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Type: Posts; User: lowen

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  1. Thread: Fake ICs

    by lowen
    Replies
    17
    Views
    581

    This is mostly very true, and really it is...

    This is mostly very true, and really it is excellent advice to follow almost all of the time.

    However, I have experienced a case where I purchased a fairly rare chip in quantities of 10 a couple...
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    257

    Quoting a post to comp.sys.tandy on 10/25/02, in...

    Quoting a post to comp.sys.tandy on 10/25/02, in a thread started by Ira with a subject of " Curiosity - ND80/LDOS/DOSPlus vs TRSDOS" Frank writes:
  3. Replies
    6
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    257

    With the M II, you need to be careful when...

    With the M II, you need to be careful when programming the CRTC. According to Frank Durda, you can cause damage to the monitor board with certain values. Frank never gave out the actual values, but...
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    949

    This 'use the MFM drive as a straight analog...

    This 'use the MFM drive as a straight analog medium for analog video' discussion is rather interesting. No formatting, straight analog video. The track-to-track seek time has been mentioned as a...
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    125

    Ok, so what is the value of TRSModel for 4P?...

    Ok, so what is the value of TRSModel for 4P? (Edit: Looking at some of your github code, should be 4...)

    Which compiler are you using?( edit: sdcc, correct?)

    Ok, looking through some of your...
  6. Replies
    175
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    38,417

    For use with a Linux/*BSD box, you can put xrdp...

    For use with a Linux/*BSD box, you can put xrdp on the server and run the RDP client attached to it.
  7. Keyboard pads.

    Keyboard pads.
  8. Replies
    30
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    1,253

    As I recall, back in the day there was typically...

    As I recall, back in the day there was typically a 4 to 1 state of the art chip size ratio, DRAM to SRAM. So, when 16k1 DRAM was state of the art, so was 4k1 SRAM. This also translated to SRAM...
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    744

    The SC5400 chassis can be either rack mounted or...

    The SC5400 chassis can be either rack mounted or deskside. Ours were originally set up as rack boxes, but are easily converted to deskside, which is a short and deep tower, essentially, as opposed...
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    744

    Yeah, the airflow management in the SC5400...

    Yeah, the airflow management in the SC5400 chassis we have is pretty specific, with multiple large high flow fans and a wind tunnel over the RAM to keep it cool. There are some good photos of this...
  11. Replies
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    744

    The ones I have here are Intel S5000PSLSATAR...

    The ones I have here are Intel S5000PSLSATAR (https://ark.intel.com/content/www/us/en/ark/products/46546/intel-server-board-s5000pslsatar.html)

    We have some of these with midrange Quadro cards...
  12. Replies
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    744

    Server boards can be a fickle lot when it comes...

    Server boards can be a fickle lot when it comes to using a PCIe GPU card. I have some older Intel Serverboards, for instance, that have two of what physically look like 16 lane slots that are...
  13. Most Live USB Linux distributions, unless the...

    Most Live USB Linux distributions, unless the media has been created to have persistent storage, run the USB as if it were a CD/DVD and thus it is mounted read-only, with the actual root fs in a...
  14. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    Not likely, other than some programmer wrote the...

    Not likely, other than some programmer wrote the optimizer and thus the optimizer does exactly what it's told to do (whether that is what the programmer wanted or not is irrelevant!). Or, as the old...
  15. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    The compiler will do nothing more nor nothing...

    The compiler will do nothing more nor nothing less than what the person writing it programmed it to do. In this case, compiler/interpreter authors are programming in the current precedence rules,...
  16. Replies
    12
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    859

    I've typically use Clonezilla for such things,...

    I've typically use Clonezilla for such things, but as old as that machine is..... if boot from cd works, you can try the tools on the ultimate boot cd https://www.ultimatebootcd.com

    If you need a...
  17. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    Well, I'm neither the oldest nor the youngest...

    Well, I'm neither the oldest nor the youngest here, but most of my math exposure was prior to computers becoming prevalent; it wasn't until I was a sophomore that we got more than just a couple of...
  18. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    And while we're at it we'll trisect the angle and...

    And while we're at it we'll trisect the angle and P=NP. :satisfie:
  19. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    The single set of () in the expression does...

    The single set of () in the expression does denote a grouping, which is why the expression evaluates the way it does. In order, and by hand:
    82(2+2)= () first....
    824= next, equal...
  20. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    Indeed, and agreed 100%.

    Indeed, and agreed 100%.
  21. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    Yep, exactly. Using the standard order of...

    Yep, exactly. Using the standard order of operators that currently exists, the answer to the original expression is 16. Creative use of parentheses can make it be evaluated in any order necessary.
  22. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    This is the crux of the amibiguity here; does...

    This is the crux of the amibiguity here; does multiplication take precedence over division; that is, is there an implied second set of () grouping the operands on the divisor side of the division? ...
  23. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    The way I was taught, in prealgebra back in 1980,...

    The way I was taught, in prealgebra back in 1980, was that multiplication and division had equal precedence, and equal precedence operators are evaluated left to right. So, taking the expression and...
  24. Thread: Slow News Day

    by lowen
    Replies
    103
    Views
    5,555

    Wow. Algebraic operator precedence 101, with ()...

    Wow. Algebraic operator precedence 101, with () taking precedence above multiply and divide. This is middle school prealgebra material.
  25. Replies
    175
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    38,417

    E5500 is essentially the same thing as E4500,...

    E5500 is essentially the same thing as E4500, just in the full-size rack. I have one of those here, along with an E6500 (16CPU). I have a large number of processor modules, processor/memory boards,...
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