1. Attention During the assembly of the Tape Backup unit in the Altos R710 or Altos R720 by using the Tape conversion Kit P N S0 R0703 010 S0 R0703 009 please use only the screw holes 2 and 3 Please don t use the first screw hole 1 as it could possibly damage the Tape Backup Unit DON T USE THIS Screw hole 3 Screw hole 2 All the How To guides can be found on http support acer euro com documents howto SO R0703 010 R710 R720 SAS SATA Tape conversion Kit