Greetings friends

i have this ST3120813AS , which is not getting RDY , log shows


Interface task reset
2048k x 32 SDRAM
TONKA2 - 1_Disk M-31 11-15-05 14:51

Buzz - Head Mask FFFF - Switch to full int.
Spin Ready
(P)(H)SATA Reset
AT Er 00 Nwt Er 37 RdWr 1464a.01.01c3
ATA St 80 Er 01 Op 00 0,0000/0/00,00 01 00
Niwot: 97f29ff7 b6 97f29ff7.1.6b4 0000 005f 0000 0002
DiskAccess ReadSector EC=43 at 01464a.01.01c3

CE Log ErrCode=37 LBA=a2a5ba1 Type=5 Add To Pending a2a5ba1
AT Er 00 Nwt Er 37 RdWr 1464a.01.01c4
ATA St 80 Er 01 Op 00 0,0000/0/00,00 01 00
Niwot: 9ff79ff7 b6 9ff79ff7.1.6b4 0000 005f 0000 0002
DiskAccess ReadSector EC=43 at 01464a.01.01c4

CE Log ErrCode=37 LBA=a2a5ba2 Type=5 Add To Pending a2a5ba2
AT Er 00 Nwt Er 37 RdWr 1464a.01.01c5
ATA St 80 Er 01 Op 00 0,0000/0/00,00 01 00
Niwot: 9ff79ff7 b6 9ff79ff7.1.6b4 0000 005f 0000 0002
DiskAccess ReadSector EC=47 at 01464a.01.01c5

CE Log ErrCode=37 LBA=a2a5ba3 Type=5 Add To Pending a2a5ba3
AT Er 00 Nwt Er 37 RdWr 1464a.01.01c6
ATA St 80 Er 01 Op 00 0,0000/0/00,00 01 00
Niwot: 9ff79ff7 b6 9ff79ff7.1.6b4 0000 005f 0000 0002
DiskAccess ReadSector EC=43 at 01464a.01.01c6

CE Log ErrCode=37 LBA=a2a5ba4 Type=5 Add To Pending a2a5ba4
AT Er 00 Nwt Er 37 RdWr 1464a.01.01c7
ATA St 80 Er 01 Op 00 0,0000/0/00,00 01 00
Niwot: 9ff79ff7 b6 9ff79ff7.1.6b4 0000 005f 0000 0002
DiskAccess ReadSector EC=47 at 01464a.01.01c7

CE Log ErrCode=37 LBA=a2a5ba5 Type=5 Add To Pending a2a5ba5
AT Er 00 Nwt Er 37 RdWr 1464a.01.01c8
ATA St 80 Er 01 Op 00 0,0000/0/00,00 01 00
Niwot: 9ff79ff7 b6 9ff79ff7.1.6b4 0000 005f 0000 0002
DiskAccess ReadSector EC=47 at 01464a.01.01c8

I tried to swap PCB to be sure its not related to read/write channels , with no luck ..

i suspect heads .. any hints please ?

thanks

check
viewtopic.php?f=1&t=32786&p=228338&hilit=DiskAccess+ReadSector#p228338