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Low Level Format of 1.4 Mb Floppy Isn't Happening

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  Low Level Format of 1.4 Mb Floppy Isn't Happening "Martin McCormick" <martin.m@suddenlink.net> - 2017-01-14 22:40 +0100
    Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Henrique de Moraes Holschuh <hmh@debian.org> - 2017-01-14 23:10 +0100
    Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Mirko Parthey <mirko.parthey@web.de> - 2017-01-14 23:20 +0100
      Re: Low Level Format of 1.4 Mb Floppy Isn't Happening "Martin McCormick" <martin.m@suddenlink.net> - 2017-01-15 15:20 +0100
        Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Henrique de Moraes Holschuh <hmh@debian.org> - 2017-01-15 15:50 +0100
          Re: Low Level Format of 1.4 Mb Floppy Isn't Happening <tomas@tuxteam.de> - 2017-01-15 16:00 +0100
        Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Gene Heskett <gheskett@shentel.net> - 2017-01-15 19:30 +0100
          Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Henrique de Moraes Holschuh <hmh@debian.org> - 2017-01-15 20:00 +0100
      Low Level Format of 1.4 Mb Floppy Isn't Happening Solved. "Martin McCormick" <martin.m@suddenlink.net> - 2017-01-15 22:40 +0100
        Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Solved. Doug <dmcgarrett@optonline.net> - 2017-01-15 23:30 +0100
        Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Solved. Brian <ad44@cityscape.co.uk> - 2017-01-16 00:10 +0100
        Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Solved. Gene Heskett <gheskett@shentel.net> - 2017-01-16 00:30 +0100
          Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Solved. John Darrah <xyllyx@gmail.com> - 2017-01-16 02:40 +0100
            Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Solved. Gene Heskett <gheskett@shentel.net> - 2017-01-16 04:00 +0100
    Re: Low Level Format of 1.4 Mb Floppy Isn't Happening Brian <ad44@cityscape.co.uk> - 2017-01-15 16:10 +0100
      Dell BIOS ( was Low Level Format of 1.4 Mb Floppy Isn't Happening) "Martin McCormick" <martin.m@suddenlink.net> - 2017-01-16 19:00 +0100
        Re: Dell BIOS Felix Miata <mrmazda@earthlink.net> - 2017-01-16 19:50 +0100
          Re: Dell BIOS "Martin McCormick" <martin.m@suddenlink.net> - 2017-01-16 22:00 +0100
            Re: Dell BIOS Joe <joe@jretrading.com> - 2017-01-16 22:40 +0100
              Re: Dell BIOS John Hasler <jhasler@newsguy.com> - 2017-01-16 23:00 +0100
                Re: Dell BIOS Joe <joe@jretrading.com> - 2017-01-16 23:30 +0100
                  Re: Dell BIOS John Hasler <jhasler@newsguy.com> - 2017-01-17 00:30 +0100
        Re: Dell BIOS Mirko Parthey <mirko.parthey@web.de> - 2017-01-17 00:40 +0100
          Re: Dell BIOS Felix Miata <mrmazda@earthlink.net> - 2017-01-17 02:10 +0100

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#176766 — Re: Dell BIOS

On Mon, 16 Jan 2017 15:54:05 -0600
John Hasler <jhasler@newsguy.com> wrote:

> Joe writes:
> > The electrolyte used in these [Japanese] capacitors  
> 
> They were Chinese knockoffs of a Japanese design.  However there was a
> proprietary trick that the Chinese missed and so they made and sold a
> vast number of caps that turned out to be defective.

The ones I saw were Japanese components in Japanese television cameras,
many of them broadcast. This was from the mid-90s onwards.

> 
> Electrolytics usually have burst membranes intended to prevent them
> from exploding when they evolve gas and they usually work on
> low-voltage ones.  They often work on high-voltage caps too, but
> other times you can get a nice bang.  Big motor starter capacitors
> can be fun that way.

And silent leakage of copper-dissolving electrolyte can stop things
working just as well.

-- 
Joe

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#176767 — Re: Dell BIOS

Joe writes:
> The ones I saw were Japanese components in Japanese television
> cameras, many of them broadcast. This was from the mid-90s onwards.

Japanese companies can get suckered by something that looks like a good
deal just like anyone else.

> And silent leakage of copper-dissolving electrolyte can stop things
> working just as well.

Better.  Explosions lead to more lawsuits, though.
-- 
John Hasler 
jhasler@newsguy.com
Elmwood, WI USA

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#176768 — Re: Dell BIOS

On Mon, Jan 16, 2017 at 11:52:48AM -0600, Martin McCormick wrote:
> change the boot sequence order from floppy-C:-CDROM to
> CDROM-floppy-C: or CDROM-C:-floppy which prevents the hard drive
> from grabbing the boot sequence each time.

There may be a function key that brings up a BIOS boot menu.
For Dell machines, it should be F12. Other candidates are F8 and F11.
Choosing an entry in the menu takes effect exactly once,
then the previous boot order is restored.
This feature might be useful to you if the entries are the same each
time and appear in the same order.

> 	I don't think the CMOS batteries are dead because the
> clock still seems to keep time

Changing the battery is certainly worth trying.

The BIOS clock could still have the correct time despite a dead battery
because the Linux system gets the time from an NTP server and writes it
to the BIOS clock on shutdown.  The clock then runs on ATX standby power
and will only lose its memory when the power cable is removed. The same
applies to the BIOS settings.

Regards,
Mirko

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#176770 — Re: Dell BIOS

Mirko Parthey composed on 2017-01-17 00:36 (UTC+0100):

> The BIOS clock could still have the correct time despite a dead battery
> because the Linux system gets the time from an NTP server and writes it
> to the BIOS clock on shutdown.  The clock then runs on ATX standby power
> and will only lose its memory when the power cable is removed. The same
> applies to the BIOS settings.

That's the logical expectation, but not the way it always works. Just hours ago 
on a Dell SFF Optiplex 745 I found a dead battery. After installing a new one I 
decided to remove it after first setting the BIOS clock and rebooting. Without 
having removed the power cable, only removing the battery and no other changes, 
on first subsequent boot it reported BIOS settings reset, and sure enough, clock 
was reset to its build date just short of 10 years ago.
-- 
"The wise are known for their understanding, and pleasant
words are persuasive." Proverbs 16:21 (New Living Translation)

  Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/

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