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Type: Posts; User: Chuck(G)

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  1. Replies
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    Rebadging old chips has gotten to be an art in...

    Rebadging old chips has gotten to be an art in the far East. Rather than repainting the top, it's simply easier to abrade the markings and then apply the fake ones. The surface looks new...
  2. Probably a brass insert--that's good. Get out...

    Probably a brass insert--that's good. Get out your tap set and thread all the rest to agree then get some matching screws. With the shades drawn and the lights out, nobody will ever notice... :)
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    It's materials choice that is so often short...

    It's materials choice that is so often short sighted. I used to own a Volvo 940 turbo-brick. Great car; good mileage and lots of room, particularly if you put the rear seats down. It had two...
  4. I read the article, but it gives no indication of...

    I read the article, but it gives no indication of what you're using for your serial interface.
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    While waiting for the Dell unit, I've taken some...

    While waiting for the Dell unit, I've taken some stainless steel wire and sheet brass and bodged a couple of brackets onto the old fan assembly. Held down to the retention bracket with zip ties. ...
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    If you have more CPU and memory than bandwidth,...

    If you have more CPU and memory than bandwidth, you could also get fancy and take a cue from the video compression people--just transmit the "differences" if the content of adjacent frames is...
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    Let me guess--you bought it on eBay. :) ...

    Let me guess--you bought it on eBay. :)

    Probably a relabeled 8086. Timings should be substantially different. You can always go into DEBUG and try some V30-specific instructions to verify,...
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    PS/2 drives do have a "disk changed" signal. ...

    PS/2 drives do have a "disk changed" signal. Clearly it's not making its way to the planar.
  9. One might put the shoe on the other foot and ask...

    One might put the shoe on the other foot and ask why computer manufacturers persisted so long in mixing SAE and metric fasteners in the same box. Vaguely reminiscent of my made-in-Canada Ford...
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    Etched both sides at the same time. ...

    Etched both sides at the same time. Double-sided and multilayer boards were tricky before CAD. Registration was a nightmare--get one side a little off and your vias don't connect--or worse, they...
  11. Not quite--the diode is there to prevent the PC...

    Not quite--the diode is there to prevent the PC from attempting to charge a primary (i.e. lithium coin cell) battery when the PC is on. Very bad when that happens with lithium ion batteries.

    A...
  12. Well, that's why DHCP hangs. Maybe Mike B....

    Well, that's why DHCP hangs. Maybe Mike B. can help on this one, but it sounds like an interrupt problem to me.
  13. So forget DHCP for the moment. If you don't...

    So forget DHCP for the moment. If you don't start DHCP (just start the packet driver), can you ping out to a known IP address? If not, then DHCP isn't going to work either.
  14. Does the ST01 even need an IRQ under DOS? ...

    Does the ST01 even need an IRQ under DOS? Seagate's dox say no.

    If you don't use DHCP, can you still ping using naked IP addresses? I had to move my packet interrupt to 0x64; 0x60 didn't work...
  15. Doesn't TCC have an inline assembly feature...

    Doesn't TCC have an inline assembly feature (sorry, I'm a MSC user)? It should be possible to include this in your code and automatically handle the model size issue. The code's pretty much a rep...
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    Easy--it was merely to demonstrate how display...

    Easy--it was merely to demonstrate how display data can be sent over a printer port--and what to expect. (not a lot).

    RPi notwithstanding.
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    I opted for the big Dell heat-pipe passive unit. ...

    I opted for the big Dell heat-pipe passive unit. If it gets too warm, I can add a fan. I've got room--it's a 4U case.

    In the meanwhile, I'll bodge the stock Intel one with a couple of cable...
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    Well, there you go. I can get back to work. :)

    Well, there you go. I can get back to work. :)
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    Yes, it's been done with commodity LCD modules. ...

    Yes, it's been done with commodity LCD modules. example.

    Dig around a bit--you'll find quite a few examples. Also remember that old utilities like PC Anywhere and Carbon Copy could send...
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    Tape controller. Don't see what this has to do...

    Tape controller. Don't see what this has to do with anything.
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    Interface card of my own design. The other slot...

    Interface card of my own design. The other slot is empty.
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    Yup, it's an Advantech AIMB-742. Has ISA slots,...

    Yup, it's an Advantech AIMB-742. Has ISA slots, dual Gbit ethernet and even a place for a CF card. A regular kitchen-sink of a motherboard.

    I was thinking about trying to hack a socket 775...
  23. Thread: 8253 PITfalls

    by Chuck(G)
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    But in a single-tasking environment, what I said...

    But in a single-tasking environment, what I said earlier holds: Latch the counter and read it at your leisure. No interrupt disabling necessary. No need to use the time-of-day ticker either--so...
  24. I assume that jumper W3 on the ST01 is not...

    I assume that jumper W3 on the ST01 is not installed.
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    Advice--best P4 heatsink

    All of the sudden, one of my systems just quit working. Turns out that the stock Intel heatsink plastic retainer clips decided to quit.

    CPU is running at 3.00 GHz. This is an industrial PC...
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