Hello all,

I am having an issue installing x64 BT5R3 with Gnome on my laptop. I have done this install before without issue so maybe I am overlooking something. I am following this guide. My issue is with creating the first partition:

Code:
root@bt:~# fdisk /dev/sda

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
         switch off the mode (command 'c') and change display units to
         sectors (command 'u').

Command (m for help): d
Partition number (1-5): 1

Command (m for help): n
Command action
   l   logical (5 or over)
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-30401, default 1): 
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-65, default 65):


Why, after selecting the first cylinder as the starting point, does the number of cylinders drop to 65 from 30401?