Error on Installing Server Release 8.0

[Benoy]

Dear friends

 I tried to install Oracle8 Server Release 8.0 in a pentium III  with
2GB HDD partition.

 while installing server getting some error messages  ie.

 "A write error occurred while trying to copy
/mnt/cdrom/unixdoc/server.805/install/lnx_server.805.map to
/home/oracle/u01/app/oracle/product/8.0.5/doc/server.805/install/lnx_ser
..........etc... "

 Please help me

 Benoy George