3 Apr
2017
3 Apr
'17
1:56 a.m.
This card is sitting in a IBM RT PC.
http://i.imgur.com/Adqnxr3.jpg?1
What kind of card is it? The WD1935 seems to be a SDLC chip. I cannot find
any reference to the numbers P/N 6247874 (bottom layer etch) or the number
on the sticker on the backside: 6247871G001
It is connected to an IBM marked dongle which has 4 BNC connectors.
Is it a 3278-3279 emulation board?
/Mattis
3 Apr
3 Apr
2:05 a.m.
On 4/3/2017 1:56 AM, Mattis Lind via cctalk wrote:
This card is sitting in a IBM RT PC.
http://i.imgur.com/Adqnxr3.jpg?1
Possibly an RTIC card, with the 68000 on it.
Might be a controller.
The 3278 is the same as the PC/AT one. The 3278 doesn't use anything
like a 68000 co-processor.
thanks
Jim
What kind of card is it? The WD1935 seems to be a SDLC
chip. I cannot find
any reference to the numbers P/N 6247874 (bottom layer etch) or the number
on the sticker on the backside: 6247871G001
It is connected to an IBM marked dongle which has 4 BNC connectors.
Is it a 3278-3279 emulation board?
/Mattis
4:57 a.m.
That is the adapter card for connection to a 5080 graphics system. See
page 2-47 and 2-48 in manual at
http://ohlandl.ipv7.net/6152/RT_PC_User_Setup_Guide.pdf
The 5080 system was a high performance graphics processor originally
hosted by 370 systems but adapters where made to host them on RTs and
later on RS/6000.
Paul
On 2017-04-03 5:56 AM, Mattis Lind via cctalk wrote:
This card is sitting in a IBM RT PC.
http://i.imgur.com/Adqnxr3.jpg?1
What kind of card is it? The WD1935 seems to be a SDLC chip. I cannot find
any reference to the numbers P/N 6247874 (bottom layer etch) or the number
on the sticker on the backside: 6247871G001
It is connected to an IBM marked dongle which has 4 BNC connectors.
Is it a 3278-3279 emulation board?
/Mattis
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jwsmail＠jwsss.com -
mattislind＠gmail.com -
phb.hfx＠gmail.com