not detect

[sepid]

hi to all
i have a hdd wd10ezrx-00l4hb0
when power on, For the duration 2m bsy after 2min led bsy off and only led error on
then auto detect :
Techno mode key
Techno mode key......................... : Ok

Debug Stop Code......................... : HOST DEBUGSTOP RESET TIMEOUT

RAM:
HDD Info reading........................ : Ok
Heads number............................ : 1
Cyl Count............................... : 256

ROM:
Read ROM................................ : Ok
ROM Data size........................... : 256 Kb
Flash ROM dir reading................... : Ok
Flash ROM dir reading (Ext)............. : Ok (Active)
Modules directory address............... : 208 640
SA regions address...................... : by default
SA Translator loading................... : Module ID 30 reading error Data request error - Device Error Detected: "FM ERR HEADER II SIGNATURE INVALID"

ROM Modules:
ROM version............................. : 01.26G
ROM F/W version......................... : 00010026
Overlay F/W version..................... : 01.26G
Servo F/W version....................... : 12.22

Head Map Reading Error.................. : Head map check sum error


i do upload ldr
all module is ok and test head too is ok
thanks

[AdasRip]

This disk has only one head? Damaged map of heads?

[sepid]

yes
head map is damage
now only 1 head
but i think this hdd have 4 head

[Maxim_TS]

sepid, block SA access in ROM and restart the drive. Will the head map be the sme and module 30 with error?

[sepid]

hi
i do SA black
and upload loader is ok
test head is ok
all module ok
but when Allow SA access agin hdd bsy
i do in rom module 20b change
at line 0x0020 02 01 00 18 00 03 18 90 02 00 2F 03 00 00 2F 03
i did change 0x0020 02 01 00 18 00 03 18 90 02 00 2F 02 00 00 2F 02
hdd out of bsy and led on DRD DSC
but do not upload loader
Module (0001) read error Module ID 01 reading error Data request error - Device Error Detected: "FM ERR HEADER II SIGNATURE INVALID"

[Maxim_TS]

sepid, return the original modules back including 20b, and solve Slow Responding in drive. Then allow SA access in ROM and repower the HDD.

[sepid]

thanks maxim
i did before slow Slow Responding but no ansewer
when i do upload loader and Ram head map edit hdd detect ok and all head is ok
but when i press " allow SA access and restart " hdd no detect