No keyboard function uo boot up

This is a strange one,
A friend gives me his computer to fix because it won't boot up. It just says no operating system present. It is a custom built machine, about a year old, that I did not build. The specs are ABIT IT7 with P4 2.53, 1GB Mushkin memory and 2 WD 80GB HD in a RAID 0 array. It seems the RAID controller would not pick up one of the drives. Check the obvious cables PS connections etc. everything looks good. Ran diagnostics on the failed drive in a test bed computer and it did not pass.
This is where it gets weird.
Replaced the drive with an identical one and proceeded to build the array. I could not get into the RAID Controller BIOS. The keyboard seems to not function. I tried to get into the MB BIOS and the keyboard still does not function. This is an interesting MB because it does not have any connections for leagacy devices. No PS2, no serial ports, no parallel ports, just a bunch of USB and Firewire. I tried different keyboards and tried using a USB to PS2 converter with a standard keyboard and nothing.
The next thing I tried was putting a HD on the standard IDE primary channel as master. I couldn't get it to boot off the CDROM. It always wants to boot off the HD and nothing else. I can't get into the BIOS to check the Boot sequence.
My last resort was placing the HD in another computer and installing the OS there then putting the drive back into the machine and it finally boots up. The mouse, keyboard and everything else works in the WinXP environment but will not work when the machine boots up. Only when it boots into Windows.

Any suggestions, been working on this for days and I still need to get into the BIOS
Who is Participating?
DavidMcConnect With a Mentor Commented:
From aBit's site:

Switch off the power supply unit or pull off the power cord. There is a CMOS jumper near the battery. Change the jumper position from default 1-2 to 2-3 for one minute to discharge the CMOS data, and then put it back to default 1-2. Switch on the power supply unit or pull in the power cord. Press the power-on button to boot up system. If it works, hit "Del" key to enter the BIOS setup page to do correct settings.
CallandorConnect With a Mentor Commented:
When you have a USB keyboard, you usually have to enable the legacy USB device setting in the BIOS, in order to use it before it gets into Windows.  But you may have a catch-22 there.
This site captured screen shots of the BIOS, so USB keyboards are assumed to work without additional help:

Maybe you should reset the CMOS?
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crazijoeAuthor Commented:
Yeh, I tried resetting the BIOS. I even tried to update the BIOS but it won't boot to the floppy.
Sounds like you got a seriously messed up machine there.  If you can't get to the BIOS, you are going to be crippled.
studlyedConnect With a Mentor Commented:
when resetting the bios did it come up with saying cmos checksum wrong or something like that
make sure there is NO POWER to the board. this means pull the plug from the power supply. otherwise the bios will use power from the power supply and not the battery so all this is useless
try flipping the jumper for about 5 minuutes. still nothing do the folling
if not try puling the battery for 5 minutes. still no go pull it out and leave it over night
now it should deffinately say cmos checksum is wrong and give you the option of pressing f1 for bios and such. it should also be at defaults.

also could it be that your adapter is bad? try aa true usb keyboard.
crazijoeAuthor Commented:
I have tried to reset the BIOS serveral different ways. I do get a message that CMOS has changed and to press delete to enter the BIOS but keyboard still does not function. I am almost certain the BIOS is corrupt and it is not the hardware. If there was just some way of getting the machine to boot to the floppy.
Can you try setting up a DOS system on that hard disk that worked, using another machine?  Copy the BIOS flash files that you need to it, and then try booting it up.  It should be just as if you had a floppy working.
if the keyboard still doesnt work then you would need to set up autoexec.bat with something like this...but i think it wtill requires some input

this is for award. you might be able to put in a text file with the commands it n'eeeds like y then enter then n or something.
awdflash <biosfile>
crazijoeAuthor Commented:
I'll try that this weekend.
crazijoeAuthor Commented:
I did finally get to flash, and go into the BIOS. Abit has a program called FlashMenu that allows you to flash the BIOS in a Windows environment. The keyboard now works and everything seems fine. I spit the points among everybody who participated in the question.
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