On 9/26/20 5:22 AM, Grant Taylor via cctalk wrote:
On 9/25/20 10:38 AM, Glen Slick via cctalk wrote:
If the Adaptec 2940 BIOS seems to detect the disk I wonder what would
happen if DOS was set up on the system and ASPI8DOS.SYS was loaded.
Would the Adaptec 2940 and ASPI driver respect the BIO
On 9/23/20 8:54 PM, Grant Taylor via cctech wrote:
On 9/23/20 12:51 PM, Michael Engel via cctech wrote:
Do you know if is there another OS which would make it easier to
change crucial SCSI parameters in the driver (config) or maybe a
specialized tool that could help me to image the disk?
T
Hi,
still working on backing up the Tektronix 440x disks. My current problem
is that the ACB4000 SCSI-to-MFM adapter doesn´t support SCSI parity.
I finally managed to find a PCI SCSI controller (Adaptec 2940) and a
Pentium 4 PC with PCI slots and installed OpenBSD 6.7. I disabled parity
chec
I managed to take some pictures of our Tektronix Smalltalk machines today:
https://multicores.org/pictures/Tektronix_440x/
Both 4404s are identical, including the firmware versions in the EPROMs.
The 4406 is a bit harder to disassemble, this will take some more time.
All of the photos inside thi
Hi,
> On 15 Sep 2020, at 20:24, Rico Pajarola via cctech
> wrote:
>
> Does anyone have the Sun SPARCstation ELC Installation and repair guide?
>
> I have a few naked ELC boards and I'd like to know what that edge connector
> does (presumably power and video) and if feasible build something fro
> On 15 Sep 2020, at 23:19, Al Kossow via cctalk wrote:
>
> On 9/15/20 2:09 PM, Michael Engel via cctalk wrote:
>
>> And what I thought were simple Tektronix vector terminals turned out to be
>> two Tektronix
>> 4404 machines and one 4406 - the 68010/020-b
iz via cctalk
> wrote:
>
> On Mon, 14 Sep 2020 15:35:50 +0200
> Michael Engel via cctalk wrote:
>
>> Some things I could not find so far are the mouse and the console
>> cable for the Explorer. It seems that the mouse is related to
>> MouseSystems optic
Hi,
first, a big "thank you" to all of you who support me with my attempt to
get our Explorers and Xerox Stars to run again. I´ll head down to the
basement in the afternoon to see if I can build a system that is able to
image the Explorer not-quite-SCSI disks (according to the documentation,
Hi Josh,
whow, seems it's my lucky day :) - thanks a lot for the offer!
> On 14 Sep 2020, at 18:00, Josh Dersch wrote:
>
> I've restored a Star/1108 (and wrote a Star emulator) and am in the middle of
> an Explorer restoration, I'm happy to help out where I can.
>
> I'd recommend picking up a
Another update on the Explorer mouse...
> On 14 Sep 2020, at 21:39, Michael Engel via cctech
> wrote:
>
> So it should be easy to build one in case I can't find the original one. It
> seems that there was
> also a later non-optical mouse version that looked similar to early Genius PC
> mice.
Hi,
thanks Ian - I think I found the pinout, it was hidden in TI's Display Unit
General Description
(http://bitsavers.org/pdf/ti/explorer/2243151-0001A_displ_Jun86.pdf), Fig. 4-6
- not in the
Field Service Manual where I expected it...
The mouse has a simple quadrature-encoded output (like At
Hi,
for a planned exhibition, I am thinking of restoring two of the machines
to working state again that are in storage here for decades:
- A TI Explorer ("Sperry" labeled)
and
- A Xerox Star (no idea if ours actually ran Interlisp or one of the
other OSes for the Star/Dandelion)
There is "
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