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Re: Bought these (retro) hardware today

Posted on 2024-01-11, 17:31

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

... Good luck with that card, one of the worst GPUs ever produced by S3/Diamond and one of the big ones that bankrupted them and sent them to the grave, pretty sure they never released working drivers for that card, all the ones ive found are broken in some form or another. Even Unreal Tournament …

Re: Bought these (retro) hardware today

Posted on 2024-01-10, 20:19

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This one came in the mail today. I found it whilst trawling our local Graigslist. The seller was selling AGP cards for 10 euros each. Pictures only, no description. I spotted this one amongst them ❤️ IMG_20240110_210411968(1).jpg For a grand total of €14.65 I am now the proud owner of a Diamond …

Re: Help picking a soundcard for a 286 on a budget

Posted on 2022-11-20, 15:22

in Marvin \ Sound

in Marvin \ Sound

I have no idea, it may be something with ISA bus termination ? https://www.smbaker.com/diagnosing-xi-8088-stability-issues This issue could be caused by a bad signal on the OSC pin. VGA cards tend to use their own signal instead. http://www.os2museum.com/wp/the-isa-osc-mystery/ Good idea thinking …

Re: Help picking a soundcard for a 286 on a budget

Posted on 2022-11-19, 17:16

in Marvin \ Sound

in Marvin \ Sound

CMI8330 cards also works well with 286 (in my PC for example ;) ALS100+ actually also uses external FM chip https://www.vogons.org/viewtopic.php?f=62&t=74802 In the past I had problems with ALS100 card (not +) on 286, because its driver denied to work but now you can use Unisound. I have not found …

Re: Help picking a soundcard for a 286 on a budget

Posted on 2022-11-19, 17:05

in Marvin \ Sound

in Marvin \ Sound

So here is the card OPTi 82C929A card I received: IMG_20221118_210204232.jpg IMG_20221118_210216188.jpg I cannot find any brand/type the writing on the silkscreen yields no google results. It looks to me to be a generic whitebox design. It does sound quite decent though. It has a Yamaho OPL3 clone ( …

Re: Help picking a soundcard for a 286 on a budget

Posted on 2022-11-19, 16:23

in Marvin \ Sound

in Marvin \ Sound

In a nutshell: The SoundBlaster has two completely separate kinds of sound generation: Digitized sound playback: The SoundBlaster uses DMA (usually) to fetch sound that has been digitized at a fixed rate from memory. When it is finished, it generates an IRQ (interrupt request). A lesser known fact: …

Re: Help picking a soundcard for a 286 on a budget

Posted on 2022-11-13, 22:11

in Marvin \ Sound

in Marvin \ Sound

CQM is as hardware-based as OPL3: CQM is designed to sound similar enough to OPL3 without using any proprietary or patented technology by Yamaha. Software that is written for the OPL3 will work with CQM as well without any drivers "emulating" anything. As CQM is not identical to OPL3, it will sound …

Re: Help picking a soundcard for a 286 on a budget

Posted on 2022-11-13, 14:24

in Marvin \ Sound

in Marvin \ Sound

I'd add ESS 1688 based cards to this list as well. Thanks for the suggestion, I added it to the list. Sound card "drivers" for DOS don't use 32-Bit Protected-Mode, merely newer 32-Bit Real-Mode instructions. And for this, you can use EMU386. It intercepts 386 instructions and emulates them. It …

Help picking a soundcard for a 286 on a budget

Posted on 2022-11-12, 15:51

in Marvin \ Sound

in Marvin \ Sound

Hello, Recently I fixed up a Philips P2230 with a 12.5MHz 286. I would love to add a sound card to this system, but I do not have the budget to purchase anything period correct. Electromyne has some ISA cards for under 30 euros, but I find it hard to pick a reasonable card. I am aiming for the …

Re: Running (286) PC without (Dallas) RTC = smoke...

