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mnbvcxz
October 17th, 2014, 05:17 PM
I've spent a couple of days googling for information about these systems, A lot of hits but few sources and what there was, was very shallow.
So can anyone tell me about these systems, where they the same machines? aimed at different markets? names changed for some reason?
Thank you for any responses.

Marty
October 17th, 2014, 06:11 PM
Hi All;
I worked with TI 990/10's and 990/12's, and they were a MiniComputer that TI made for awhile..
I think they were an Off-shoot of the Previous, 980's and 960's.. But, I don't know for sure..
They were mainly a 16 bit machine, but, (Like DEC and so many others) with Memory Management they could address more Memory..
I don't know anything about DS990, I vaguely remember hearing that number, but could not tell you anything about what it was..
My main question is "Why" are You inquiring about these machines ?? Do you have an interest in them or just wondered since you saw something about them in a article..
So, I can better answer Your inquiry..

JDallas
October 17th, 2014, 06:26 PM
Did you see these? Probably need to find out who the owner is to get any documentation:
http://www.vintagecomputer.net/ti/TI-990-101/
Last time I saw one was in '79 for a computer science class.

Marty
October 17th, 2014, 06:39 PM
Hi All;
JDallas, These are mainly for a 990/4 or some other 9900 type of machine.. That used the 9900 Ic, where as the 990/10 and 990/12 used Ic's (7400) types to make the CPU.. The CPU/ALU was on two Boards for the /10..

Here is a TI 990 WireWrap Board, that is different than the Ones You refer to..

21032

THANK YOU Marty

mnbvcxz
October 17th, 2014, 06:42 PM
Thanks for the replies,

@Marty,
I am interested in these because I am interested in the 9900 microprocessor which was based on the ti 990, I have long known that the ti 990 were a series of minicomputers and recently became aware of the ds 990 series and wondered what the relationship between the two series was.
From google images I see that the ti 990 used terminals and that the ds 990 model 1 was contained within a (large and ugly) desktop case, but I have also see adverts for ds 990 systems which appear to have the ti 990 minicomputer as part of the system, so if they were marketed as ds 990, were any systems marketed as the ti 990, to whom? or when?

mnbvcxz
October 17th, 2014, 06:44 PM
@JDallas, yes I have seen those boards, they were a sort of development system for controller type duties.

Marty
October 17th, 2014, 06:56 PM
Hi All;
I think it was the kind of Customer that the system was geared to as to what It was called.. Also, Remember that the 9900 could NOT do what a 990/10 or 990/12 could do.. It was a Parred down instruction set..
If it was Just a Ti 990 chassis and a Terminal for say Industrial use it was a TI 990 System..
But, If it was a Total Package with Video Terminals, Up and Down Loading, Via Phone, System Software like COBOL, or Fortran.. Then the Total Package was a DS990 SYSTEM..
Yes, I think I had a DS990 model 1, It was about a 3 foot high Table unit that the Video Terminal that could sit on top of it and have the Computer underneath it.. They came out in the 1980's..
If, I remember corrrectly, they were used for accounting and for pharmaceuticals.. We sold alot of Memory Boards and Controllers for those Memory Boards, and later Disk Controller Boards for these TI 990 Systems..

THANK YOU Marty

mnbvcxz
October 17th, 2014, 07:04 PM
I can imagine that their minicomputer line evolved into the ti 990 and was sold to industrial, resarch and commercial customers, then the marketing department got involved and created the ds 990 range for office use, but I am just guessing.
If anyone has approximate dates for the introduction of each range that might help.

Marty
October 17th, 2014, 07:14 PM
Hi All;
'' then the marketing department got involved and created the ds 990 range for office use, but I am just guessing. ""
I would say that You probably are pretty close to the Truth..
When I started with the Company in about 1982 TI 990's were already established, and when I left the company in about 1992, they were still selling boards for the Ti 990's, but not as much.. And it was not too many years later that they stopped selling 990 support boards.. I can Remember, having about 6 stacks about 4 to 5 foot tall of nothing but old TI990 Memory Boards, that we took in for Trade on one Of our Own Boards for the TI 990..

THANK YOU Marty

mnbvcxz
October 17th, 2014, 07:16 PM
http://www.old-computers.com/museum/computer.asp?st=1&c=1025

Marty
October 17th, 2014, 07:25 PM
Hi All;
Thank You for the Picture, that is NOT what I had in mind.. I have NEVER seen one of those in the picture..

THANK YOU Marty

Al Kossow
October 17th, 2014, 09:08 PM
few sources and what there was, was very shallow.


Apparently, you're thinking of the the 990/4, which is the member of the 990 family with a 9900 processor.
It has no memory mapping, so it can't run the normal DX-10 or DNOS operating systems.

Try http://bitsavers.org/pdf/ti/990/ds990 and 990-4
I'm not quite sure you're going to find much more than that 30+ years out from when these systems were in use.

mnbvcxz
October 18th, 2014, 01:27 AM
Apparently, you're thinking of the the 990/4, which is the member of the 990 family with a 9900 processor.
It has no memory mapping, so it can't run the normal DX-10 or DNOS operating systems.

Try http://bitsavers.org/pdf/ti/990/ds990 and 990-4
I'm not quite sure you're going to find much more than that 30+ years out from when these systems were in use.

I am not trying to focus on a single model, my question relates to an apparent distinction between the TI990 and DS990, why this distinction?, I am now thinking that this distinction is a fabrication of the internet (correct me if I am wrong), there was no TI 990, there was the model 990 manufactured by texas instruments, and the DS label was used to advertise the various configurations to the customers.
But you are right in that after 30 years, information is becoming thin on the internet and I am hoping that this lack of real knowledge can be rectified by the memories of the people most closely involved with TI and these systems.
Firstly, was the model 990 ever advertised as the TI 990?, and if so, when and why did they start using DS990 in their marketing?

