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Thread: The Mystery Tandy 1000 Model

  1. #1
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    Default The Mystery Tandy 1000 Model

    If you take a look at all the Tandy 1000 models, you see that there are some model numbers very close to each other :

    Code:
    Computer    Catalog Number
    1000        25-1000
    1000A       25-1000A
    1000HD      25-1001
    1000EX      25-1050
    1000HX      25-1053
    1000RL      25-1450
    1000RL-HD   25-1451
    1000RLX     25-1452
    1000RLX     25-1453B
    1000RLX-HD  25-1453
    1000RLX-HD  25-1453B
    1000RSX     25-1455
    1000RSX-HD  25-1454
    1000SL      25-1401
    1000SL/2    25-1402
    1000SX      25-1051
    1000SX      25-1052
    1000SX      25-1054
    1000TL      25-1601
    1000TL/2    25-1602
    1000TL/3    25-1603
    1000TX      25-1600
    The differences between the 1000 and 1000A are entirely internal with some obvious ones, the latter has a socket for a math coprocessor, and some not so obvious, technical issues fixed and newer BIOS rom that scans for ROM extensions on expansion cards (bootable hard disks!). The 1000HD probably looks identical to the 1000/1000A on the front except that one of the bays has an LED instead of a filler faceplate. Tandy would increment hard drive models by 1 for the RL, RLX and RSX. The RLX has DOS 3.3 in ROM while the RLX "B" models have DOS 5.0 in ROM. For the SX, the 25-1051 designated a two drive floppy system while the 1052 designated a one drive floppy system.

    As far as the 25-1054 goes, there does not seem to be anything specific to this model that would set it apart from the other 1000SXes. There is no indication that that a RAM or hard drive upgrade is part of this model, and it seems it has 2x360KB drives. Does anyone have more information? Could this be the mythical AX, a rebranded SX which was sold in non-Radio Shack stores (Wal-Mart I believe.)
    Last edited by Great Hierophant; August 11th, 2011 at 12:35 PM.

  2. #2
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    Are you sure that it is not something simple like the 1000SX with preinstalled 3.5" floppy drive? I know Tandy offered internal 3.5" drives as an option for the 1000SX see http://web.archive.org/web/199902030.../doc1/1186.htm

  3. #3
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    Its possible, but the Tandy 1000 Tech Notes and Jumpers manual Vol 1 says it came with 2x360KB floppys.
    Last edited by Great Hierophant; August 11th, 2011 at 10:24 PM.

  4. #4

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    Quote Originally Posted by Great Hierophant View Post
    As far as the 25-1054 goes, there does not seem to be anything specific to this model that would set it apart from the other 1000SXes. There is no indication that that a RAM or hard drive upgrade is part of this model, and it seems it has 2x360KB drives. Does anyone have more information? Could this be the mythical AX, a rebranded SX which was sold in non-Radio Shack stores (Wal-Mart I believe.)
    I have seen an AX once on EBay. Did not buy it, did not note the model number.
    Tandy manufactured a lot of custom catalog numbers for stuff like schools, distribution to stores and other custom projects. My guess is that if falls into one of these groups.

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    Quote Originally Posted by kb2syd View Post
    I have seen an AX once on EBay. Did not buy it, did not note the model number.
    Tandy manufactured a lot of custom catalog numbers for stuff like schools, distribution to stores and other custom projects. My guess is that if falls into one of these groups.
    The Tandy 1000 Tech Notes and Jumpers manual Vol 1 also mentions the 1000PC, which was similar to the 1000SL. But the SL has only one model number.

  6. #6

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    Quote Originally Posted by Great Hierophant View Post
    The Tandy 1000 Tech Notes and Jumpers manual Vol 1 also mentions the 1000PC, which was similar to the 1000SL. But the SL has only one model number.
    Hope it's not a big deal to drag up an old topic...but I think it's a discussion worth adding to.

