thanks for the replies. It would be interesting to get a software RAID and also a 100% hardware (DPT, etc) test to compare w/ radafuk results. Just to add my two cents, I tested my Duron 700, ASUS A7V133,"Promise Fasttrack 100" onboard controller (PDC 20265) (same as radafuk) using ONE Quantumm (plusAS) 7200, so not using RAID: garantes@dinamica:~$ bonnie++ -s 512 Writing wth putc()...done Rewriting...done Writing intelligently...done Reading with getc()...done Reading intelligently...done start 'em...done...done...done... Create files in sequential order...done. Stat files in sequential order...done. Delete files in sequential order...done. Create files in random order...done. Stat files in random order...done. Delete files in random order...done. Version 0.99e ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine MB K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP dinamica 512 6736 98 19269 9 8075 9 6395 91 19233 7 26.0 0 ------Sequential Create------ --------Random Create-------- -Create-- --Stat--- -Delete-- -Create-- --Stat--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 30 233 99 645 99 5027 100 256 99 807 99 476 76 dinamica,512,6736,98,19269,9,8075,9,6395,91,19233,7,26.0,0,30,233,99,645,99,5027,100,256,99,807,99,476,76 Guilherme ------------------------------------ http://www.dinamicasonora.hpg.com.br