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Recent content by chris527

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    Please Help ID a Bios Chip

    Thanks for the Data sheets, they will be helpful to me in the future, The only marking on both chips begins with H.T. like in the picture I posted. No markings on the bottom. When I searched the database in the programmer software, I tried quite a few other numbers you gave me to search, I then...
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    Please Help ID a Bios Chip

    So I played around until i found one that passed, EN29F010, I had two motherboards with the same chip markings and both went well. Thanks again, Chris
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    Please Help ID a Bios Chip

    Thanks for that Info, I'm all done for the night, will give it a go tomorrow. I will look for the Id thing as well. Chris
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    Please Help ID a Bios Chip

    Hello All, Thanks in advance for any help. I'm trying to read a bios chip from a Amptron PM8600. I have a XG pro with updated firmware but at a loss with the markings on the chip on what to try. The Chip -->> Anybody know what manufacturer this might be or it...
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    The green has invaded from a Varta battery

    Hey Seaken, About a year ago I started to get Interest in doing some repairs on my boxes of old pullouts and upgrades I have done over the last 30 years. Component level repair was new to me and really started liking it. I had 1 board that I thought was toast because of the green creep all over...
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    Landmark Original Diagnostic System

    I will get the Images and scan the manual, When I'm done I will figure a way to get this out there, I learned a lot here already, Time to give back. I have boxes of older 286, 386 and 486 manuals also, I believe from what I have seen, most of them are already out there but I have to re-check. I...
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    Landmark Original Diagnostic System

    As Long as it does not break any rules here about copyrighted material or Ex-Copyrighted stuff, Heck Im still being moderated here so perhaps I might better hear from somebody before I do. I would have no issues doing so as long as the Mods are good with it.
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    Landmark Original Diagnostic System

    So i was able to get a Dump from the PC/XT Rom and its Clearly dated 1998, I did try the AT Roms but the data does not look correct, kind of gibberish. Will have to try to figure that out or compare it to the version thats already posted on MinusZero's website. Thank you guys for the help.
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    Landmark Original Diagnostic System

    My Shipping date was 1992 on the box. Thanks for doing that.
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    ATX Turbo XT mainboard project revision 3 - now released on GitHub

    Amazing project, I looked your work on Github, looks like you spent a Ton of time on it. Very Impressive.
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    Landmark Original Diagnostic System

    Here are the chips with the stickers peeled back. XT ROM AT ROM
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    Desoldering components video from PACE

    Good Stuff, Like the labcoat.
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    Landmark Original Diagnostic System

    Hi All, I did a Intro a bit back, I have been cleaning out stuff from my Computer shop and I Remembered I had this, I think I only used it once. I held off posting until I ordered a Xgecu T-48 Programmer. I managed to get it Installed but would definitely like to preserve those Eproms. I have a...
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    Hello All

    I live a little North of you in the Saratoga Region. I have been cleaning years of business records and found a few of these I used as business expenses, Do you remember Tri-State computer shows ?
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