10 Nov
2000
10 Nov
'00
6:49 a.m.
On Fri, 10 Nov 2000 12:12:07 -0500 Douglas Quebbeman
<dhquebbeman(a)theestopinalgroup.com> writes:
like
Has two *really* fast DMA channels. It was used alot in embedded
applications where you hade to move a lot of data really fast.
Frequently found on SCSI disk controllers (among other things).
The MAD-186 by MAD computers was a PC 'sorta compatible', I used
to have (it was re-badged by TELEX). It used an 80186.
The 3Com 3Server3 was another computer (well, okay, fileserver)
that ran a modified MS-DOS (2.x, IIRC), had embedded SCSI (actually
SASI), ethernet, and serial/parallel interfaces. It also used
the 80186.
Jeff
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>I am
restoring a TRS80 model 2000 (1983), one of the rare machines
to
use an
actual 80186 Intel CPU.
An 80_1_86? Really. I guess I was never aware that there was one that ever made. I always thought they jumped
from the 8086 to the
80286
CPU.
Do you have any stats on this little baby?
Same as the 8086/8086 except:
slight difference in PUSHF & POPF
has ENTER and LEAVE instructions
Anyone else remember anything else? 
10 Nov
10 Nov
10:34 a.m.
On Fri, 10 Nov 2000, Jeffrey l Kaneko wrote:
On Fri, 10 Nov 2000 12:12:07 -0500 Douglas Quebbeman
<dhquebbeman(a)theestopinalgroup.com> writes:
> > >I am restoring a TRS80 model 2000 (1983), one of the rare machines
> to
> > >use an actual 80186 Intel CPU.
> >
> > An 80_1_86? Really. I guess I was never aware that there was one
> like
> > that ever made. I always thought they jumped from the 8086 to the
> 80286
> CPU.
> >
> > Do you have any stats on this little baby?
>
> Same as the 8086/8086 except:
>
> slight difference in PUSHF & POPF
> has ENTER and LEAVE instructions
>
> Anyone else remember anything else?
I believe that the NEC V40 was a drop in (enhanced) replacement
for it.
- don
Has two *really* fast DMA channels. It was used alot
in embedded
applications where you hade to move a lot of data really fast.
Frequently found on SCSI disk controllers (among other things).
The MAD-186 by MAD computers was a PC 'sorta compatible', I used
to have (it was re-badged by TELEX). It used an 80186.
The 3Com 3Server3 was another computer (well, okay, fileserver)
that ran a modified MS-DOS (2.x, IIRC), had embedded SCSI (actually
SASI), ethernet, and serial/parallel interfaces. It also used
the 80186.
Jeff
________________________________________________________________
YOU'RE PAYING TOO MUCH FOR THE INTERNET!
Juno now offers FREE Internet Access!
Try it today - there's no risk! For your FREE software, visit:
http://dl.www.juno.com/get/tagj.
11:44 a.m.
At 01:34 PM 11/10/00 -0800, you wrote:
I believe that the NEC V40 was a drop in (enhanced)
replacement
for it.
Don,
I thought that the V40 was supposedly an unreleased drop-in replacement
for the 80286, meant to improve performance over the Intel parts the way
the earlier chips did for the 8086/88?
Jeff
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Home Of The TRS-80 Model 2000 FAQ
7:29 p.m.
On Fri, 10 Nov 2000, Jeff Hellige wrote:
At 01:34 PM 11/10/00 -0800, you wrote:
You may well be correct in part, Jeff. But since it was used in the
Ampro Littleboard/PC I'm sure that it was released.
- don
I believe that the NEC V40 was a drop in
(enhanced) replacement
for it.
Don,
I thought that the V40 was supposedly an unreleased drop-in replacement
for the 80286, meant to improve performance over the Intel parts the way
the earlier chips did for the 8086/88?
8697
days inactive
8698
days old
3 comments
3 participants
participants (3)
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donm＠cts.com -
jeff.kaneko＠juno.com -
jhellige＠earthlink.net