Re: Troubleshooting two Slot 1 Asus motherboards

Posted on 2023-06-04, 17:30

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

And indeed after a couple of hours while I left the motherboard disconnected I'm back to square one with zero signs of post. The clock chip gets very hot, I can't leave my finger on it more than 3 seconds. This also while it was working. I'm not so good with the desoldering. Like I did a small …

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Re: A surprinsigly expensive LGA1336 motherboard. What alternatives are out there.

Posted on 2023-06-02, 13:27

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

X58 boards are indeed quite rare and stupidly expensive. I mostly care for Gigabyte boards and I managed to grab two mobos (x58a-ud3r and x58-ud3), for 40EUR each. I am concerned as well about the high temps on the mobo, I am seeing 60C on the northbridge in idle. There is the option of P55 boards …

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Re: Help on reviving PCCHIPS M571 Socket 7 motherboard

Posted on 2023-06-02, 13:12

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

bazingaa , it's useful site about PCChips M571 . If you haven't found it by yourself. You can find schematics there. IMO, the voltages of VRM on your photo look good: Vcore about 3V, Vio about 3.5v. Also I can recommend youtube channel by Tony359 and his video about reviving PCChips board: https:// …

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Re: Help on reviving PCCHIPS M571 Socket 7 motherboard

Posted on 2023-06-01, 13:10

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

bazingaa , it's useful site about PCChips M571 . If you haven't found it by yourself. You can find schematics there. IMO, the voltages of VRM on your photo look good: Vcore about 3V, Vio about 3.5v. Also I can recommend youtube channel by Tony359 and his video about reviving PCChips board: https:// …

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Re: Intel D865PERL, P4, no post no beeps

Posted on 2023-05-26, 14:17

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

IMO it's difficult to spoil a firmware on Intel desktop mainboards - the recovery bios procedure really works there. What model of P4 did you try with it? I think old Willamate won't run. Usually ICH5 is weakness of this platform. So check its heating in standby mode and also check resistance of …

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Re: List of VLB IDE Controllers

Posted on 2023-05-26, 13:48

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Some schematics in my old post about modifying MIO VLB IDE card model TK8237 chipset UMC UM8672F. I suppose it's useful to save it in a topic related to VLB IDE controllers. Spoiler I've modified my MIO VLB card model TK8237 chipset UMC UM8672F. The IDE VESA controller didn't work properly with my …

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Re: Hp VS17 lcd

Posted on 2023-05-16, 05:38

by

by Roman555

in Marvin \ Video

in Marvin \ Video

Monitors usually have settings in OSD-menu to adjust colors

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Re: Help diagnose and repair Slot A MSI MS-6167 motherboard - possibly bad choke, MOSFET or short circuit

Posted on 2023-05-12, 20:50

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

it looks much worse then it is. There used to be a sticker there, that's glue residue. I checked for shorts, couldn't find any. I've since cleaned the leftover glue off with IPA and a toothbrush. I would check electrolytic capacitors in Vcore circuit. They could lost their characteristics. At that …

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Re: Help diagnose and repair Slot A MSI MS-6167 motherboard - possibly bad choke, MOSFET or short circuit

Posted on 2023-05-12, 15:43

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The place looks bad. I suppose the choke becomes hot because of short circuit in its load. It can be discovered by measurement using a multimeter.

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Re: [ASRock Z77 Extreme6] Troubles with the PS/2 Combo Port when using a Y-splitter

Posted on 2023-05-07, 08:27

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

In Asrock Z77 Extreme a PS/2 is not a combo port. It's connected only to keyboard DATA (59) and CLOCK(58) signals of a SIO controller. Mouse signals (pins 57,56) are not connected to PS/2 (the pins can be used also for something else). You're probably talking about the Z77 Extreme3. https://www. …

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Re: [ASRock Z77 Extreme6] Troubles with the PS/2 Combo Port when using a Y-splitter

Posted on 2023-05-06, 19:06

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So, I tried the PS/2 Y cable that I recently got in the mail and plugged it in. Unfortunately, I could not get both the mouse and keyboard working simultaneously. Only one or the other on the keyboard output on the Y-cable. Nothing happens on the mouse output. However, I pulled out my HP Omnibook …

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Re: MS9105 high res pictures requested

Posted on 2023-05-04, 15:51

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Mamba wrote on 2023-05-04, 14:49: anyone? What about schematics ?

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Re: MS-6163 Pro (v2) + coppermine support using slotket

Posted on 2023-04-26, 13:56

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

IMO, the slocket is alright. I don`t think so. P3 500MHz is Katmai with TDP 37.5W. And it`s running fine To check, it's worth trying to run Celeron coppermine at 1.5V and 66 bus speeds. It will consume around 20 watts. I would check the Vtt voltage on the board and adapter, should be 1.5V But …

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Re: MS-6163 Pro (v2) + coppermine support using slotket

Posted on 2023-04-25, 19:23

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

foxzflow , those Slot1 and s370 MSI mainboards are notoriously known for their bad capacitors. Sometimes they look good but in fact they lost their parameters. It's better to do recap for sure especially in CPU and RAM voltage regulators circuits. IMO, the slocket is alright. P.S. Also I would try …

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Re: Issues with Asus P2B (PCB 1.12)

Posted on 2023-04-25, 14:18

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Overclocked FSB 112MHz causes overclocked AGP 75 MHz on Intel 440BX chipset. It might be an issue.

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Re: Asrock AM2NF3-VSTA

Posted on 2023-02-27, 19:13

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

biessea wrote on 2023-02-27, 18:59: So, the last two messages says two different things. At the end, should I install Windows XP on SSD on NF3 chipset, yes or not? I don't really know what to do. Red pill and blue pill 😀 biessea, you can choose any. And you can try another if the first doesn't work …

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Re: Asrock AM2NF3-VSTA

Posted on 2023-02-26, 19:49

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

NF3 doesn't support AHCI (IDE mode only if non-RAID is selected). Use [RAID] option, and either integrate it's driver to XP install (pre-done ISOs are also fine) or use floppy with "F6" option. I'm sorry but I don't understand ; If I want to put a sata ssd why I should use Raid mode sorry? I don't …

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Re: Modula Tech 386 AT-mainboard, no video, no speaker sound

Posted on 2023-02-24, 19:47

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

majestyk, thanks for the interesting story and bright colorful photos of the interesting mainboard. Good job!

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Re: motherboard schematic e.t.c

Posted on 2023-02-24, 11:03

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Roman555 don't be smart than you think you are . First thing what we do it is not read the documentation .Sometimes you have a motherboard checked , looking good but still "dark monitor screen" . Sometimes documentation can be useful to "find" an atypical error. It's good having hard to find …

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Re: motherboard schematic e.t.c

Posted on 2023-02-20, 16:21

by

by Roman555

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Also, I'd like to remind about a wonderful site https://elektrotanya.com where schematics of not so vintage electronic devices can be found. And if it's allowed I'll attach torrent file for notebook schematics (not modern nor vintage ones from site kythuatphancung). Next example , ALI chipset …

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