Mail Archives: opendos/2001/07/07/16:48:20
(1) BIG DRIVE: You can install a hard drive larger than the maximum
size which your PC BIOS supports by adding a 'Dynamic Drive Overlay'.
This is a DYNAMIC (sic!) BIOS addition which replaces the standard HDD
boot sector. [This limits what else you can install that replaces the
boot sector.] The hard drive vendors (mostly) supply an OEM'd product
specific to their own drive products for free. If your new HDD came
with an installation floppy, look for a DDO there (if no floppy, check
the HDD vendor's website); look for 'installation software'. Ontrack
sells a product for all HDD brands from their website www.ontrack.com.
(2) PCMCIA: First choice would be to use the PCMCIA drivers from the
MSDOS/Win3 install disks for the laptop; they would work with DR-DOS.
Next choice is to use the PCMCIA drivers from IBM PC-DOS 6 or later.
Also, old PCMCIA modems sometimes include complete DOS PCMCIA drivers.
Alan S.
7-7-2001
Fergus Hayman wrote:
>I've recently installed DRDOS on a 486 laptop 8 megs ram. The
>Harddrive is about 380megs. I have a 6 gig drive but the bios only
>recognizes about 472 megs under dos . I Installed the latest AST
>Powerexec bios update i could find . Is there a way to get around
>this limitation , with a boot partition or something. I tried an FTP
>of OpenBSD on the larger drive .( IT recognized the 6 gig drive)and
>it wouldn't boot past the set tty screen. I figured it might be
>looking for some of the data outside the bios boundry. I might try
>it again using a 450meg Openbsd partition to see if it will boot.
>
>The laptop of course has no cdrom . The 3com pcmcia card i have works
>well from the openbsd boot disk. I scanned the DRDOS network drivers
>and didn't see anything for pcmcia cards. Win3.11 dosn't appear to
>have anything for this card either--- 32bit .
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