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  1. Thread: Overlooked?

    by krebizfan
    Replies
    17
    Views
    146

    It wasn't long before the cost reductions to disk...

    It wasn't long before the cost reductions to disk drives and controllers brought the PC clones down to the under $1,000 range which competed nicely against disk drive equipped offerings from...
  2. Thread: Overlooked?

    by krebizfan
    Replies
    17
    Views
    146

    The TI59 mailing list seems to have slowed a lot....

    The TI59 mailing list seems to have slowed a lot. Was very active up to a few years ago.

    HPMuseum.org has frequent discussions of the TIs in the " Not remotely HP Calculators" section of the...
  3. Replies
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    434

    7552-040 h IBM PC/AT System Unit (10MHz, 512KB)...

    7552-040 h IBM PC/AT System Unit (10MHz, 512KB)
    Hardened, for use without keyboard or display via Remote Terminal Interface
    7552-540 h IBM PC/AT System Unit (10MHz, 512KB)
    Hardened, 20MB fixed...
  4. Thread: Overlooked?

    by krebizfan
    Replies
    17
    Views
    146

    I tend to think of the HP 9830 as one of the more...

    I tend to think of the HP 9830 as one of the more important Personal Computer precursors, something that could be pointed at to indicate to investors that there was a market for a similar but cheaper...
  5. Replies
    28
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    350

    That article slightly understates the use of EMS...

    That article slightly understates the use of EMS under Windows. If there are additional EMS page frames in addition to the data frame, code can be move into it. It might use a few hundred KB of EMS...
  6. Replies
    28
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    350

    One can use EMS to enable Large Page Frame EMS...

    One can use EMS to enable Large Page Frame EMS under real mode Windows 3.0 just like Windows 2. That would allow one to run multiple larger applications at the same time. I think Excel was one of the...
  7. Replies
    28
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    350

    If you had 4 MB+ of RAM, it wasn't too bad. Just...

    If you had 4 MB+ of RAM, it wasn't too bad. Just don't try to run the last Win16 programs released. Office 4 is such that each program will want more memory than a reasonable 286 can offer. WinWord 1...
  8. Replies
    11
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    213

    The key placement looks like one of the standard...

    The key placement looks like one of the standard terminal keyboards. Not sure which one specifically, it doesn't exactly match any I used.

    The card edge connectors seem to have 50 pins, maybe for...
  9. Replies
    4
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    90

    The internal cache can be turned off. Pin W5...

    The internal cache can be turned off. Pin W5 turns on/off the cache while pin B13 is used to determine if the 586 is in WriteBack or WriteThrough mode.
  10. Replies
    25
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    434

    Not all that much difference. Some of the very...

    Not all that much difference. Some of the very early 386SX computers used 286 motherboards with a tiny daughtercard to hold the 386SX. Everex was one that did that in the rush to get a 386SX out the...
  11. Replies
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    434

    3 16 bit ISA slots and the world's slowest hard...

    3 16 bit ISA slots and the world's slowest hard drive. Nice turbo AT clone except for the hard drive.
  12. Replies
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    434

    There were kits with the higher clock oscillator...

    There were kits with the higher clock oscillator and updated BIOS to go along with the new CPU. Note that the 10 MHz AT variant from IBM was a bit unreliable so pushing that far might be unwise. It...
  13. John Elliott did it so I know it is possible. See...

    John Elliott did it so I know it is possible. See https://www.seasip.info/AmstradXT/qanda.html#8

    When does the error show up? Seems to be cut off - "yboard disk." Try using settings similar to...
  14. I can think of no benefit in not using the...

    I can think of no benefit in not using the external CD drive's active termination.
  15. How are the cables being run? IIRC, most SCSI...

    How are the cables being run? IIRC, most SCSI adapters would need two terminators: one on the internal cable and a second on the external cable. Generally, active termination is better but the...
  16. The original NT4 encryption was a mere 40 bits....

    The original NT4 encryption was a mere 40 bits. The export versions got upgraded to 56 bits very late in NT4's life span, long after 40 bit encryption was proven to be easily broken.
  17. Welcome to the forum. Discussions of Pentium...

    Welcome to the forum.

    Discussions of Pentium III and 4 happen here but primarily in the context of a "tweener" - a machine that can read/write floppy disks but also has the ability to easily...
  18. Replies
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    373

    The Tandon TM-100 seems to have the exact same...

    The Tandon TM-100 seems to have the exact same power requirements as the Shugart drives. Rounding up, if both drives ran at the same time, the combined power consumption would be less than 30 watts....
  19. The Seagate drives of the era were slower than...

    The Seagate drives of the era were slower than most of the competition, probably the reason so many still work nearly 40 years later.
  20. Thread: Help with C

    by krebizfan
    Replies
    11
    Views
    303

    Looks like a variation on BDS C which uses...

    Looks like a variation on BDS C which uses STDLIB*.C and has -k and -w switches. It does not look like it would compile with the version of BDS C that was released to the public domain in 2002. The...
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    2
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    102

    Is there a problem with the various Sanyo MBC-55x...

    Is there a problem with the various Sanyo MBC-55x disks that have been archived? It might take longer to find someone with a working MBC to do a diskcopy than to find someone able to put a disk image...
  22. Replies
    3
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    100

    Softklone Mirror was very similar to Crosstalk,...

    Softklone Mirror was very similar to Crosstalk, so similar that it led to a lawsuit. Functionality wise, I can't remember anything it did that was significantly better than other DOS communication...
  23. Thread: Covid-19

    by krebizfan
    Replies
    191
    Views
    5,145

    I stopped at two different grocery stores. One...

    I stopped at two different grocery stores. One was packed with shelves being stripped bare while the other had a normal activity level and shelves at the typical storage level.
  24. Thread: Covid-19

    by krebizfan
    Replies
    191
    Views
    5,145

    I went to a different grocery store than my usual...

    I went to a different grocery store than my usual route. Barren shelves for frozen everything and sugar which was a bit odd to me. I can expect the shortage of TP since the sheer bulk limits the...
  25. Not the only place for information. A copy of the...

    Not the only place for information. A copy of the Idris 2.2 User Manual is floating out there. Bitsavers has what is listed as the 68K IDRIS; two disks at about 200k each. Look for Whitesmiths.
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