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Type: Posts; User: maxtherabbit

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  1. Replies
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    I'd be somewhat more forgiving of such a simple...

    I'd be somewhat more forgiving of such a simple electronic failure that I could repair easily. Granted no failure is really "acceptable" but I was really thinking more about major mechanical assembly...
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    the AST SixPackPlus has conventional memory, RTC...

    the AST SixPackPlus has conventional memory, RTC (I/O port addressable), parallel port, serial port, and game port (only if you add an optional 74-series buffer and 558 timer)

    it does not contain...
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    I have to say I am a fan of this drive. It seems...

    I have to say I am a fan of this drive. It seems well built and works great so far. It is a far cry in quality from my only other Tandon experience (TM-100).

    Are the belt driven TM848s similarly...
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    twisted pair for impedance control, duh

    twisted pair for impedance control, duh
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    drive seems to be aligned! I don't have a real...

    drive seems to be aligned! I don't have a real alignment disk to test with, but using the half-assed alignment test in IMD it is reading all the sector marks with no errors on some SSSD disks I had...
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    after reviewing the physical dimensions in the...

    after reviewing the physical dimensions in the datasheet, I'd say so - they appear to be identical in every relevant dimension
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    Did some basic tests on the drive today. Turns...

    Did some basic tests on the drive today. Turns out I had the exact same problem as was documented here: http://www.vcfed.org/forum/showthread.php?53777-TM-848-8-quot-Floppy-Drive-Error-Codes

    Right...
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    more to the point: why? clock for clock the 386sx...

    more to the point: why? clock for clock the 386sx is not faster than a 286, so unless you need to run 32bit code it's not gaining you anything
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    the short answer is 'no' IBM did make a 8MHz...

    the short answer is 'no'

    IBM did make a 8MHz AT, so you might be able to convert it but IIRC there is some kind of BIOS check that prevents over clocking
  10. I actually have far more than 2 SCSI devices that...

    I actually have far more than 2 SCSI devices that may be connected at one time. I purposely kept the example scenario simple to avoid having to field questions about how my cables are chained and...
  11. Hmm sounds like passive termination is just...

    Hmm sounds like passive termination is just garbage and should not be used. Maybe I can find a ribbon cable with an active terminator built in.

    Am I thinking correctly that mixing the passive on...
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    Model according to the nameplate is TM848E. No...

    Model according to the nameplate is TM848E. No dash, no '1'.
  13. Right, in this example the internal HDD has...

    Right, in this example the internal HDD has passive termination by way of installed resistor packs. The question is whether it's better to use passive termination on the external device to keep the...
  14. I'm fully aware that termination needs to be...

    I'm fully aware that termination needs to be applied at both extremes of the bus. For this example we are considering a single external CDROM connected to the centronics port on the back of the card...
  15. Mixing Passive and Active Terminatiors - Good, bad, or indifferent?

    Let's say you have both internal and external devices on your SCSI bus. The internal HDD is old and has passive termination resistor packs. The CD drive is external and has a toggle switch to enable...
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    There is only one R/W head, of that there is no...

    There is only one R/W head, of that there is no doubt. Tried to capture a picture of the felt pad on the upper arm assy in the third picture, but it didn't come out great.
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    The seller did not specify whether it was single...

    The seller did not specify whether it was single or double sided, that was on me. I saw both index sensors and...
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    Tandon TM-848E (Single Sided??)

    598605986159862

    I picked up this drive on ebay for about $70 shipped. The seller listed it as "in original packaging" but the photos were very limited. The price was so good that I took the chance...
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    nah it's been going on with this site since...

    nah it's been going on with this site since before the virus business
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    same here

    same here
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    59823598245982559826 thanks to ab0tj for a...

    59823598245982559826


    thanks to ab0tj for a great design! I went off reservation with my standoffs, just used some crap I had lying around so I didn't have to drill out the expansion PCB
    ...
  22. I never bothered trying to see if MS-DOS was any...

    I never bothered trying to see if MS-DOS was any different, but issuing a MODE MONO command took care of everything. Set the cursor to the correct position and it remained there after launching EDIT...
  23. Thread: Covid-19

    by maxtherabbit
    Replies
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    5,100

    cool!

    cool!
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    I can now confirm this header fits perfectly in...

    I can now confirm this header fits perfectly in real life. Mouser also stocks it, ignore their incorrect description and just trust the part number.
  25. do what now

    do what now
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