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Midwest WTB/WTT: PC-9821 Ce2 or Cs2 Viper "Power MULTi" CPU accelerator board

Covers: North Dakota, South Dakota, Nebraska, Kansas, Minesota, Iowa, Missouri, Wisconsin, Illinois, Michigan, Indiana and Ohio

wyatt8740

New Member
Joined
Nov 28, 2013
Messages
1
Location
Fort Wayne, Indiana, USA
Hi, I've got a friend with three PC-9821 Ce2's and a 9821 Cs2 who wants an accelerator board for one of them. These have no socket on the motherboard, so the accelerators are boards with an inverted kind of socket on them that clips on top of a QFP i486SX to act as an upgrade chip and take over the bus.
Album of photos of some of the Power MULTi boards I've seen

In exchange for a working one, we could either pay money, trade, or trade with some money to make the "value" more fair for both of us if the items are not as valuable.

Some things I think I'm willing to trade off, if any of them strike your fancy:
  • An AT&T 6300 PC (8086, monochrome, fully working with original CRT; 640KB RAM); a reskinned Olivetti M24. - (might need to haggle a tiny bit on this one, but that's mainly because I also need to pay rent this month, and it'd help immensely if I could make just a little money on it.)
  • Atari 5200 service manual
  • Atari 2600 service manual
  • five or six 6507 CPU's (for Atari 2600)
  • Three Wyse WY60 terminal "PC layout" keyboards with Cherry mechanical switches (and one rubber dome one), cleaned up and likely to work
  • Two Wico Command Control red ball joysticks, both working
  • (I need to check this) I believe I've got a few new old stock service center chips in their original "atari service center" packaging for the Atari 5200/800/400. I can see which ones if interested.
  • Boxed (and sealed) copies of OS/2 Warp Connect 3.0 on CD-ROM (red or blue spine; your choice)
  • Boxed (but not sealed) IBM ScrollPoint (first generation) mouse, black PS/2. Uses a trackpoint instead of a scroll wheel for scrolling both horizontally and vertically. Comes with a working floppy diskette with the Windows drivers.
  • HP "Backpack" style parallel port external CD-ROM drive for laptops
  • Toshiba portege 610CT laptop and external floppy drive
  • A Commodore 64C (with old SID) (untested - i have power supplies I could test with, but they're OEM commodore ones so I've been nervous to)
  • Original Infocom Planetfall C64 5.25" disk - untested.
  • Commodore 1541 drive (brown style) - untested but likely working; very clean inside.
  • Citizen 26 pin IDC connector floppy drives for Tandy 1400LT laptop or similar - likely to work, but haven't been used in over ten years.
  • NEC V20 CPU
  • Sound Blaster Audigy 2 ZS
  • Samsung MG2525 amber screen MDA CRT monitor (needs new video D-sub connector; I'd be happy to solder one on for you)
  • New old stock Honeywell S-Video/composite 13" security CRT monitor with original box and manual
  • An Amiga 500 Denise chip
  • A PC-9801-86 sound card with YM2608 - needs recapping.
  • Two Nintendo 64's
  • Two original Game Boys - they need new screens in all likelihood.
  • Thinkpad X60 tablet motherboard with top CPU configuration


Picture of AT&T 6300 - I have no 5.25" disks (that I am willing to sacrifice, anyway), but was told by the person who sold it to me that they worked. I have successfully booted it and used it with my goteks.
I can take pictures of the other things if you want. If you have one but want something I didn't list, ask if I have it.
Hopefully I remember to check this in the next few days.
I'm in northeast Indiana.

I know I haven't done much here, but check on the nesdev forums or maybe ask in the #classiccmp IRC channel and probably someone can vouch for me (I hope). Tepples, one of the nesdev forum administrators, lives in my town and should hopefully be able to vouch for me. Kevtris on the nesdev IRC channel and forum met me very briefly as well.
To admins: I promise it's really me; I know how it looks when a 10 year old account with no posts suddenly acts up.
 
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