> My guess is that you have incompatible jumper
> settings on the back of the 
> drives.  Check these and make sure that they reflect
> what the BIOS sees.  
> Also, check your /boot/grub/device.map for
> consistency.  Then use tab 
> completion from the grub prompt to find devices and
> bootable partitions.

Both drives are set to master which the BIOS confirms.

Device map:

(fd0) /dev/fd0
(hd0) /dev/hda
(hd1) /dev/hdc

is consistent.

Tab completion at the grub prompt only finds the
second drive which it insists on calling the first
contrary to device.map.

> If the above doesn't get you booting please post
> your grub.conf, along with 
> fdisk -l.

grub.conf:

#XP
title=XP
rootnoverify (hd0,0)
map (hd1)(hd0) 
makeactive     
chainloader +1
boot

(I used one 'map' command following Dan Farrell's
model but using two made no difference)

#Gentoo
title=Gentoo
root (hd0,0) 
kernel /vmlinuz root=/dev/hdc3
video=aty128fb:[EMAIL PROTECTED]
boot

Note: 

The entry for XP elicits:

Error 11 Unrecognized device string

no matter how I edit it using the 'e' command in grub.

Gentoo will not boot unless grub is told it's on the
FIRST drive contrary to device.map anything else and
grub reports "disk does not exist"

fdisk -l:


Disk /dev/hda: 6448 MB, 6448619520 bytes
255 heads, 63 sectors/track, 784 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id
 System
/dev/hda1               1         783     6289416    7
 HPFS/NTFS

Disk /dev/hdc: 122.9 GB, 122942324736 bytes
176 heads, 63 sectors/track, 21656 cylinders
Units = cylinders of 11088 * 512 = 5677056 bytes

   Device Boot      Start         End      Blocks   Id
 System
/dev/hdc1   *           1           7       38776+  83
 Linux
/dev/hdc2               8          96      493416   82
 Linux swap / Solaris
/dev/hdc3              97       10666    58600080   83
 Linux
/dev/hdc4           10667       21656    60928560   83
 Linux

I've tried toggling the bootable flag on /dev/hda.
Didn't work.

As I mentioned before attempts to install grub to
/dev/hda fail completely forcing a reboot w/Win98 and
entering A:\fdisk /mbr after which XP boots but only
if the second drive is disabled. Installing to
/dev/hdc at least lets me boot gentoo.

Both drives pass smartctl tests.

grub is version 0.97

Don't know what else to add.

-mw

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