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Contributing to the tvdog Tandy 1000 archive

I can verify just putting in 2mb of ram on an RLX-b results in 1mb at boot.

I believe that the way the memory controller works is that the largest density memory always must be installed in bank 0 or it will be mis detected at the lower density. If I get around to it I will need to desolder bank zero

Here's an additional tidbit of information to deepen the mystery: A9, which I understand is required for the full use of 1Mx4 DRAM chips, is only connected to the four ZIP sockets on the RLX-B motherboard. That is, not to the pads for the SOJ DRAM.

There's an unfortunate lack of information regarding the "286Combo" chip used in the RLX and TL/3 systems. I'm wondering if a particular bit just needs to be flipped or set in the EEPROM to allow 2.5MB operation.
 
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My RSX came with three small, stiff envelopes containing 1) Deskmate 3.04.04 (6 disks), 2) RSX Utilities & America Online (2 disks), 3) MS-DOS 5.0 (2 disks) - the missing RSX systems disks? I can image these and upload. Do you need the Utilities & AOL disks also?

I also have a nice copy of the 1000 RSX User's Guide, which I will happily loan to someone to pdf the 200+ pages.

Mike
Can you image these disks and upload them, as well as the user guide?
 
Hello! I had a bit of nostalgia for my childhood using a Tandy 1000 SX, and I remembered a game called The FUNdamentals. Looking through the old Radio Shack catalogues of the era, I identified *six* versions! For model, catalogue number:

Tandy 1000, 25-1124
SX, 25-1166
EX, 25-1167
HX/TX, 25-1186
TL, 25-1233
SL, 25-1236

The versions for the original 1000, and EX, are on the oldskool ftp site, thank you! While the SX i used is long gone, I am happy to report that both those two images will run in DOSBox-X with the "tandy" machine setting :) The other four must surely exist out there (I saw an ebay buy it now for the HX/TX version, unfortunately for a completely outrageous sum), so if you have access to them, let's get them archived for posterity! :)
 
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