7 Feb
7 Feb
11:37 a.m.
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3:13 p.m.
On Sat, 7 Feb 1998 17:37:14 +0000 (GMT), you said:
I have a card with almost that exact description labeled TELEX.
The header at the top is labeled:
"Graph"
Expansion Interface
(Quotes on the card) Anybody want it?
_______________
Barry Peterson bmpete(a)swbell.net
Husband to Diane, Father to Doug,
Grandfather to Zoe and Tegan.
In that supply
room, there are about 25 shrink-wrapped boxes of somethin
called "IBM 3270"; I was wondering what it was-have no clue myself.
It might go with the 11 full length 8-bit IBM PC cards, that have BNC
connectors on them. This is why I asked what an IBM 370 was earlier-
it acts as a host for this.
I have what I believe to be an interface card from a 3270 PC here. It's a
full-length 8 bit card with PC/3278 on it. The main chips are :
N8X305N (microcontroller)
3 off ROMs (15527-15529, Copyright 1983)
4 off 6116 RAM
DP8340 and DP8341 (Some kind of interface chip...)
Assorted TTL glue
Passives, including a reed relay
There's a single BNC connector on the bracket. There's also an expansion
edge connector at the top front, which seems to be linked to the ROM
pins/the microcontroller. 
3:37 p.m.
Tony.
I just happened to have my cards out for cleaning.
Yours seems a bit different. I wonder if it's earlier or an expansion
card for the pc/xt to give it 3270 comm capability.
My connection card has:
The BNC
2x8435
a BUNCH of gates or st, these 74L???
no memory that I can see (the computer has 640k)
a clock/crystal marked 14.1523 mhz (1589449)
Some IBM chips
2x 5617135
????
I dunno...
Mike
Tony Duell wrote:
I have what I believe to be an interface card from a
3270 PC here. It's a
full-length 8 bit card with PC/3278 on it. The main chips are :
N8X305N (microcontroller)
3 off ROMs (15527-15529, Copyright 1983)
4 off 6116 RAM
DP8340 and DP8341 (Some kind of interface chip...)
Assorted TTL glue
Passives, including a reed relay
There's a single BNC connector on the bracket. There's also an expansion
edge connector at the top front, which seems to be linked to the ROM
pins/the microcontroller.
-tony
11:56 a.m.
Max:
Yeah, I'd say, sight unseen, that those are 3270 emulator cards and the
requisite software for terminals between the pcs and the mframes.
-Mike
Max Eskin wrote:
From classiccmp-owner(a)u.washington.edu Fri Feb 6
20:06:09 1998
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Date: Fri, 06 Feb 1998 21:06:50 -0700
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From: Mike Allison <mallison(a)konnections.com>
To: "Discussion re-collecting of classic computers"
<classiccmp(a)u.washington.edu>
Subject: 3270pc, 5272, 5271 stuff wanted
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If you have any 3270pc stuff laying around, I'm still in the market for
documents, software, parts, pieces or systems. Lemme know.
In that supply room,
there are about 25 shrink-wrapped boxes of somethin
called "IBM 3270"; I was wondering what it was-have no clue myself.
It might go with the 11 full length 8-bit IBM PC cards, that have BNC
connectors on them. This is why I asked what an IBM 370 was earlier-
it acts as a host for this.
______________________________________________________
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4 comments
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participants (4)
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ard＠p850ug1.demon.co.uk -
bmpete＠swbell.net -
mallison＠konnections.com -
maxeskin＠hotmail.com