abit an m2 bios uptade black screen:( not working MB

[aydd]

w ww.abit.com.tw/page/uk/motherboard/motherboard_detail.php?pMODEL_NAME=AN-M2&fMTYPE=Socket

ı was uptading my (am2) abit a- m2 mainboard bios , after bios uptade frozen i restart my computer and i didnt see any screen

1- i tried ms dos bootable disc to repair my bios but my computer didnt see flopy
2- i changed mainboard cmos clear jumper and again my computer didnt open
3- i opened another mainboard( foxconn amd ) and i started flash bios program then i changed bioses. i take out worked bios and i put on defective bios
and i tried setup bios again but it frozen only screen and keyboard work.,(DOS flash bios uptade method)
5- i tried different mainboards so it isnt work ? i have to use same mainboards for uptade bios again
6- how can i repair my bios ?do you have any differents way for repair bios?

[GoNz0]

http://www.motherboard-biosflash.co.uk/