Grant Taylor wrote:

Guy sent the following post to the cctalk mailing list:

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I'm clearing out some old stuff. These are free (but you pay postage) if
anyone wants them.
Catch: they are in Sydney Australia.

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Digital Communications Associates Inc. Circa 1985
IRMAlink IRMA 2 3270 Micro-to-Mainframe communications
IRMA 2 supplies the personal computer with direct coaxial connection
to an IBM 3174, 3274, 3276 or Integral Terminal Controller with Type A
adapters.

Includes two completes sets, each: card + documentation + 3 x 3.5" disks
with code and drivers.
Not in original packing.

See http://everist.org/spacejunk/sell/irma.htm

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DigiBoard MC/8e Intelligent Async serial communications board (8 ports)
Circa 1993
One microchannel card plus octopus cable and manuals. Some manuals still
in sealed envelopes.

In original packing

See http://everist.org/spacejunk/sell/mc8e.htm
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Microchannel was introduced in 1987 (32 years ago). It (and EISA and
VLB) got superceded by PCI back in 1993 (26 years ago), so only a 6-year
lifespan. Since it was an IBM proprietary bus architecture, I stayed
away from it. Plus, IBM was the worst advertiser of their products.
Remember OS/2 Warp? Remember the commercials that tried to advertise
OS/2 Warp?

https://www.youtube.com/watch?v=G6YZbrhBhjQ
https://www.youtube.com/watch?v=DloCrXU3koY

As bad as those jean commercials that never mentioned they were trying
to sell jeans.

That'll be some very ancient hardware for needing new or replacement
microchannel cards. I think the guy just doesn't want to pay the fee to
dump the old stuff at a hazards disposal site.