Today I trying to install Ubuntu 10.04 but when I installing 10.04 from CD my keyboard works only in the startup menu when choosing whether to install or check for disk errors. but when I get to the actual installation and need to choose time zone, partitions and such, both keyboard and mouse are not working.

My pc configuration is: motherboard intel d102gcc2, processor Pentium D 2.8Ghz, ram 1gb. keyboard a4tech(ps/2),mouse:eyesee(ps/2) optical

waiting for reply