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Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
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NRG LIST LIST ????

November 4th, 2015, 8:59

HOW TO CLEAR V40 NRG (NON-Resident G-LIST) :roll:

Re: NRG LIST LIST ????

November 4th, 2015, 9:14

The info has been posted many times before. Not advisable if you want to recover data so think twice before executing it and don't forget to backup!
T>i4,1,22

Re: NRG LIST LIST ????

November 4th, 2015, 9:31

is this clear ng list :) :)

Re: NRG LIST LIST ????

November 4th, 2015, 10:40

It's clear only G-List.
There is no command for clear NG-List.

Re: NRG LIST LIST ????

November 4th, 2015, 11:09

I thought it should clear both lists? G and NRG or not?

Re: NRG LIST LIST ????

November 4th, 2015, 14:44

If you have professional tools as PC3000 or MRT you can clear NRG list, but not via terminal commands.
Even HD Doctor (SalvationData) has the option to clear NRG :lol:

Re: NRG LIST LIST ????

November 4th, 2015, 15:14

If you want to learn about what you can do in terminal I suggest you visit this thread: https://www.data-medics.com/forum/seaga ... -t901.html

And, yes I do believe that the T>i4,1,22 command clears the NRG. But, please correct me if I'm wrong... I don't do this type of thing manually much having PC-3000 here, so I very well could be off.

Re: NRG LIST LIST ????

November 4th, 2015, 17:51

T>i4,1,22 is clear G-List only.

As far as i know there is no terminal command to clear NG-list. The only command that would come close is m0,6,2,,,,,22 this will clear both G-list and NG-list and rebuild translator taking P-List into account leaving user data area untouched.

First check if the NG-List has any entries using "V40" in terminal. If there are no entries its safe to use the above command but if there are entries make sure you BACKUP the drives firmware so you can restore the NG-List later or you will have very limited or no access to user data and the translator will be corrupt.

Trust me its not fun trying to rebuild a translator with a missing NG-list that had entries.

Re: NRG LIST LIST ????

November 5th, 2015, 1:20

Also the i4,1,22 command DOES NOT delete the NRG, or P-LIST.
It deletes the G-LIST, ALT-LIST and SLIP lists.

Re: NRG LIST LIST ????

May 21st, 2016, 9:57

Enter i4,1,22
/ 1 ENTER
N1 Enter
/ T Enter
m, 6,2 ,,,,, 22 Enter
Enter m0,2,2 ,,,,, 22
m, 6,3 ,,,,, 22 Enter
Click on a key repair button





ANOTEHR MTEHOD


F3 T>

ASCII Diag mode

F3 T>

ASCII Diag mode

F3 T>V40

Nonresident GList 7 entries returned

Total entries available: 7

PBA Len Flags Phy Cyl Hd PhySctr SFI

227EB3A0 23 0 1F6D2 0 5E6 524D2

27A4C987 20 0 24DE3 0 22D 2F897

2E1BD866 6 0 2C343 0 0 13254

2E1BDEEA 18 0 2C343 0 684 101FF

3489CD83 1B 0 345B8 0 414 33593

36DF71D9 1F 0 37900 0 A2 6050E

38F3F872 18 0 3AA17 0 273 87206



F3 T>/1


F3 1>U0044,7602,0

Adr 00447602 ( 06447602 ) = 00

F3 1>/2


F3 2>A

Current Addr Mode

User LLL CHS Mode, Seq In, Rnd Data

Hd 0 Cyls 000000 - 03C934

Hd 1 Cyls 000000 - 039802


All Addr Modes

User LBA Mode

LBAs 00000000 - 3A38602F

System LBA Mode

LBAs 00000000 - 000972CF

User LLL CHS and User LLP CHW Modes

Hd 0 Cyls 000000 - 03C934

Hd 1 Cyls 000000 - 039802

System LLL CHS and System LLP CHW Modes

Hd 0 Cyls 000000 - 000152

Hd 1 Cyls 000000 - 000152

PLP CHS and PLP CHW Modes

Hd 0 Cyls 000000 - 03D93C

Hd 1 Cyls 000000 - 03A798


Buffer Sector Offset 00000000


F3 2>/A


F3 A>W4FA6,1,,22



F3 A>/1



F3 1>U0044,7603,0

Adr 00447603 ( 06447603 ) = 00

F3 1>/2

F3 2>C2238,298D


F3 2>/A


F3 A>W4FA6,1,,22



F3 A>

Re: NRG LIST LIST ????

