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Hello everyone, Are people here with experience on the DS990 and TI-990 Mini Computer systems? Count me interesting in sharing about these systems. I just bought a DS990/1 which comes with a FD1000, which is a dual 8" Floppy Disk Drive Unit. You can find details on the acution: https://www.ebay.it/itm/Texas-Instruments-DS990-Model-1-Intelligent-Computer-and-unit-fd1000/253440639763?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 My main motivation to go for this was: - approval of my wife - incentive for 2017 from the job is being paid out - some hardware project to improve hardware skills as it seems the Disk Drive is not working - ability to preserve and create 8" TI-990 disks for other owners of the system - ability to run TI-990 software on the real iron - ability to buy and preserve not yet preserved TI-990 software when it shows up - replace the FD1000 functionality by some Pc RS232 Software - testing support for hardware projects that try to "FPGA" a whole TI-990 (speccery) - explore possibilities to use TI-990 programming languages on the TI-99/4A (or TI-99/8). Two years ago I bought a TI-990/5 CPU board and two VDT911 controller boards (with no 911). And a 13 slot backplane and the main power supply for it. But there was no case or Frontpanel. It was all parts only.
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