Partition problems! Help!

[annafan uol com br]

Hello guys;

    I'm trying to Install RedHat Linux 6.1 in my computer, with Win98 and
15GB HDD.
    I used the FIPS2.0 program and created a second partition and formated
it using the DOS FORMAT. It's Ok.
    Then I started the RedHat setup, in text mode, and deleted the partition
named /dev/hda2, intended to free some space.
    However when I tried to allocate space at mount point / with Linux
native partition, the system says something like "unable to alocate, boot
partition too big".
    The problem is that I don't typed in the size field an amount greater
than the avaliable!

    Please help guys!
    Thank's.