This is all well and good, but the question that was asked was how can it be loaded off the hard drive when the BIOS cannot see the harddrive at all. Surely I (and I expect most everyone else here) can understand it if the BIOS could access "some" of the drive, but the OP said the bios could not see the drive at all. -Denny ----- Original Message ----- From: "M. Adam Davis" To: Sent: Monday, September 29, 2003 12:46 PM Subject: Re: [EE]: 40GB Hard Disk for a Pentium 200MHz PC > Bios is simply software. You can replace parts or all of bios with > other software, since BIOS is called through software interrupts. You > simply replace their interrupt handler, or change the interrupt handler > pointer, or change the handler pointer, then when you're done messing > witht the data call the original bios handler to do the hard lifting. > > The software interrupt table is in memory, so it doesn't matter whether > bios loads into memory or is run directly from flash. > > -Adam > > Olin Lathrop wrote: > > >>"Ontrack" disk manager software (often available free from the disk > >>drive supplier) has helped overcome disk size limitations on several > >>occasions. You MAY need an older version, but maybe not. > >> > >>Here's their site, but they probably won't give you the free version > >>directly. > >>But you can always ask. > >> > >> > > > >How is any software that isn't part of the bios supposed to help the bios > >see the disk drive? > > > > > >***************************************************************** > >Embed Inc, embedded system specialists in Littleton Massachusetts > >(978) 742-9014, http://www.embedinc.com > > > >-- > >http://www.piclist.com hint: PICList Posts must start with ONE topic: > >[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > > > > > > > > > > > -- > http://www.piclist.com hint: PICList Posts must start with ONE topic: > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads