Deleteing Partitions

Have a Compaq Prosignia 200 with 3 partitions
on a single 4.3 GB Seagate SCSI drive. Partition 1 is 30 MB, non-dos for the COMPAQ setup/diagnostics. Partition 2 is 31MB, Primary and contains DOS. Remainder of the drive has been created as an extended DOS partition which allegedly contains 1 drive formatted for NTFS.
I want to re-partition so that the COMPAQ
utilities remain, and have the remainder of the drive formatted DOS/NTFS or whatever.
Problem is that in order to remove the extended partition, I need to delete the drives in it before deleting the extended, then the primary partition. Using FDISK, I go to delete the logical drive(s) in the extended partition, but get the response no drives exist. So I go to delete the extended DOS partition, and I get the error, can't delete the extended partition until logical
defined drives are deleted.
Am using DOS 6.20 FDISK .... Any suggestions?

try to create a logical drive on the extended partition and then delete it then the partition maybe it will work.
if this partition is a NTFS one try to make it from the non-dos partitions section.

Tried that, but there was no space available in the extended partition. What I ended up doing was to boot off the NT CD and was able to delete all the partitions through the NT partitioning software. Thanks for the reply.