After update with SD1A,my HDD in post was 0 LBA,than i downgrade to SD14 and fix this.procedure was: F3 T> F3 T>/2 (enter) F3 2> Wait about 20 seconds, then spin down the motor: F3 2>Z (enter) Spin Down Complete F3 2> remove the cardstock F3 2>U (enter) Spin Up Complete F3 2> Next go to Level 1 (type /1): F3 2>/1 (enter) And do a S.M.A.R.T. erase (create S.M.A.R.T. sector): F3 1>N1 (enter) When the prompt comes back up, turn off power to the hard drive, wait a few seconds, then turn it back on. Wait about 20 seconds, then finally do partition regeneration: F3 T>m0,2,2,0,0,0,0,22 (enter) I evan try this: F3 1>/T (enter) F3 T>i4,1,22 (enter) F3 T>m0,2,2,0,0,0,0,22 (enter) I have never received a reported error When i attach HDD with one where is my sys (windows xp),i cant pick up windows..i evan try to fresh install windows on this HDD.In install process he has been recognized but..when try to format him..process stay at 0%. EDIT: by both ,sd1a(downgrade to ad14 ..repair ..upgrade to sd1a) or ad14 (repair and stay on ad14) i cant pick up windows HDD label: 7200.11 ST3500320AS S/N:9QM0TEG0 P/N:9BX154-303 Firmw.:SD15 Date code:08316 Site code:KRATSG Thailand