47

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ok thank , thanks for all the comments i guess there are 2 real choices in order to have a retro PC that has all my needs + has support to top CPU processor speed to cover more games developed for windows xp. 1) is to get one of those strange pentium 4 motherboards with an ISA slot, that were …

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Re: Retro PC without ISA. What sound would you choose?

Posted on 2020-07-04, 18:25

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What are the specs of the system you are wanting to install a PCI sound card in? The support for the DOS supporting PCI sound cards depends a lot on the motherboard chipset being used. The SB16 card you used would have either had OPL3 or CQM for FM sysnthesis. They don't sound exactly alike. The …

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Retro PC without ISA. What sound would you choose?

Posted on 2020-07-04, 17:19

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello i have this question in regards to computers from the post pentium3 era where ISA slot is not available anymore. I have seen quite a few videos online showing how to build a retro pc with modern computer parts, so i wanted to ask : what do you use for a computer that does not have ISA slot and …

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Re: When do you throw in the towel on an old piece of hw?

Posted on 2020-06-17, 01:20

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

i throw towel when: 1) old 486 motherboard with green barrel battery leaked, eaten traces all over, and eaten bias. I am not going to invest time on trying to repair such a mess, and i just remove bios, remove cache an throw it. 2) when the motherboard just doesn´t power on, and the psu fan does not …

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Re: FiC PA-2013 mosfet problem

Posted on 2020-06-15, 23:24

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

i have seen this problem too on some of my boards, and also on a tnt2 videocard. I even tested with multimeter to find continuity between legs and there was none. where the PCB is from one original color , and because of heat that area of he pcb changes its color. To be honest i really think that …

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Memory Test tools for DOS ?

Posted on 2020-06-14, 01:57

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

hi guys when it comes to test real pc memory we normally use MEMtest under DOS. but what can i use to test video card memory under DOS? i was given a small bag full of chips like these ones, and i plan on testing each with an old videocard like this one that has sockets https://i.ebayimg.com/images …

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Re: Looking for Motherboard CDs to complete my collection (asus,gigabyte,fic,aopen,msi,epox)

Posted on 2020-06-06, 21:41

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

GIGABYTE GA-BX2000+ Available here: https://mega.nz/file/fI0miAbI#gn-jgC0ujZt7vm7g6q6Lcg59LueBgMBYF48elBYOIwQ thank you so much! i am in luck, so far i was able to get CDs for these boards FIC PA-2013 ASUS P3B-F GIGABYTE GA-BX2000+ Still looking for drivers CD images of these boards: AOPEN AX59 PRO …

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Re: Looking for Motherboard CDs to complete my collection (asus,gigabyte,fic,aopen,msi,epox)

Posted on 2020-06-06, 00:58

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

DenizOezmen wrote on 2020-06-05, 12:02: Cga.8086 wrote on 2020-02-01, 01:34: GIGABYTE GA-BX2000+ I do have a CD for this board here (labelled GA-IUCD_14). Should it still be needed, let me know. HI Deniz please please plase share that cd iso for GIGABYTE GA-BX2000+ you can use mediafire, zippyshare …

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Re: Versions of Mortal Kombat (1) (DOS port)

Posted on 2020-06-03, 06:17

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by Cga.8086

in DOS

in DOS

Anyone knows if ultratech V1 and ultratech V2 had different boxes ?? my box was like this but i can´t recall if it was ultratech v1 or v2

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Re: Running Dangerous Dave / Commander Keen games with smooth scrolling... how?

Posted on 2020-06-02, 12:57

by

by Cga.8086

in Marvin \ Software

in Marvin \ Software

get a trident card? those were really compatible with DOS games, not like ATI

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Fake painted Pentium CPUs

Posted on 2020-06-02, 04:57

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

i was checking this nice video regarding fake pentium CPUs and i remembered i had one of those. the most common difference is the color of the cpu, they seem to be darker than the rest, and if you pass a cutter, the paint starts to fall off https://www.youtube.com/watch?v=wsKjX6UGYUQ&t=4s Notice …

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Re: Anyone here got a Compaq Presario 4120 ?

Posted on 2020-06-02, 01:54

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by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

im wondering if anyone in the forum has a presario 4120, 4122, 4160 im insterested on what keyboard model it came with, and what mouse model it came with, if you can share a picture of it it would be great

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Re: Any interest in an ISO of the FIC PA-2013 CD.

Posted on 2020-05-28, 01:04

by

by Cga.8086

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

you can also use other sites like mediafire or zippyshare

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