[CentOS] Server without keyboard

I'm trying to set up a small machine as a server using a Via EPIA SP 8000E mini ITX motherboard. It's got a fanless Eden processor and I'm using a SATA hard drive. The CD drive is removed, as I only wanted it to install CentOS and don't anticipate needing it again.

My problem is running this machine with CentOS without the keyboard. I've set the BIOS to ignore keyboard errors so it boots OK, but I can't get it to restart without a keyboard attached.

Logging into it as root via ssh and telling it to

shutdown -h now

works fine, but when I tell it to

shutdown -r now

it gets as far as the "Restarting system." message then just freezes.

Is there any known solution to this?

Thanks.

Dave Fletcher