May 21st, 2016, 12:05

galaxy wrote:Enter i4,1,22
/ 1 ENTER
N1 Enter
/ T Enter
m, 6,2 ,,,,, 22 Enter
Enter m0,2,2 ,,,,, 22
m, 6,3 ,,,,, 22 Enter
Click on a key repair button





ANOTEHR MTEHOD


F3 T>

ASCII Diag mode

F3 T>

ASCII Diag mode

F3 T>V40

Nonresident GList 7 entries returned

Total entries available: 7

PBA Len Flags Phy Cyl Hd PhySctr SFI

227EB3A0 23 0 1F6D2 0 5E6 524D2

27A4C987 20 0 24DE3 0 22D 2F897

2E1BD866 6 0 2C343 0 0 13254

2E1BDEEA 18 0 2C343 0 684 101FF

3489CD83 1B 0 345B8 0 414 33593

36DF71D9 1F 0 37900 0 A2 6050E

38F3F872 18 0 3AA17 0 273 87206



F3 T>/1


F3 1>U0044,7602,0

Adr 00447602 ( 06447602 ) = 00

F3 1>/2


F3 2>A

Current Addr Mode

User LLL CHS Mode, Seq In, Rnd Data

Hd 0 Cyls 000000 - 03C934

Hd 1 Cyls 000000 - 039802


All Addr Modes

User LBA Mode

LBAs 00000000 - 3A38602F

System LBA Mode

LBAs 00000000 - 000972CF

User LLL CHS and User LLP CHW Modes

Hd 0 Cyls 000000 - 03C934

Hd 1 Cyls 000000 - 039802

System LLL CHS and System LLP CHW Modes

Hd 0 Cyls 000000 - 000152

Hd 1 Cyls 000000 - 000152

PLP CHS and PLP CHW Modes

Hd 0 Cyls 000000 - 03D93C

Hd 1 Cyls 000000 - 03A798


Buffer Sector Offset 00000000


F3 2>/A


F3 A>W4FA6,1,,22



F3 A>/1



F3 1>U0044,7603,0

Adr 00447603 ( 06447603 ) = 00

F3 1>/2

F3 2>C2238,298D


F3 2>/A


F3 A>W4FA6,1,,22



F3 A>


m0,6,2,,,,,22 in some cases only Clear NGLIST and GList
but not Always
and other Command You enter For Clear Buffer is useless and Rarely if Success

you have 3 Ways for Clear NRG List

1- By ATA Directly less than 1 Sec
and in lettel cases may fail

2- By m0,6,2,,,,,22
50 % Success

3- Manually
by Edit Entries make it Zero
Zen Fill All Entries With Same data Pattern
and fill NRG Index

this 100 % Success Rate
and i prefer this way in all my work
i have video for this process if any one need PM Me

also i upload here

http://www.hpwlab.com/hdd-en/thread-89-1-1.html
and here

http://www.hpwlab.com/hdd-en/thread-37-1-1.html

Re: NRG LIST LIST ????

May 21st, 2016, 12:08

data-medics wrote:If you want to learn about what you can do in terminal I suggest you visit this thread: https://www.data-medics.com/forum/seaga ... -t901.html

And, yes I do believe that the T>i4,1,22 command clears the NRG. But, please correct me if I'm wrong... I don't do this type of thing manually much having PC-3000 here, so I very well could be off.


even if you have pc3k you know that 4 number is For G-list so it Clear only Glist
not NRG List

Re: NRG LIST LIST ????

May 21st, 2016, 12:11

day1data wrote:T>i4,1,22 is clear G-List only.

As far as i know there is no terminal command to clear NG-list. The only command that would come close is m0,6,2,,,,,22 this will clear both G-list and NG-list and rebuild translator taking P-List into account leaving user data area untouched.

First check if the NG-List has any entries using "V40" in terminal. If there are no entries its safe to use the above command but if there are entries make sure you BACKUP the drives firmware so you can restore the NG-List later or you will have very limited or no access to user data and the translator will be corrupt.

Trust me its not fun trying to rebuild a translator with a missing NG-list that had entries.


good , and agree with you
but if for mistake clear NRG
there are way to restore it
and Recover data

Re: NRG LIST LIST ????

May 21st, 2016, 12:12

dick wrote:The info has been posted many times before. Not advisable if you want to recover data so think twice before executing it and don't forget to backup!
T>i4,1,22


are u sure ????????????????????
this Clear G-list only not NRG
And Clear NRG manually is best or by ATA

Re: NRG LIST LIST ????

June 8th, 2016, 4:55

dear hpwlab i saw your link but says your ip address is banned so what is the problem with ip

Re: NRG LIST LIST ????

June 8th, 2016, 11:18

Why would you want to clear NRG list ?
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