Note that disk-partitioning program (FDISK) will remove all saved data in hard drive.
Insert 98 bootable CD in CD-room drive and restart computer. Choose "start computer with CD-Room support".
It will take you to DOS, starting from hard-drive. It'll look like this
e:\>
Write fdisk and press enter.
e:\>fdisk
It will show five options
1. Create DOS partition or Logical DOS Drive
2. Set active partition
3. Delete partition or Logical DOS Drive
4. Display partition information
5. Change current fixed disk drive
Press 1 to select the Create DOS partition or Logical DOS Drive menu option, and then press ENTER.
Press 1 again to select the Create Primary DOS Partition menu option, and then press ENTER.
Assign a size of disk for partition. Suppose you assign 50% for first partition.
Write 50% in disks pace and press enter.
Press ESC to come to main menu.
1. Create DOS partition or Logical DOS Drive
2. Set active partition
3. Delete partition or Logical DOS Drive
4. Display partition information
5. Change current fixed disk drive
Press 1 to create dos partition or logical dos drive. Now press 2 in sub-menu for "Extended DOD partition option". Assign a space from hard-disk. Press enter.
Press ESC to come to main menu.
1. Create DOS partition or Logical DOS Drive
2. Set active partition
3. Delete partition or Logical DOS Drive
4. Display partition information
5. Change current fixed disk drive
Press 2 to Set active partition. Choose a drive to set it active. In above example we made two partitions of 50% each. Let's suppose that two partitions are C: and D:
Choose C: to be active and press enter.
Press ESC to come to main menu.
Press ESC again to come to DOS.
Restart computer.
For reference see
http://support.microsoft.com/kb/255867