Dual boot, 2HD, Ubuntu + XP

[scotter]

Hi everyone,

I'm trying to set up a dual boot with ubuntu7.04 and xp. Each have their own hard drives, ubuntu is set to master, xp is set to slave. My xp hd has a utility partition too. In device.map I have;

(hd0) /dev/sda
(hd1) /dev/sdb

and within menu.lst I have;

title windows xp
map (hd1) (hd0)
map (hd0) (hd1)
rootnoverify (hd1,1)
makeactive
savedefault
chainloader +1

When I try to boot xp I get "Selected disk does not exist". Looking at device.map its sda,sdb instead of hda,hdb. That means SCSI right? because my harddrives are IDE.

Anyone have any ideas why this isnt working for me? Any suggestions greatly appreciated.

[devils casper]

Hi and Welcome !

Execute this

sudo fdisk -l

Post the output here.

Looking at device.map its sda,sdb instead of hda,hdb. That means SCSI right? because my harddrives are IDE.

Latest kernels assign SCSI names to all types of Disks. There wont be any hdx names now.

[scotter]

Hi casper, heres fdisk. Oh ok, so my harddrives are right then?

Disk /dev/sda: 40.0 GB, 40020664320 bytes
255 heads, 63 sectors/track, 4865 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1        4678    37576003+  83  Linux
/dev/sda2            4679        4865     1502077+   5  Extended
/dev/sda5            4679        4865     1502046   82  Linux swap / Solaris

Disk /dev/sdb: 40.0 GB, 40020664320 bytes
255 heads, 63 sectors/track, 4865 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1           5       40131   de  Dell Utility
/dev/sdb2   *           6        4862    39013852+   7  HPFS/NTFS

[devils casper]

Code is correct. Unplug Linux HD and plug-in Windows HD as Primary Master. Does Windows OS boot up?

[scotter]

Ok, if I unplug the linux Hdd and put the XP Hdd in as primary master the computer does not boot. It says it cant recognize the disk or invalid disk, something like that. However if i set the XP Hdd to cable select on the master end of the ribbon, everything boots fine.

[devils casper]

It means problem is on Cable select only. Try different combinations. Above code is for Linux disk -- Primary Master and Windows disk -- Secondary/Slave.

[scotter]

Ok, i have to admit im really confused by what you said right there. What do you mean by different combinations above where?

[devils casper]

You have to try different Cable Combinations or Jumper Settings.

[scotter]

Oh, yeah i understand that part. Can i just set both Hdd's set to cable select? Or is the reason xp wont boot because of the jumper settings?

[devils casper]

GRUB is installed in the MBR of Ubuntu Disk and its configure to boot Windows OS installed in the Secondary Hard Disk. If you havn't plugged in both disks as Master/Salve correctly, GRUB will not boot up Windows OS. As I mentioned earlier, you can set master/slave combination through cable select or jumper settings.