i just buy a new Conroe E6320 1.86Ghz and here are full info about stepping

product code # BX80557E6320 SLA4U
MM # 888976
Fpo # L652B341
version # D89017-001
pack date 04/11/07

starting overclock

http://valid.x86-secret.com/show_oc?id=191511

stock Vcore all time

http://valid.x86-secret.com/show_oc?id=191515

still stock vcore from box

and here i put only 1,47v for Vcore

http://valid.x86-secret.com/show_oc?id=191521

booting from bios to windows this with 1.5v

http://valid.x86-secret.com/show_oc?id=191524

testing Fsb wall

seems have no fsb wall at all

http://valid.x86-secret.com/show_oc?id=191582

booting 554fsb from bios and no change voltage at northbridge and soutbridge.

http://valid.x86-secret.com/show_oc?id=191638

just prime with Orthos now in 33 min and checking temps

http://img145.imageshack.us/my.php?i...os33minph5.jpg

cooling Tuniq Tower 120 and no mods at all with motherboard

just tested 542 x 7 with 1,75v and booting