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    Zenith Data Systems ZMV-3926-GM Info wanted

    I can't seem to find any documents related to a Zenith Data Systems ZMV-3926-GM. I'd like to learn about the motherboard. It got a ZMM149-P monochrome model with it.
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    Silicon Graphics SGI Workstation

    I have a Silicon Graphics SGI Keyboard RT6856T 006-0002-001 for sale. I took apart the entire keyboard, include removal of all keycaps. Everything was washed and cleaned (mylar matrix was air cleaned) This keyboard was sold with Silicon Graphics (SGI) computers with MIPS CPUs and the Irix...
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    Sun Microsystems Ultra 1 Workstation

    I purchased a Sun Sparcstation 20 from a local dealer and this case was included in a separate box. However, this (top) case is to a Sun Ultra 1 Workstation !! Sadly for me, it won't fit my Sun Sparcstation 20. I'd like to sell this case and use the funds to locate and buy a Sun Sparcstation 20...
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    Anyone own a DEC PC 3500/5510

    Wondering if anyone owns this machine? I bought it as part of a bundle. It was pretty yellow when I got it but thankfully, it booted. The machine came with... Windows NT (but had security password) CD-ROM drive 3 GB IDE drive ISA Card Lan port Onboard 2 USB 1.0 ports Think RAM was 128MB...
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    WTB: Sun Sparc Station 20 Top case

    I want to buy a Sun Microsystem Sparcstation 20 top of case. I just need the top as I have the bottom. Actually, I could also use the triagle-like corner piece as well. If you have the entire case, that is fine too. p.s. This is the third time I have posted this WTB. Think MODs keep deleting...
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    Working with a PWM to control a 2-pin case fan

    I have a case fan that is 2-pin. I tried a few devices alas they didn't work. I finally came across the gadget below. https://www.ebay.com/itm/DC-12v-3a-2pin-PWM-PC-CPU-Fan-Temperature-Control-Thermostat-Speed-Controller/383949048898?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649...
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    Sun Microsystems Sparcstation top case

    I have a Sun Microsystems Sparcstation 20 and it came with an Ultra 1 top case. Obviously, the Ultra 1 case doesn't fit a Sparcstation. (I'm selling the Ultra 1 case). I figure someone must have a top case to a damaged/non-working unit. I thought about 3D printing the top case. That's a huge...
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    Upgrade Pent II in my DIGITAL PC 3500/5510

    I have a DEC DIGITAL PC 3500/5510. It has a 300Mhz Pentium II. The motherboard is based on the Intel 440LX chipset. The service manual covers the processor clock speed switch settings. It lists the following speeds: 133 166 200 233 266 300 333 366* 400* 433* 466* 500* 533* *Reserved for future...
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    Tandy Line Printer 5, NEC 8300A notebook and Sun Microsystems Ultra 1 Case

    I have a few items for auction that may be of interest to the community: NEC PC8300A notebook (aka TRS-80 Model 100 cousin) https://www.ebay.com/itm/265088680710 Tandy Radio Shack Line Printer V 26-1165 (TRS-80, Dot Matrix Printer) https://www.ebay.com/itm/265088741933 Sun Microsystems Ultra...
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    Hazeltine 1510 Terminal

    I just picked up a Hazeltine 1510. 8080, 2K, etc It looks to be in good shape. After I clean it up and inspect the inside, I will give it a go. I saw a YouTube video and it has a nice way to show text. I'm thinking to get a wifi modem and connect to it. Maybe get a null modem cable and...
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    Force a 1.4MB 3.5" to only act as a 720K drive? (CoCo)

    I want to utilize a 3.5" drive on a TRS-80 Color Computer. Setting the Radio Shack drives aside, that using a 5-1/4", the floppy controller is limited to 360K drives. And for 3.5", the floppy controller is limited to 720K disks. 360K disk drives are hard to find, but 3.5" 1.4M drives are...
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    Looking for Amdek Color 1 Monitor Service Manual

    I have seen the Service Manual for the Amdek Color 1 Monitor on eBay, but its not cheap. Does this manual exist online? I also know that Sams Fact also released a service guide for it. Need to restore one I bought. Thanks,
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    Digital RX180AB Floppy Drive Unit - NEW/SEALED

    Hello all, I am posting this for a friend. They are selling it on the mobile app 'OfferUp'. You should be able to go to the link though on a desktop computer. This is a super clean, and never used floppy drive unit...
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    TRS-80, Fortran, Altair, MSX Z80 System, etc for sale

    Tandy Radio Shack TRS-80 Computer Rotary Screen Printer 9First Model I printer) http://www.ebay.com/itm/264621482461 Tandy Radio Shack TRS-80 Computer Model I Documents Bundle http://www.ebay.com/itm/264621486921 National CF2700 MSX Z80 8-bit Japanese Computer (nice condition!)...
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    Heathkit Product Catalogs

    Got some nice HeathKit product catalogs for sale. Gonna list my HeathKit scope next. :-) http://www.ebay.com/itm/264404860947 cheers
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    X10 Home Automation Modules (Attn: TRS-80 CoCo users)

    There was a X10 home automation module for the TRS-80 CoCo. I have listed some modules that some owners may be into. Think other platforms also had some control units like the CoCo, http://www.ebay.com/itm/264404860729
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    Sord M68

    Anyone own a Sord M68? I need keyboard pinout and monitor pinout. Any technical info, documents, etc would be helpful too.
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    6800 / 6809 Manuals/Docs, etc

    Howdy, I am putting together a site devoted to the 6800 and 6809. Would appreciate any donations of documents, manuals from systems that used these CPUs, schematics, etc etc... Thanks!! Carlos
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    Japanese MSX Z80 Machine, Heathkit computers catalogs, and more

    Howdy, I have some items that may be of interest... National (Panasonic) 32K MSX Computer from Japan http://www.ebay.com/itm/264403901320 Heathkit Bench Power Supply http://www.ebay.com/itm/264397609009 Heathkit Computer Catalogs http://www.ebay.com/itm/264404860947 Heathkit Printer...
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    SDOS (OS for 6800 and 6809)

    Was chatting with Ira Baxter, who wrote SDOS... and early OS for the 6800 and 6809 machines. He said that his sources were all on a hard drive that crashed and he hasn't gotten around to trying to restore the hard drive. The manuals for SDOS is on bitsavers... but no disks.. He did say he...
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