Marty
October 18th, 2014, 06:03 AM
Hi All;
The Guy to talk to Is Dave Pitts, He is up on all things TI 990 wise..
He has a Web Page..
http://www.cozx.com/~dpitts/ti990.html
THANK YOU Marty

Al Kossow
October 18th, 2014, 07:01 AM
an apparent distinction between the TI990 and DS990, why this distinction?

"TI990" is meaningless. There were various models of 990 minicomputers produced by TI, but without the / and model numbers
you don't have any idea about which of the various implementations are being talked about. TI sold the CPUs and peripherals to
OEMs, and they built their own bundled systems which were the "DS" and the later more integrated "Business System 300"

Here is an example of a DS990 Model 29
http://computerhistory.org/collections/catalog/102688149

There was a product family brochure from the 70's, on my old website archived at
http://www.dimka.com/daily/external-pages/spies.com-~aek-orphanage.html

It looks like we have a product guide
computerhistory.org/collections/catalog/102659430

I'll see if I can get it scanned.

mnbvcxz
October 18th, 2014, 07:24 AM
"TI990" is meaningless. There were various models of 990 minicomputers produced by TI, but without the / and model numbers
you don't have any idea about which of the various implementations are being talked about. TI sold the CPUs and peripherals to
OEMs, and they built their own bundled systems which were the "DS" and the later more integrated "Business System 300"

Here is an example of a DS990 Model 29
http://computerhistory.org/collections/catalog/102688149

There was a product family brochure from the 70's, on my old website archived at
http://www.dimka.com/daily/external-pages/spies.com-~aek-orphanage.html

It looks like we have a product guide
computerhistory.org/collections/catalog/102659430

I'll see if I can get it scanned.

In this picture of a 990/10A http://www.bunkerofdoom.com/computers/ti990/TI990.html the /10A part of the model number is nowhere to be seen, the front panel simply reads 990.
Everything I have read so far indicates that the DS systems come from texas instruments, not some anonymous OEM.
DS forms part of the disk drive model number.

Al Kossow
October 18th, 2014, 10:55 AM
Everything I have read so far indicates that the DS systems come from texas instruments, not some anonymous OEM.


sigh..

I've uploaded product brochures to http://bitsavers.org/pdf/ti/990/brochures
It will all make sense once they show up through the bitsavers mirrors.

This will be my last post on the subject here.

mnbvcxz
October 19th, 2014, 05:36 AM
Well, those brouchers were interesting, thank you Al, but they did not answer my question, so until someone who actually knows the answer posts here, I will go with the conclusion I arrived at earlier in this thread, that TI never called its systems TI 990/whatever, they simply called them model 990/whatever and when they added disks etc they became DS990/whatever.

Marty
October 19th, 2014, 05:50 AM
Hi All;
I am sure that TI called them at least at first TI990's.. But, like I said before check with Dave Pitts..
Secondly, after all this time Does it really matter ??

THANK YOU Marty

mnbvcxz
October 19th, 2014, 06:30 AM
Does anything here really matter?

m_thompson
October 19th, 2014, 08:32 AM
The Rhode Island Computer Museum has a DS990/10 and a DS990/12.
http://www.ricomputermuseum.org/Home/equipment/ti-99010--99012

Piero Andreini
May 22nd, 2015, 12:10 PM
I've just bring back to life a DS990 Model 1 + FD1000 + Printer. I love this computer and I really would like to get the tape unit

MartyGreen
April 10th, 2016, 04:45 PM
Hi Everyone!
I was just looking on Google to see what was still left of the TI 990 Computer World. I began with Texas Instruments in 1980 working on the 990/4, 990/5, 990/10, 990/10A, & 990/12 Systems. Is anyone still out there?

Al Kossow
April 11th, 2016, 09:36 AM
Hi Everyone!
I was just looking on Google to see what was still left of the TI 990 Computer World. I began with Texas Instruments in 1980 working on the 990/4, 990/5, 990/10, 990/10A, & 990/12 Systems. Is anyone still out there?

I still have a bunch of 990/10s and 12s, software and documentation.

Dave Pitts has been working on simulators
http://www.cozx.com/~dpitts/ti990.html

NLPNOW
April 19th, 2016, 09:50 PM
I moved to supporting and programming the DS990 after working for NCR as pre/post sales support analyst programmer on their 399 and 499 computers and likewise for Sperry Univac's BC7. The company Peter Pan Playthings in Peterborough (UK), had an installed DS990. My task was to integrate the whole business on the one machine, from production, wages, stock, sales, invoicing and sales ledgers. After completing that task I moved out to Saudi Arabia as Software Manager the supplier of Texas Instruments with the Kingdom and surrounding countries working mainly on the DS990. I left the Middle East in 1988.

milbourne
January 4th, 2018, 08:43 AM
Hello Piero

I have a DS990 Model 1 + FD1000 + Printer the same as you. However, I have NO software for it. Please could you help me?

Kind regards

Ross Milbourne

NilsFor
January 30th, 2018, 07:44 PM
I also still have few 990/10s / 12s... so yeah, we are still here.;)

orinoko
February 4th, 2018, 06:53 PM
I too have a DS990 Model 1 and a FD1000 dual 8" disk drive unit. I am currently in the process of cleaning up the disk drive unit, so I can attempt to create an interface to a PC to create disk images of the few disks I have. I have no idea if they still work - the machine sat in a very hot and dusty shed for many years so I have little hope. Once that is done, I'll be cleaning up the system unit itself.