LinuxQuestions.org - memory test by using memtest86---package in redhat

Hi,

Actually i want to make a test on my RAM module,that's why i installed
memtest86 package on my redhat5 os and after that i fired the following command
#memtest-setup //to set up memtest on grub menu

After this i got some entries in /etc/grub.conf file as below

# more /etc/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/mapper/vg_unix2-lv_root
# initrd /initrd-[generic-]version.img
#boot=/dev/sda
default=1
timeout=15
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Memtest86+ (4.00)
root (hd0,0)
kernel --type=netbsd /elf-memtest86+-4.00

title Fedora (2.6.32.11-99.fc12.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32.11-99.fc12.x86_64 ro root=/dev/mapper/vg_unix2-lv_root LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet

initrd /initramfs-2.6.32.11-99.fc12.x86_64.img

After this i reboot the system and i entered into the memtest86 through the grub menu.After this I got some blue screen in side this some testing is going on,I just let it to test for around 12 hours(pass count became 38), but still it was running that is why i just pressed the ESC key to interrupt it.
But I want to know how to make this test successful complete.

thanks in advance