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Type: Posts; User: CarlosTex

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  1. Replies
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    Still looking!

    Still looking!
  2. Replies
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    Tandy 1000 TL motherboard

    Hi everyone.

    I'm looking to buy a bare Tandy 1000 TL motherboard, i want to do a few overclocking experiments with one, and probably create a guide for the ultimate 16 color machine.

    Needless...
  3. I don't think super duper awesome patches would...

    I don't think super duper awesome patches would be the goal, what we would need at least would be on short term goal, someone who knows the default IMFC/FB01 patches and select the most relevant ones...
  4. IBM Music Feature on SCI1 and SCI1.1 (Listen to Space Quest 4 CD with the IBM MFC!)

    Hello there!

    So King's Quest V, Jones in the Fast Lane, Mixed Up Mother Goose and Quest for Glory 2 were the last 2 games with support for the IMFC. Well...oficially. The way the SCI engine works,...
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    I don't know if anyone had tested this already,...

    I don't know if anyone had tested this already, but i finally got time and checked the undocumented I/O port selections.

    Turns out that SW1 when in OFF OFF positions actually decodes port 2A40h...
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    Great job. I wish the SL would be expandable. I...

    Great job. I wish the SL would be expandable. I have to find a TL motherboard, and maybe try to do same overclocking i did with my SL, pair it with an EGA card and create the ultimate 16 color...
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    Thanks to Cloudschatze i finally got a pair of...

    Thanks to Cloudschatze i finally got a pair of these drive rails.Goodbye floating 5.25" Floppy drive!
  8. Yeah i had tried filling up 80000 - 9FFFF but in...

    Yeah i had tried filling up 80000 - 9FFFF but in fact there's no point, that area is already filled. Filling up both A0000 up to BFFFF obviously results in a black screen, as B800 segment is reserved...
  9. Tandy 1000 SL with 768Kb memory. Seems possible in theory!

    I've been looking into the Tandy 1000 SL and TL tech reference manuals. These 2 seems to pretty much the same in terms of I/O port configurations.

    I've took a look into port FFEA on both the TL...
  10. Yes this seems like a hard task. You might need...

    Yes this seems like a hard task. You might need to design an independent clock circuit exclusively for the CPU, there might be no way out of it.

    Sometimes it seems that you're so close but it is...
  11. Hi there. I think you'd be better off to...

    Hi there.

    I think you'd be better off to instead look at the schematic of the motherboard and find the trace that leads from the Oscillator to the light blue chip.

    Which OSC frequency is sent...
  12. Thank you so much for this! Now i just need to...

    Thank you so much for this! Now i just need to figure out the pinouts and get some compatible EEPROMS.
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    Hi, i'm currently using some regular AT ones, but...

    Hi, i'm currently using some regular AT ones, but they don't lock the drive, it's floating back and forth. I don't think any of those in the picture are Tandy either.

    But thanks anyway.
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    Still looking for these rails!

    Still looking for these rails!
  15. I did try it on my SL, but unfortunately Tandy...

    I did try it on my SL, but unfortunately Tandy decided to cripple the SL memory upgradeability. Even with 64kb free on the D000h segment via my Lo Tech 1MB RAM expansion, i can't get enough memory to...
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    Congrats, amazing work! I wish there was a...

    Congrats, amazing work! I wish there was a project to mod the Tandy 1000 SL with 768Kb of memory, like the TL and the RL. It's my only gripe with the SL, having to steal conventional memory for the...
  17. I'd be happy to try that on my Tandy 1000 SL, i...

    I'd be happy to try that on my Tandy 1000 SL, i have my system crystal modded for 16MHz with a NEC V30.

    Unless Wing Commander requires a 286...
  18. Tandy 1000 SL (and others) replacement ROM chips?

    Hi everyone,

    my Tandy 1000 SL comes with a couple of HN62312APC55 ROM chips made by Hitachi, and my BIOS version is Tandy 1.04.00. Since these parts are impossible to source i would like to find a...
  19. I got all the Goteks in my vintage systems moded...

    I got all the Goteks in my vintage systems moded with Flashfloppy. Not only that but i also put in the rotary encoder and the OLED screens. I can't think of ever going back to a standard Gotek.
  20. One can always connect a 12V DC fan to the 5V...

    One can always connect a 12V DC fan to the 5V line. On my Tandy 1000 SL i had to replace the 110V PSU for a TFX PSU, because 220V Tandy PSU's can't be found anywhere, but the damn fan was just too...
  21. I "designed" a dual Oscillator switch for this...

    I "designed" a dual Oscillator switch for this Tandy in order to be able to not only use the super clocked 16Mhz but also lower clocks to make this system perform a little more like a Tandy 1000 SX....
  22. I've been wondering myself if there's any kind of...

    I've been wondering myself if there's any kind of hardware mod that can be performed to bring the memory up to 768K on a Tandy 1000 SL. It kind of sucks to have to reserve 64K for video from your...
  23. Thread: Wolfenstein?

    by CarlosTex
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    I need to install a VGA card on my FrankenTandy...

    I need to install a VGA card on my FrankenTandy and check how a 16MHz V30 runs Wolf 3D. It should be around 8-10Mhz 286 level.
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    Have you installed a new battery? Use the...

    Have you installed a new battery? Use the external battery header if needed. I just fixed an Octek Fox II from corrosion and when CMOS values are lost BIOS only detects 704KB. Both my HT12 chipset...
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    Hi, sorry i haven't been around for a while. ...

    Hi, sorry i haven't been around for a while.

    You can get a V30 HL on eBay, make sure you just order the right one. Sometimes the picture is not correct but you just need to make sure part number...
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