19 Jul
2003
19 Jul
'03
3:40 p.m.
i suppose it could be a plain old memory board, but 1992 seems very late
for that (but still classic :-).
the faceplate has two stickers, one for the serial number (1074) and the
second has "HYPERTEC R9_BC HRAM CL EX SIMM".
http://www.jfc.org.uk/misc/card-small.jpg [80 KB]
http://www.jfc.org.uk/misc/card.jpg [432 KB]
does anyone have any ideas about this card?
--
J.F.Carter http://www.jfc.org.uk/
19 Jul
19 Jul
7:15 p.m.
it's just a plain old memory board :)
At 01:40 AM 7/20/03 +0100, you wrote:
i suppose it could be a plain old memory board, but
1992 seems very late
for that (but still classic :-).
the faceplate has two stickers, one for the serial number (1074) and the
second has "HYPERTEC R9_BC HRAM CL EX SIMM".
http://www.jfc.org.uk/misc/card-small.jpg [80 KB]
http://www.jfc.org.uk/misc/card.jpg [432 KB]
does anyone have any ideas about this card?
--
J.F.Carter http://www.jfc.org.uk/
20 Jul
20 Jul
1:39 p.m.
could it be a ram card to upgrade an AT systems ram?
On Saturday 19 July 2003 19:35, James Carter wrote:
i suppose it could be a plain old memory board, but
1992 seems very late
for that (but still classic :-).
the faceplate has two stickers, one for the serial number (1074) and the
second has "HYPERTEC R9_BC HRAM CL EX SIMM".
http://www.jfc.org.uk/misc/card-small.jpg [80 KB]
http://www.jfc.org.uk/misc/card.jpg [432 KB]
does anyone have any ideas about this card?
11:45 p.m.
On 20 Jul 2003, James Carter wrote:
i suppose it could be a plain old memory board, but
1992 seems very late
for that (but still classic :-).
the faceplate has two stickers, one for the serial number (1074) and the
second has "HYPERTEC R9_BC HRAM CL EX SIMM".
Looks like an address-selectable upper-space memory board. These were
often used in conjunction with EMS/LIM drivers to allow for drive caches
and the like- I still have an AST RAMpage card for that... could have up
to 8x 1MB SIMM. I only used it with 8x256KB, as 1MB's were out of my
reach, then.
The "starting address" stuff probably sets an address in the upper mem
range (C0000 - EFFFF) of the peecee, where you can tell the LIM/EMS
drivers where the extra memory is, and how "deep" (how many pages) it
is.
--f
7673
days inactive
7675
days old
3 comments
4 participants
participants (4)
-
geoffr＠zipcon.net -
james＠jfc.org.uk -
jdickens＠ameritech.net -
waltje＠pdp11.nl