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Re: Help with few parts ideas for building my 1996-1998 machine

Posted on Yesterday, 22:04

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Super socket 7 is the same physically as Socket 7, so the AMD K6-2 physically fits in all socket 7 systems (and probably socket 5 too) You can run a K6-2 CPU in a normal Socket 7 board, as long as: a) Bus speed is 66mhz. b) Can set the voltage low enough to not fry the K6-2 CPU. c) BIOS doesn't …

Re: Got another retro computer!

Posted on 2021-06-12, 13:23

in Marvin \ System Specs

in Marvin \ System Specs

Hey John, I replaced a few capacitors on a motherboard as my first soldering project. It wasn't extremely easy but it went okay - I have no hesitation encouraging you to try it out. I just found the cheapest soldering kit on Amazon... it came with the iron, a holding stand, a spool of lead-free …

Re: Trying to revive a PSU from a 386 - I'm part way there

Posted on 2021-06-09, 09:44

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Modern PSUs do have one major issue though, except those really high-end 750W+ units these are geared towards 3V3 and 12V line loads. A typical modern "old PC" will not even have a mechanical HDD anymore, or just one, so the 12V is almost not used, and 3V3 isn't at all obviously. The simplified way …

Re: 32-Bit is dead

Posted on 2021-06-09, 07:35

in Milliways

in Milliways

While I don't agree with Vinyl Records still living, I guess it satisfies a need some people have for a more touchy, feely side of music. Which is cool. I can't argue since I resurrect and maintain extremely old hardware for that same touchy, feely reason.

Re: Trying to revive a PSU from a 386 - I'm part way there

Posted on 2021-06-09, 07:33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yeah, it is a shame that technicians do not want to touch PSUs at all. Fixed a small bluray home theater system for a friend after finding out all that was wrong with it was a fused bridge rectifier. There is always a risk of shock, but you can minimise it by keeping everything powered off and …

Re: 32-Bit is dead

Posted on 2021-06-09, 07:14

in Milliways

in Milliways

If you read too much media, everything is dead. X86 is dead. Real hardware is dead. 32-bit is dead. 80's pop is dead. Consoles are dead. PCs are dead. ect ect ect. Except it is usually wrong!

Re: Advice on socket 7 choice?

Posted on 2021-06-09, 04:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For a "My first Socket 7" build, I recommend getting a board based on the Intel 430TX chipset. It is nice and easy chipset to use, without the troubles of Cache slots (cache will be on the motherboard already). It will generally take easier to acquire SD-RAM modules, take a wide variety of 66mhz FSB …

Re: Windows 7 Retro?

Posted on 2021-06-09, 03:38

in Marvin \ Software

in Marvin \ Software

That UAC, which like a hyperactive mother constantly tells you what not to do. ;) Sorry, I feel that UAC was the pain we had to go through to change software developer's attitudes to administrator access. In addition, UAC worked overtime in the background to virtualize many of admin only things old …

Re: The worst motherboards you have had to work with

Posted on 2021-06-04, 08:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I've seen motherboards use OTP chips rather than EEPROMS. OTP chips are probably EPROMS with no erase window (so you can't erase them). Would be cheaper to make than a proper EPROM with erase window.

Re: Dram + 286 question

Posted on 2021-06-04, 06:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If it does, the BIOS is buggy. It should show up at 1024KB, not 1024MB. There is no way a consumer-grade computer of that time having 1 gigabyte of RAM... Ok, Mr Pedantic. Of course it would only be should 1024 KB. The 286 processor only has 16 MiB of address space. But yes, you are likely right …

Re: Dram + 286 question

Posted on 2021-06-04, 05:19

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You should be able to get 4Meg probably, maybe 5meg including what is already there. How much memory does it currently show when you boot up? It should show up as 1meg given the numbers on the chips in the top bank of 8 chips.

Re: MS-DOS Mode reboots when running Tyrian or Jazz Jackrabbit with SB Live SB16 Emulation (SB0100)

Posted on 2021-06-04, 00:13

in Marvin \ Software

in Marvin \ Software

In your BIOS, can you reserve IRQ 5 for Legacy ISA? If you can, then this will prevent the BIOS from assigning PCI devices to IRQ 5, and this will let the SB emulation drivers take over IRQ 5 for it's own purposes exclusively.

Re: Yet another Abit de-Teapofied (almost)

Posted on 2021-06-03, 23:39

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Onto my thoughts on recapping motherboards. If you are going to start recapping a motherboard, you should almost definitely change all the caps on the same series, and preferably all capacitors 470uF and larger. More than once, I've had to go back to a board multiple times to replace further …

Re: Yet another Abit de-Teapofied (almost)

Posted on 2021-06-03, 23:21

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I was playing with an nforce 2 board just recently. Epox 8DRA+ or something, having the same errors in memtest86+ test 5 - blockmove. Definitely can confirm that some sticks just don't play nice together. You need to swap them out into you get something that works.

Re: The worst motherboards you have had to work with

Posted on 2021-06-01, 22:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Tested your method and I noticed that in the reset loop I just described, I get 0V on clock, and data constantly fluctuates between 4.73 and 5.00V. Would like to get it going as it is very stable and relatively fast compared to my other 693 based board, a DTK PRM-27IV. OK, then you should check the …

Re: The worst motherboards you have had to work with

Posted on 2021-06-01, 10:48

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ACorp 6VIA81P - seems to have died with a reset loop issue, and whenever I get it to POST, having a keyboard plugged in will make the BIOS press random keys for no apparent reason. Shame as despite having the VIA693 chipset, it ran 133FSB quite nicely, about on par with my 440BX based Soyo 6BA+IV …

Re: Looking for advice on a rather odd, sneaky kind of build.

Posted on 2021-05-30, 03:32

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Horun wrote on 2021-05-30, 03:24: (last one cost me less than $50) This is my reason behind saying something like the Core 2. They are so silly cheap at the moment, if he breaks it, it isn't going to hurt. Unlike actual retro hardware, that is become more expensive and difficult to find.

Re: The worst motherboards you have had to work with

Posted on 2021-05-30, 02:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I got an amptron 8600 thingy with TXpro chipset on it. Got it working once, kinda, after modding the Dallas battery. Decided to add it to the donor board pile, as I had plenty of other better socket 7 boards and couldn't be bothered fixing it.

Re: Looking for advice on a rather odd, sneaky kind of build.

Posted on 2021-05-30, 02:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

All that is going to be TOO old for teaching modern systems builds. Modern systems have high focus on airflow, CPU cooling and proper cabling. You will want something like an old Core 2 or Core i3 system, as a minimum, if you want to teach building modern systems. They are cheap, have the LGA …

Re: Show us your custom Physical mt32-pi Builds

Posted on 2021-05-29, 23:58

in MT-32 General

in MT-32 General

Very nice! I like!

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