Upgrade to 2MB TSeng VLB

Posted on 2020-04-04, 12:40

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Recently I got this card. I noticed that it has empty solder points for DRAMs and decided to upgrade it to fulfill memories. I soldered 8x dip20 sockets and 8x 100nF capacitors. After put 8x MB81C4256A-70 - unfortunately the screen is glitching. Probably 74F04 circuit and PAL/GAL is also needed ( …

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Re: Is it possible to bypass laptop battery check to update bios?

Posted on 2020-03-23, 23:37

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had similar problem with my Thinkpad 755 (which couldn't bypass bios updater for checking battery level) Finally I disassembled all parts, desolder tsop flash and manually program it. Next solder it to board and assembly all parts. Great satisfaction at end 😀

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Re: HighEnd BabyAT boards for Pentium3

Posted on 2020-03-23, 12:34

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

means with P3 support @133 via Powerleap or similiar (not early celeron/P2). I couldn't find another boards except Shuttle HOT-685 (but it has only 1x ISA). About space = it is a nature of baby at obviously.

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Re: HighEnd BabyAT boards for Pentium3

Posted on 2020-03-23, 11:04

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

No ISA, ATX... not mine area 😀

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HighEnd BabyAT boards for Pentium3

Posted on 2020-03-22, 22:13

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Currently my primary choice is ASUS P2B-B 1.02 with P3 1.4 @133. Recently I tested Gigabyte GA-6VA7+ and is also fine (in some aspects is better than ASUS). Do you know about another decent models?

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ASUS P65UP5

Posted on 2019-10-16, 23:01

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Does anyone have rev 2.04 of this mobo and can share quality photos? I couldn't find clear photo on the web. Inside ASUS manual the picture is not so clear. Especially version with LM78 is rare (I have 2 mobos 1.41 without it). And the second question: is safe to run 2.0V PII (333/66) on C-PKND …

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Re: Roland SCP-55 and SoundBlaster

Posted on 2019-09-25, 16:35

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There is no settings for music. I don't think so that speech is midi composition 😀 I guess that WAVs files in resources. http://maciejewski.com/public/diablo_scp.mp4

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Re: Roland SCP-55 and SoundBlaster

Posted on 2019-09-25, 12:30

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

not exactly because plays music of Diablo1 😀

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Roland SCP-55 and SoundBlaster

Posted on 2019-09-24, 22:40

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is possible to set SoundBlaster compatibility? MIDI plays fine on Doom95 but no SFX sound...

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Re: Sound hardware not detected on Thinkpad 755CX laptop (Win98SE install)

Posted on 2019-09-05, 23:32

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Maybe is this thread too old but if you can then please send me a PM (I don't have privileges)

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Re: PC Chips M912 BIOS update for Am5x86 and Cyrix 5x86

Posted on 2019-08-08, 21:53

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What is the latest Award bios for this mobo? I prefer Award then AMI and would like to update to the latest possible version (mine is from 11/01/94)

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Upgrade CT2760 from CT3900

Posted on 2019-05-03, 09:31

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is worth to replace CT1703 ( from dead CT3900 ) into CT2760? I didn't check about pinout but I guess that they are the same. After that CT2760 should be the best AWE32?

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Re: Can't send PM

Posted on 2018-11-07, 20:52

by

by mt777

in Milliways

in Milliways

I didn't see proper sub-forum. Maybe is hidden also? I very like to send PM to admin to get the explanation but it is not possible.

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Re: Can't send PM

Posted on 2018-11-07, 17:39

by

by mt777

in Milliways

in Milliways

What exactly count?

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Can't send PM

Posted on 2018-11-07, 11:01

by

by mt777

in Milliways

in Milliways

Sorry for that post but I couldn't find non-hardware category in this forum. I can't send PMs. Also I can't send PM to administrators. What are limits (membertime or posts count)? Quote from FAQ: I cannot send private messages! There are three reasons for this; you are not registered and/or not …

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Re: Damaged CT1900

Posted on 2018-11-05, 19:44

by

by mt777

in Marvin \ Sound

in Marvin \ Sound

I cannot send PMs so please moturimi1 let me know (if you read this)

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Re: Damaged CT1900

Posted on 2018-10-30, 16:00

by

by mt777

in Marvin \ Sound

in Marvin \ Sound

I tried to desolder U7 rom using gun with electric pump but legs were very loose, shell also was broken and couldn't pull out it in one piece. I thought that the second chip will be untouched but it was also broken (and circuit inside). So @moturimi1 if you can dump them then please. I am not hurry …

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Re: 486 - battery leaked and non working keyboard

Posted on 2018-10-28, 23:11

by

by mt777

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I spent much time to inspect area near accu but at the bottom layer one trace was broken. Now keyboard is working 😀

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Re: Damaged CT1900

Posted on 2018-10-28, 20:48

by

by mt777

in Marvin \ Sound

in Marvin \ Sound

Yes, Forklift' driver touched a bag where inside were these cards. After his work the seller wanted to send me them. Initially, I thought that it is a joke or someone would pay more for them.

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Re: Damaged CT1900

Posted on 2018-10-28, 18:45

by

by mt777

in Marvin \ Sound

in Marvin \ Sound

Thanks. Soon I will desolder ROM. Currently I desolder damaged components from the CT1740 but the worst job will be fix broken traces at the bottom layer.

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