Re: AT power button (mains on/off switch)

Posted on 2024-05-16, 18:44

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That last time I needed one I just got it off eBay. Tons of new ones on there of all different shapes/mounting. ebay is a trash site It is impossible to search anything there without being bombarded with millions of OFF topic search results If I write "at power push button" I get 7000 results for …

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Re: AT power button (mains on/off switch)

Posted on 2024-05-15, 22:43

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That last time I needed one I just got it off eBay. Tons of new ones on there of all different shapes/mounting. ebay is a trash site It is impossible to search anything there without being bombarded with millions of OFF topic search results If I write "at power push button" I get 7000 results for …

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Re: P4 motherboard loose bios settings

Posted on 2024-05-15, 21:50

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

laios67 wrote on 2024-05-15, 16:19: I reset the bios again , longer time shorted , and it seems now ok , shutdown several times the settings are there hope that was just as simple as it seens wonderfull 😀

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Re: AT power button (mains on/off switch)

Posted on 2024-05-15, 21:49

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

anyone ? 🤣

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Re: P4 motherboard loose bios settings

Posted on 2024-05-14, 20:38

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

if you have a multimeter yuu could also follow the 3v power from the battery (with the PC switched off) to the bios and chipset to see if some component like a resistor or trace is interrupting the power I'm afraid that this has to be done , I also saw on youtube that sometimes is the crystal or …

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AT power button (mains on/off switch)

Posted on 2024-05-14, 14:36

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi good folks ! Another noob question of this retro enthusiast.... I have several AT cases that have damaged or missing clunky power switches and I cannot find the correct ones online to order Does anyone know the correct reference or online store that (still) sell this switches ? I want to sell a …

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Re: P4 motherboard loose bios settings

Posted on 2024-05-14, 14:23

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Does the bios keeps any setting at all ? I dont like to say it but *could* be a capacitor issue ... if you have a multimeter yuu could also follow the 3v power from the battery (with the PC switched off) to the bios and chipset to see if some component like a resistor or trace is interrupting the …

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Re: Help identify old hardware

Posted on 2024-05-01, 17:55

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

pentiumspeed wrote on 2024-04-24, 22:33: memory module is from a storage controller by compaq. Cheers, Thanx ! WELL good news 😀 They really are memory modules and they ran fine on a normal consumer Slot 1 motherboard with a Pentium III like a normal SDRAM module 😀 And even with some blinking lights …

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Re: Help identify old hardware

Posted on 2024-04-24, 19:00

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

[...] 20240423_213328[1].jpg Probably ECC SDRAM. It doesn't work in boards that don't support ECC. ECC SDRAM works fine in boards that don't support ECC, just like parity SIMMs work in non-parity boards, you just don't get the error detection/correction. You're probably thinking of registered vs …

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Re: Help identify old hardware

Posted on 2024-04-24, 18:10

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

weedeewee wrote on 2024-04-24, 18:08: the RAM is from a RAID controller. aha ! very interesting I have never seen anything like this

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Help identify old hardware

Posted on 2024-04-24, 16:57

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi everyone ! I found at a recycling center some strange computer parts and I would like to ask the community if you know what this are... This first one is some kinf of SDRAM but seems to can get a battery attached on the back ... It is from Compaq so.... server ? Can I it be used on normal PC ? …

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Re: Advice on starting 2 unknown condition MFM hard drives

Posted on 2024-04-05, 14:34

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Older versions of ontrack disk manager have a low-level formatter. I would advise using the bios routine in the controller card using debug though. If the controller is an rll controller, the routine in the card should do it as rll. Ok last post in this series to anyone that may be interested to …

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Re: All the truth about FM in ALS100 Plus+ cards (includes facts, tech info and tests)

Posted on 2024-03-20, 22:36

by

by Nunoalex

in Marvin \ Sound

in Marvin \ Sound

Great detective work ! I know this thread is 4 years old but I need to ask two things - Can you repost the picures? they have been removed on the original post - I have a similar card that found on a scrap yard and someone removed almost all the inductors Is there a way to know the inductors values …

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Re: Help with wierd POST code - Acer socket 5 motherboard

Posted on 2024-02-29, 21:43

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I dont see any buttons on your card, can it rewind to show past codes? are there any other codes or just this one? BIOS might be corrupted, do you have ability to flash another bios from theretroweb and swap bios chips? thank you for the help no the analyzer card doesn't scroll back past codes... …

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Re: Help with wierd POST code - Acer socket 5 motherboard

Posted on 2024-02-29, 12:03

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

anyone ? :p

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Re: Help with wierd POST code - Acer socket 5 motherboard

Posted on 2024-02-25, 18:27

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Horun wrote on 2024-02-25, 17:23: Acer code 1c is "testing memory refresh". The 5v led is not lit, do you have stable +5v ? Hi! My problem is with code "dC" ... I cant seem to find any reference to it Yes +5v is fine... that post analyzer card has the 5 volt led broken, but its fine

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Help with wierd POST code - Acer socket 5 motherboard

Posted on 2024-02-25, 15:22

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi guys! I got this very interesting ACER V12LC socket 5 motherboard with a Pentium 100 The board is a LPX form factor and I cant make it boot The POST analyzer reports code "dc" I have never seen this post code before. The BIOS chip is ACER not Award or AMI... and I couldn't find any information …

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Re: Quantum Fireball 1.2GB SCSI prices

Posted on 2024-02-12, 18:22

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There are particular drives, particular motherboards, particular monitors, that were used in medical, manufacturing or engineering equipment, even synthesisers and music production equipment, where the thing it is plugged into, is still worth multi thousands and may be hundred of thousands for …

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Re: Quantum Fireball 1.2GB SCSI prices

Posted on 2024-02-12, 18:20

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by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

TheMobRules wrote on 2024-02-12, 16:03: It's probably a model that was used in old Macs or something. Everything related to Mac or Amiga (even if it's just a regular item like a SCSI drive) tends to be absurdly priced. It does has the Mac logo ... 🤣 But cant you use a regular SCSI hard drive on a …

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Re: Quantum Fireball 1.2GB SCSI prices

Posted on 2024-02-12, 15:24

by

by Nunoalex

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Zerthimon wrote on 2024-02-12, 15:20: These model drives are known for the degrading rubber pad, that latches the head deadlock. I highly recommend avoiding these. Mine works fine But yeah I've had Quantum drives where those (there are 3, 2 in the head assembly and 1 under the platters ) stoppers …

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