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Type: Posts; User: shirsch

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  1. Replies
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    A good idea, but I have none capable of 460k baud...

    A good idea, but I have none capable of 460k baud besides the XTIDE. And at 230k baud it's working properly with only about 10% throughput penalty. I can live with that.
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    If anything that copy is slightly worse. I'm...

    If anything that copy is slightly worse. I'm starting to think the PC portable I'm using just isn't fast enough to keep up with 460k baud. If I drop back to 230, it connects 100% of the time even...
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    Still struggling a bit with serdrive. After...

    Still struggling a bit with serdrive. After losing a full day to what turned out to be a bad 16C550 UART, I have discovered that 460k baud link works only if I use a -v debug option on the server...
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    UPDATE: Burned by software versioning... I found...

    UPDATE: Burned by software versioning... I found a copy of serdrive.exe in a relatively recent build of XUB that seems to work fine. But, I cannot convince XUB to boot from that drive - it always...
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    Not sure if this is the correct place for this,...

    Not sure if this is the correct place for this, but I'm having problems trying to use the serial disk server with my XTIDE v2 board. Initially, both sides report they are using 115.2k baud, but by...
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    Thanks, but the xtl version is too large to fit...

    Thanks, but the xtl version is too large to fit in a 28C64 EEPROM. I finally discovered the boot display option settings and 80x25 monochrome seems to correct the problem.
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    Thanks - I have that diagram and managed to...

    Thanks - I have that diagram and managed to completely miss it. Interestingly, if that's correct then the schematic is wrong. By tracing the PCB layout from the schematic, RTS and CTS end up...
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    I cannot find any documentation for the RS232...

    I cannot find any documentation for the RS232 port pinout on a Rev 2 XTIDE board. Can anyone point me to the appropriate pictorial or information?
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    I'm using XUB r602 to configure my XTIDE rev 2...

    I'm using XUB r602 to configure my XTIDE rev 2 board (built from scratch) in an IBM PC portable (early XT motherboard w/ CGA graphics). On this system, the boot time menu bar is completely...
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    I have a Network 4 adapter for Mod 3 and have...

    I have a Network 4 adapter for Mod 3 and have been searching for the Network 4 software - so far to no avail. I did chase down one of the folks who developed it for Tandy. He claims to have the...
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    Hi, Al. If you have any Corvus diskette images...

    Hi, Al. If you have any Corvus diskette images that are not currently on Bitsavers we'd greatly appreciate your making those available. The 'Omnishare' software has never been found in the wild,...
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    I think you have to be a forum member to...

    I think you have to be a forum member to download. Would appreciate it if someone who speaks German could register and download those ELV-Easynet images for me?
  13. I just picked up a QBus interface for Corvus...

    I just picked up a QBus interface for Corvus flat-cable disk drives. These drives have a hardware setting for LSI-11 compatibility, but I cannot find any documentation setup or use. I did find an...
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    It was rumored that Frank had the drivers and...

    It was rumored that Frank had the drivers and support software for Tandy TRS-80 "Network 4", which used Corvus hardware. I tried to contact Frank for years with no success and was saddened to read...
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    Corvus Softcard software

    My 20-year search continues. Looking for a semi-mythical diskette labeled as A2CPM.1. It provided the support and runtime files needed to allow Microsoft SoftCard CP/M to operate with a Corvus...
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    Doesn't look too tough to build. I'll try to get...

    Doesn't look too tough to build. I'll try to get some clear photos of mine. Feel free to bug me if you don't see any activity...

    I figure ZAX must have sold about a dozen of these units...
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    Unfortunately, after years of waiting the proper...

    Unfortunately, after years of waiting the proper ICD-378 manual has simply never surfaced. Not giving up, but it doesn't look promising.
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    Right, but I needed to control things from a...

    Right, but I needed to control things from a shell script. Plus dosemu can be a bit fussy sometimes.
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    I have no plans to port that graphics-based tool....

    I have no plans to port that graphics-based tool. Would gladly accept git merges from anyone who does, however!
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    If this will help anyone, I have ported all the...

    If this will help anyone, I have ported all the imagedisk utilities (programs that do not access the disk controller) to Linux. Dave Dunfield has given me permission to distribute these, but since...
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    Still hoping to find software and/or docs for the...

    Still hoping to find software and/or docs for the Tandy Network 4 / Omninet. Someone paid stupid money for manual and diskettes on eBay last fall and apparently sat on them :-(

    Update: If anyone...
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    Let me add my name to those interested in...

    Let me add my name to those interested in obtaining the proper documentation for a Z80 ICD-378. I think the original poster is the only person on earth with this documentation, but has unfortunately...
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    It's hard to understand how this can be the case....

    It's hard to understand how this can be the case. According to the schematic on the HxC web site, the Gotek unit has "wired OR" logic that routes SEL0, SEL1 and MTRON to a single line on the STM CPU...
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    Are you saying that the Gotek / HxC can emulate...

    Are you saying that the Gotek / HxC can emulate two drives at the same time, or do you mean it can be either one of 0 and 1? The documentation on the hxc2001 web site mentions that the Gotek can...
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    With a little patience, PCB tracing and some...

    With a little patience, PCB tracing and some pondering of logic analyzer captures I have the printer working.

    Pinout for attached printer (20 pin DIP header on rear)

    NOTE: Centronics parallel...
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