Posted on 2022-09-04, 19:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thanks for your replies. It gave me the courage to test again without the RTC installed. This time the PC displayed the video bios, followed by a beep code and then reboot, but no smoke :) The tantalum caps used in this machine are all rated 20V btw, and I know that 16V tantalums are not sufficient …

Re: Replacing battery on 386

Posted on 2022-09-02, 13:33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is the original battery disposable or rechargeable? If it is rechargeable, then I would not replace it with a 18650, because it has (likely) different charging requirements. This could lead to instability. It it is disposable, then the 18650 will not last very long due to self discharge (it could …

Running (286) PC without (Dallas) RTC = smoke...

Posted on 2022-09-02, 13:10

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Recently I received a cute Philips P2230, 286 12MHz, 1MB, CGA. Complete with monitor, mouse and keyboard. It had a depleted Dallas RTC, and as an effect it could not boot past the BIOS. Since the RTC was not socketed, I desoldered it and placed a socket in the mainboard. I did not have time to do …

Re: Cannot believe I bought this "time capsule" PC, wondering what's inside !!

Posted on 2022-02-01, 20:01

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The system came with a clean Windows XP SP1 install, so I played around with it a bit. The 64MB held up pretty well I must say. It swaps occasionally, especially during multitasking, but not too bad. I will add some extra RAM to it and install Windows 98SE. I think I will replace the Viper V550 a …

Re: Cannot believe I bought this "time capsule" PC, wondering what's inside !!

Posted on 2022-01-30, 17:22

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

[...] Beg to differ there. Back in 2002 or so I built a system for a cash-strapped student association. P2B-LS motherboard, P2-400 CPU, 192MB RAM and some half-decent 7200rpm SCSI drive. They were only doing MS Office work and internet browsing, but insisted on XP because they didn't know how to …

Re: Cannot believe I bought this "time capsule" PC, wondering what's inside !!

Posted on 2022-01-30, 12:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So, here it is. Drumrollll please.... Opening up the case: IMG_20220130_121523865.jpg First daylight in a long time. Clearly a Voodoo2 inside (there's my money's worth :)) It is a P2B so Asus with intel 440BX chipset IMG_20220130_121845337.jpg Gutted >:) IMG_20220130_123343190.jpg And for the …

Re: Cannot believe I bought this "time capsule" PC, wondering what's inside !!

Posted on 2022-01-30, 11:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I just returned from picking up the computer. So far I have resisted the temptation of ripping it open and looking inside (is this just savoring the moment, or am I a masochist?). The seller did give me some background story: The seller was the original/sole owner of this system. The PC was bought …

Re: Cannot believe I bought this "time capsule" PC, wondering what's inside !!

Posted on 2022-01-29, 21:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well that could be a P5A, but tbh any ATX board pre PC99 without sound would look like this, so it could be anything from Intel OEM So7 to early i440BX. Given it's running XP I'd assume the latter is more likely, particularly given that Ensoniq PCI card with colour coded outputs - that's more 1998 …

Re: The K6-233 or the Pentium-MMX 233?

Posted on 2022-01-29, 21:31

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I think I'll read the pin on the socket cause there're too many components close to the mosfet that is almost "inside" its heatsink and difficult to read the voltage. Anyway as ground I suppose it's ok to point to any ground like one of the mainboard screw right? I just use a part of the case. Or a …

Cannot believe I bought this "time capsule" PC, wondering what's inside !!

Posted on 2022-01-29, 21:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yesterday, I saw this old PC on marktplaats (Dutch craigslist), complete with monitor, speakers, keyboard and mouse. It looks like next to nothing has been done to this PC for years/decades. The rear of the case immediately sparked my interest, since it clearly shows a pass through cable for a …

Re: Bought these (retro) hardware today

Posted on 2022-01-17, 20:03

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Picked up this card this weekend. A new (used) GPU for my Ultimate Win98SE machine. It is an ATi X800 XL, one of the fastest cards with official Win98SE support 😀.

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