WDC WD5000AZRX-00A8LB0 not access to all lba

[NSRGroup]

Hi

dd model wd5000AZRX detect and sa modules seems ok but no acces to all lba (it seems next 300,000,000 )

acces to lba with very very low speed in some lbas
and test head is ok

Model : WDC WD5000AZRX-00A8LB0
Firmware : 01.01A01
Capacity : 465.76 GB (976 773 168)

SA SPT.................................. : 1682

ROM:
ROM reading............................. : Ok
ROM Data size........................... : 256 Kb
ROM version............................. : 65.18J
ROM generation.......................... : 65.19J
Link table version...................... : 38.02.
Consolidated ROM version................ : 00650018

ROM Modules:
Flash ROM dir reading................... : Ok (Active)
Flash ROM dir reading (Ext)............. : Ok
Modules directory address............... : 92 115
SA regions address...................... : by default
SA Translator loading................... : Ok

Heads configuration..................... : by map
Heads number............................ : 2
Heads number in use..................... : 1
Switched off heads...................... : Yes
Heads map............................... : 1
ROM Firmware version.................... : 00650018

Service area:
Permanent overlay....................... : Loaded
SA dir reading (ID)..................... : Ok
SA Access............................... : Copy 0,Copy 1

Configuration reading................... : Ok
Master Password......................... : has not been set
User Password........................... : has not been set

Heads test
Cylinder to test........................ : -10
Heads to test........................... : 1
Head 1.................................. : Ok




with thanks
hamid bidrang