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Article #54419

Re: 1.3 Gig HD & old 486 motherboard

#54419
From: Paul Wilkins
Date: Wed, 29 Oct 1997 00:00
53 lines
2433 bytes
Senet News Feed wrote:
> 
>  Any one know if linux will work with a 1.3 gig hd and an older 486
> motherboard that dont support drives > 540mg, will linux be able to acces
> the entire drive.
> I currently have a disk manger (overlay or whatever there called) on the
> drive and it can use the entire disk no poblems but if i try using fdisk
> from linux boot/root disk the partition is competely up the sh.t so
> obviously you can't use it with a the overlay installed, I just wanted to
> know b4 i wipe everything on there if linux will access the entire disk or
> just 540 mg (like win95 did) when i used it with out the overlay ?


From the Linux FAQ
	
	Question 4.1.  How can I get Linux to work with my large disk ?

	If your disk is an IDE or EIDE drive you should read the file
	/usr/src/linux/drivers/block/README.ide (part of the Linux kernel
source
	code).  This README contains many helpful hints about IDE drives.  Many
	modern IDE controllers do translation between `physical'
	cylinders/heads/sectors and `logical' ones.
	
	SCSI disks are accessed by linear block numbers; the BIOS invents some
	`logical' cylinders/heads/sectors fiction to support DOS.
	
	DOS will usually not be able to access partitions which extend beyond
1024
	logical cylinders, and will make booting a Linux kernel from such
	partitions using LILO problematic at best.
	
	You can still use such partitions for Linux or other operating systems
	that access the controller directly.
	
	I'd recommend creating at least one Linux partition entirely under the
	1024-logical-cylinder limit and booting off that; the other partitions
	will then be OK.


You read that last line? Good.

And from the Hardware HOWTO

  Large IDE (EIDE) drives work fine with newer kernels. The boot
  partition must lie in the first 1024 cylinders due to PC BIOS
  limitations.

There you have it. Fsck your hard drive, mkfs, and you're laughing. 
(Of course, backup your data before you do this). 

Paul
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From: Paul Wilkins <paulw@tmpw.com.au>
Subject: Re: 1.3 Gig HD & old 486 motherboard
Date: 1997/10/29
Message-ID: <3456DC75.2CA161FB@tmpw.com.au>
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Organization: TMP Worldwide
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