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Recent content by DECtechGuy

  1. DECtechGuy

    Vaxstation 4000/60 Power Supply & Monitor Questions

    No worries, I'm also aware of that, as I've had to do a recap for a variant of the same PSU and found that to be the case. Seems as if that was a standard design at DEC to have the fans internal to the PSU. When I was last in it, the fans didn't seem to have any circuitry that would lead me to...
  2. DECtechGuy

    Vaxstation 4000/60 Power Supply & Monitor Questions

    I'd imagine it's full 12v as I've never heard my 4000 or 3100 systems regulate the fan speed, has just been a constant drone.
  3. DECtechGuy

    PATHWORKS info

    7.4 as far as I know was the last and I have no idea where a copy for OS/2 could possibly be. I can definitely answer the licensing. In my tinkering I needed to have the copy of Pathworks licensed on my VAX 4000 for my Windows for Workgroups machine to pull down a license. It was a fussy...
  4. DECtechGuy

    Sun Ultra 5 RAM Upgrade Issue

    So I have a Sun Ultra 5 that has 256MB of RAM in it and I got an identical set of 128MB DIMMs to push it up to 512MB. Only to find that the opening header still says 256MB. Swapped the DIMM pairs and it still says the same, so they all work, just not together it seems. I have OpenBoot 3.25 on...
  5. DECtechGuy

    Imagine the Possibilities, 90s Video

    Bought this VHS off eBay a month or so ago and got around to copying it. I know it's rather dry, but there's VAXes in it!! That makes up for it right? :p https://youtu.be/6Vx2Apv0zLg
  6. DECtechGuy

    Awesome Rainbow setup on eBay

    No relation to the seller and if I had one, it wouldn't be on eBay. :p Wish I was near Maynard right now because this is a nice piece: https://www.ebay.com/itm/dec-Digital-Equ-Corp-original-RAINBOW-100-SYSTEM-ON-STAND-WITH-SOFTWARE-pdp-RUNS-/143346243551?&_trksid=p2056016.m2516.l5255
  7. DECtechGuy

    Adding LA75 printer to VAX 4000

    At a bit of a loss on something so seemingly obvious. :confused: I'm trying to add my newly acquired LA75 to my VAX 4000 running VMS 6.1, but I'm not finding it in the SHOW DEVICES list. The operators manual for the VAX does say I can add a printer to the serial ports, one of which I have the...
  8. DECtechGuy

    Leaking Caps in H7821 PSU

    So one of the capacitors in my VAXserver 3100 decided to start leaking. I had it on and picked up that fishy smell. Poked around and found some residue around the base of a capacitor, great... So these caps are on the far side away from mains input and more on the side of the outputs to the...
  9. DECtechGuy

    DECdirect Interactive Catalog

    Here's something from my collection that I haven't found online, the Fall 1995 DECdirect Interactive Catalog complete with software, hardware, and services listings. Amusingly includes a few games and a program that animates a cat that follows your mouse cursor. Installs on WFW or Win 95...
  10. DECtechGuy

    WTB: DEC MMJ Loopback Adapter

    Just needing one of the things, part number is 12-25083-01 and model number H3103. Could make my own, but it would be neat to have an authentic one.
  11. DECtechGuy

    DEC 17-02294-01 cable

    Hi all, wondering if anyone has the cable in the title. It'll look like a 68-pin SCSI cable with only two female ends. It's for interfacing a DSH32 module with a distribution module for a MicroVAX/VAXserver 3100. Willing to buy and/or pay for shipping! Really appreciate it!
  12. DECtechGuy

    PDP-8/L on eBay

    Break out the popcorn again guys! :p https://www.ebay.com/itm/Digital-DEC-PDP-8-L-/112908905409?&_trksid=p2056016.m2516.l5255 Not mine obviously, because why would I sell such a great looking PDP-8?
  13. DECtechGuy

    DECserver 300 management manual?

    Hey all, I'm wondering if anyone just happens to have the Management manual for a DECserver 300. Bitsavers has every manual except the Management manual which is what I'm needing. I hesitate to ask someone to go to all the trouble of digitizing a hardcopy, but their effort would be...
  14. DECtechGuy

    90s VAXen software auction

    Not my posting, but this just came up in my feed and wanted everyone to be aware of it: https://www.ebay.com/itm/1990-dec-digital-equipment-co-vax-oem-computer-5-1-4-rx50k-10-floppy-disks-set/173224241643 Looks like diagnostic software.
  15. DECtechGuy

    Weird eBay item

    This item showed up in my feed, https://www.ebay.com/itm/Digital-equipment-PMAX/222826212193?hash=item33e17a2b61:g:eP0AAOSwHEhZ--t6 it's labeled as a PMAX and based on my research PMAX refers to the DECstation series, but the case looks like a DECsystem 5000. I'd bid on it, but I don't like...
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