    I was most likely the one to snag the mythical AX on ebay. Photos and comparisons to the SX can be found here - http://www.megley.com/photos/tandy/1000ax/ And you can compare to the identical SX here - http://www.megley.com/photos/tandy/1000sx/ I can also provide some links about the AX being an SX re-badge and being test marketed in 50 Wal-Mart stores if anyone is interested...or you can find them by Google searching like I did... Lastly, there is no 25- model number like the "real" Tandy's had...

    Does anyone have any more info about this "1000PC"? I've seen it mentioned on the Oldskool web site...and very recently found a PC-1000 (no Tandy name) on ebay and picked it up too. I can only assume it is the same as the PC1000 that has been noted. The 1000PC is said to be an SL clone, and the PC-1000 that I found is definitely an SL. Have a look here - http://www.megley.com/photos/tandy/pc1000/ or at SL photos here - http://www.megley.com/photos/tandy/1000sl/ The back name plate of the PC-1000 notes that it is custom manufactured by Tandy...but no other brand names noted.

    Any chance of getting a scan/photo of the page from the Tech Notes/Jumpers manual?

    Thanks,

    Wesley

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    Wouldn't you just use the 1000SX manual?
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    You have an awesome 1000 collection there! Its literally eye-opening to see these two odd ducks of the 1000 family. So the AX is just an SX with a case label rebadge. Wherever the PC-1000 was sold presumably wanted to avoid as much association with Tandy as possible, hence the front case reworking. I would say with 99% certainty that it is the same system as the 1000PC the Tech Ref and Jumpers Manual refers to. I hope you fill the rest of your album.

    Quote Originally Posted by wesleyfurr View Post
    Hope it's not a big deal to drag up an old topic...but I think it's a discussion worth adding to.

    I was most likely the one to snag the mythical AX on ebay. Photos and comparisons to the SX can be found here - http://www.megley.com/photos/tandy/1000ax/ And you can compare to the identical SX here - http://www.megley.com/photos/tandy/1000sx/ I can also provide some links about the AX being an SX re-badge and being test marketed in 50 Wal-Mart stores if anyone is interested...or you can find them by Google searching like I did... Lastly, there is no 25- model number like the "real" Tandy's had...

    Does anyone have any more info about this "1000PC"? I've seen it mentioned on the Oldskool web site...and very recently found a PC-1000 (no Tandy name) on ebay and picked it up too. I can only assume it is the same as the PC1000 that has been noted. The 1000PC is said to be an SL clone, and the PC-1000 that I found is definitely an SL. Have a look here - http://www.megley.com/photos/tandy/pc1000/ or at SL photos here - http://www.megley.com/photos/tandy/1000sl/ The back name plate of the PC-1000 notes that it is custom manufactured by Tandy...but no other brand names noted.

    Any chance of getting a scan/photo of the page from the Tech Notes/Jumpers manual?

    Thanks,

    Wesley

  9. #9
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    Quote Originally Posted by Great Hierophant View Post
    99% certainty
    lol

    Wish Tandy had thought of the AX first, the "AX" would have been a good term for what I was doing with my SX, hah...

  10. #10

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    Thanks! I'm quite proud of it...though most happy to have been able to acquire the two rarities. It is quite an interesting mystery on the PC-1000...hopefully someone will have some further insight some day. I asked the seller if he knew anything of the history, and he said he had gotten it from someone whose grandfather than run a computer sales/repair shop...so hard to say. I did find a few articles on the internet referencing associations between Tandy and Panasonic, DEC, JC Penny, and American Express...so my best guess is it came out of one of those relationships...though the first two surely would have wanted their name on the front panel!

    I've also got a limited collection of non-1000 models...will have to get them posted sometime too. I've got a 1200, 3000 HD and HL, 4000, and (I think) 2400 or something like that. Assuming I'm not forgetting anything...

    Thanks,

    Wesley


    Quote Originally Posted by Great Hierophant View Post
    You have an awesome 1000 collection there! Its literally eye-opening to see these two odd ducks of the 1000 family. So the AX is just an SX with a case label rebadge. Wherever the PC-1000 was sold presumably wanted to avoid as much association with Tandy as possible, hence the front case reworking. I would say with 99% certainty that it is the same system as the 1000PC the Tech Ref and Jumpers Manual refers to. I hope you fill the rest of your album.

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