serial redirection not working on Centos 6

I cannot get the serial redirection to console to work in Centos 6.  It works fine with Centos 5.

grub .conf has the following related with serial

serial --unit=1 --speed=115200
terminal --timeout=8 console serial

ro root=LABEL=/ console=tty0 console=ttyS1,115200n8

This is a Dell server which we enabled the serial redirection in the bios.

The terminal shows up and we can see the server.  However, the keyboard will never work correctly.  We type root as a login which works okay, but the password never works via the terminal.  We can ssh into the box and use a login and password fine.

it seems that keyboard setting is not mapping correctly to the console.  We are using VT100 and the bios uses VT100.
ssarkarnetipAsked:
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multimacCommented:
You need to edit the file
/etc/securetty
and add the terminal device, e.g.
ttyS0
ttyS1

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Then root login is possible.
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ssarkarnetipAuthor Commented:
Added the console to grub.conf which fixed it.

console=tty0
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ssarkarnetipAuthor Commented:
console=tty0 was added to grub.conf
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ssarkarnetipAuthor Commented:
Added to the end of the kernel line.
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