From: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
To: Chris Friesen <cfriesen@nortelnetworks.com>, jbradford@dial.pipex.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Recoverable RAM Disk
Date: Tue, 9 Jul 2002 19:24:23 +0200 [thread overview]
Message-ID: <200207091924.23242.roy@karlsbakk.net> (raw)
In-Reply-To: <3D2B11FA.65A92E40@nortelnetworks.com>
> The only tricky bit is that I don't know if a warm boot on a PC wipes ram
> or not...
Normally it does, but in the old days, you could - in DOS DEBUG or somewhere
set 0040:0072 to a given value and then jmp f000:fff0.
IIRC, the value in 0040:0072 was these:
0x0000: cold reboot
0x1234: warm reboot
0x5678: warm reboot without memory clear
hæpp
roy
--
Roy Sigurd Karlsbakk, Datavaktmester
Computers are like air conditioners.
They stop working when you open Windows.
next prev parent reply other threads:[~2002-07-09 17:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-09 16:19 jbradford
2002-07-09 16:40 ` Chris Friesen
2002-07-09 17:24 ` Roy Sigurd Karlsbakk [this message]
[not found] <p04320407b950a89e4fc4@[192.168.3.11]>
2002-07-10 11:16 ` jbradford
2002-09-02 23:48 Recoverable RAM disk jbradford
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