[root@mint /]# syslinux-install_update -iam
Syslinux install successful
Boot Flag Set - /dev/sda1
ABORT! MBR installation to partition (/dev/sda)!
[root@mint /]# fdisk -l

Disk /dev/sda: 640.1 GB, 640135028736 bytes
255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x50606af8

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *          63      289169      144553+  83  Linux
/dev/sda2          289170     2281229      996030   83  Linux
/dev/sda3         2281230    90172844    43945807+  83  Linux
/dev/sda4        90172845  1250263727   580045441+  83  Linux
[root@mint /]#