my current system config is - P4 2.4 ghz 1MB L2 cache HIS 845GVM-L motheboard Hynix 256 mb DDR RAM Seagate 80 gb (HDD 7400 rpm) Ge-Force MX 4000 128 mb agp card (8x) others.............. i have decided an upgrade ..as follows 1)a 80GB HDD same seagate (as the current is almost full with movies,songs,games etc) 2)256 MB of DDR RAM -hynix !!thats it!! q1)plzz suggest me whether its ok to have 160GB storage and 512 MB of RAM!! will my pc's performance be improved ??? Question 2>also i have a temporary 10GB HDD(FUJITSU -M2681TAM) which i have not used as it is of 5400 rpm (very old one) also i dont know whether it can be used!!! PLZZ TELL ME IF I CAN USE IT AS A SLAVE DISK ?? AND IF YES HOW DO I ATTACH IT??