after compiling 2.4.20-pre4-ac2 the machine gets realy slow here goes some info ac2 -> dmesg 2.4.20-pre4-ac2 comp-ac1-ac2 -> hdparm -T -t /dev/hda with ac1 and ac2 .config my configure used in both ac1 anda ac2 lspci -> my lspci output -- Mauricio Pretto Gerente de Produtos Interage Integradora http://www.interage.com.br Técnico Certificado Conectiva Linux