Re: What retro activity did you get up to today?

Posted on Yesterday, 00:14

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It's 1998, and just finished setting up my new Packard Bell Club 40 from Dixons, and exploring all the delights of the pre-installed 'Club College' software pack, before setting up a NetP@ss account for free 56k dial up internet access.IMG_20240530_092440~2.jpg OK, well it's all part of the Packard …

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Re: Smoke coming from PAS16

Posted on 2024-05-31, 23:49

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by Thermalwrong

in Marvin \ Sound

in Marvin \ Sound

Congratulations 😀 It sounds great from that video, both FM and digital audio! I thought for sure that thing was toast since the other popped PAS16 I saw had the main chip burned as well.

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Re: SBEMU: Sound Blaster emulation on AC97

Posted on 2024-05-31, 21:07

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by Thermalwrong

in Marvin \ Sound

in Marvin \ Sound

Hello. I am using SBEMU on a computer with a Biostar M6VCF motherboard. During startup, SBEMU displays that it uses the VIA VT82XX AC97 audio chip. The problem is that digital audio is always played twice as fast as it should be. Are there any SBEMU settings that will solve this problem? Have you …

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Re: Toshiba 460CDT - POST/Flash codes?

Posted on 2024-05-31, 20:59

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ah, get some pictures of the board if possible and check out the underside of that board that sits on top. Follow this disassembly / assembly guide to get the top casing then the upper PCB off: https://archive.org/details/toshiba-service-manual-220cds-480cdt-470cdt-460cdtcdx-440cdt It's pretty quick …

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Re: Advice needed for motherboard recapping

Posted on 2024-05-31, 20:52

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Here's some better pictures of the caps around the CPU socket. Thanks for all the help! Keep these: IMG_1407.JPG Good luck! I've scrapped a similar P4 board with bad caps / chipset before and pulled a similar set of caps all in a row around the socket like that. May have been (M) matsushita caps as …

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Re: Toshiba 460CDT - POST/Flash codes?

Posted on 2024-05-31, 20:11

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi there :) That info seems to be a bit unknown - sadly there's a blind spot in Toshiba's detailed maintenance manual documents from the beginning of the MMX era up to the Pentium 4. In this era, Toshiba really developed their diagnostic information so not only is there parallel port POST code …

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Re: What retro activity did you get up to today?

Posted on 2024-05-28, 22:20

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Today I've been working on trying to get a PCChips M912 v1.7 motherboard to work, without success. My ISA slot diagnostic board sees the all the 12V and 5V + and -, and I see it turn off the RST and remain with frame and clock, but that's all - never get any POST diagnostic codes/boot codes numbers …

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Re: STB Sound Rage 32 - Gravis Ultrasound PnP clone?

Posted on 2024-05-24, 15:35

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That looks janky as hell.. Yeah I re-did the wiring later with thinner enamel wire and cleaned the flux up, it looks better now. Sadly going over 512KB of RAM on Interwave cards without a SIMM slot does require some janky mods :P It'd need a new PCB though to have more than 1MB with designs that …

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Re: STB Sound Rage 32 - Gravis Ultrasound PnP clone?

Posted on 2024-05-24, 14:14

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It's probably the same initialisation program on both :) Here's how you can put 1MB of RAM on a similar interwave: https://www.vogons.org/viewtopic.php?f=62&t=83769 You'd need to install a socket, stack up 2x 256k x 16 soj-40 chips on all pins except for the CAS (UCAS/LCAS) lines on the top chip. …

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Re: Toshiba T5200 mods and upgrades

Posted on 2024-05-22, 23:02

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For broken(leaky) Japanese screens - only YT video I found (with any relevance to a fix, it is for a mac but applies for old made in japan laptop screens). That's probably not going to help for the gas plasma screens on the T5200 though since they don't use polarisers. Adrian's Digital Basement …

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Re: Dell Dimension XPS T500 upgrades.

Posted on 2024-05-22, 12:55

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You can use this list on wiki for an idea on CPU's as long as the FSB is 100Mhz your ok. It maybe you can get a faster S370 CPU and slocket adapter then a slot 1 CPU, I doubt it but maybe? https://en.wikipedia.org/wiki/List_of_Intel_Pentium_III_processors So from that wikipedia article can I …

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Re: Electronics Guessing game , can anyone identify missing components on this GeForce 4 MX 440? black pcb

Posted on 2024-05-22, 12:31

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Doesn't look like any components are bashed off at least on the front. Any empty spots look like they were never populated. Give that edge connector a clean, that could stop the card working.

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Re: Nvidia Geforce FX5500 repair question

Posted on 2024-05-21, 15:05

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I've been trying to use VMTCE to test memory faults but the Geforce FX memory layout is somewhat more complicated than the 1st gen AGP cards like the voodoo 1 https://www.vogons.org/viewtopic.php?f=63&t=97677 It hasn't really worked well for diagnosing faults on a Geforce FX :( For anything where …

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Re: Nvidia Geforce FX5500 repair question

Posted on 2024-05-21, 14:47

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

you can use old MATS/MODS for DOS to test vmem on NVIDIA cards https://drive.google.com/drive/folders/1pFuLLtwZX5fhwTupCkJDv4TiJKE_GWNw it will show you which exact memory bank is bad. btw also check the capacitors/resistors around the memory ic. Hmm handy, thanks for this :) Do you know which …

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Re: Faulty keyboard - Compaq Armada M300

Posted on 2024-05-21, 02:16

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It'll be a spill or some other corrosion has got into the membrane layers of the keyboard and damaged some tracks. Sounds like all those are on the same trace or there are two traces damaged. Or there will be one track at the connector for the keyboard that has worn through - hold the keyboard …

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Re: The quest for the perfect retro laptop: a saga

Posted on 2024-05-21, 02:11

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This might be a long shot but Im in need of a restore disk or a ftp archive for a Toshiba Satellite 5205-S705 recovery software, Machine already has XP on it but doesn't have any of the other Toshiba software which it needs. Also I have tried all the methods I can think of but how in hell do you …

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Re: Toshiba T19xx DRAM cards, T4400 DRAM cards

Posted on 2024-05-21, 02:09

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It's standard JEIDA as far as I can tell, I think the requirement for the Toshibas is 3.3v but I don't know if there are standards for the voltages and it's tough to find detailed info on JEIDA cards now. I've used the memory card from a T1950CT in my Panasonic CF-41 which uses a half-length JEIDA …

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Re: Toshiba Satellite Pro 410CDT suddenly died

Posted on 2024-05-21, 01:53

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Take it apart and re-seat the sound-card board that connects the HDD. When you reconnect it make very sure that the white cable with something like 6-wires is connected securely at both ends because that powers the hard drive on that model. That happened to me a while ago. Hopefully that's all it is …

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Re: Looking for a Diamond Monster 3D (Voodoo1) component map

Posted on 2024-05-18, 03:02

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by Thermalwrong

in Marvin \ Video

in Marvin \ Video

That's my experience with switching between a Voodoo 1 then a voodoo 2 and back again. The computer would freeze on a turqouise display when trying to switch to 3d mode. I ended up doing a clean install and now run 2 separate compact flash cards on that test computer to go between V2 -> V1 See my …

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Re: What retro activity did you get up to today?

Posted on 2024-05-18, 01:44

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by Thermalwrong

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Repaired a couple of traces on a mobo and soldered a tiny qfn. Wow, nicely done that looks really really tiny! What does it do? I installed a Chinese card cooler on my GeForce 3 Ti 200. I had to hacksaw and file portions of the base to make it clear the RAM sinks, and when I tried to install it I …

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