BIOS T490s FT491/FX390 NM-B891

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T490s FT491/FX390 NM-B891
BIOS
T490S/X390 Logic Schematics
FILE BACKUP
Jazz/Sideswipe VER 1.0
boardview Thinkpad T490s - NM-B891Boardview.tvw
NM-B891-TYPE-C
LENOVO_THINKPAD_T490S_LCFC_NM-B891 photo

 

[ThienBui]

em tay ngang mới vào nghề a ơi, e đa số làm hardware thôi, ít làm mấy trường hợp như thế này. A giúp em với, em cảm ơn a nhiều ạ

nếu tay ngang thì mình khuyên bạn đừng đụng vào con nay, ngay cả tay chuyên nghiệp còn chưa dám nạp con này.

 

[khawarsa]

T490s FT491/FX390 NM-B891
BIOS
T490S/X390 Logic Schematics
FILE BACKUP
Jazz/Sideswipe VER 1.0
boardview Thinkpad T490s - NM-B891Boardview.tvw
NM-B891-TYPE-C

View attachment 137898

I PROGRAMMED YOUR MEC DATA BUT ITS LOCK.
DO YOU HAVE UNLOCK DATA FOR MEC1663.??

 

[ThienBui]

I PROGRAMMED YOUR MEC DATA BUT ITS LOCK.
DO YOU HAVE UNLOCK DATA FOR MEC1663.??

unlock need backup rom 2kb in MEC and buy patch 35$

 

[khawarsa]

unlock need backup rom 2kb in MEC and buy patch 35$

TO UNLOCK YOU WANT READ DATA OF MEC1663 256KB.?

 

[ThienBui]

TO UNLOCK YOU WANT READ DATA OF MEC1663 256KB.?

in mec have two rom
256kb and 2kb
you need backup 2kb

 

[nafienew1]

When the device is turned on, it makes four beeps and does not show the screen

 

[ThienBui]

When the device is turned on, it makes four beeps and does not show the screen

so you need to check where the problem is

 

[khawarsa]

in mec have two rom
256kb and 2kb
you need backup 2kb

Bro in MEC it shows 3 configurations (192KB)(256KB)(288KB)
BUT DOES NOT SHOW 2KB
CAN YOU PLEASE MENTION WHERE I CAN FOUND.?

 

[khawarsa]

CHECK THIS PLEASE

 

[khawarsa]

CHECK THIS PLEASE

UPDATE PLZ

 

[ThienBui]

Bro in MEC it shows 3 configurations (192KB)(256KB)(288KB)
BUT DOES NOT SHOW 2KB
CAN YOU PLEASE MENTION WHERE I CAN FOUND.?

It depends on your programming tool

 

[ThienBui]

2kb eeprom option in programmer.

Svod3
Svod4
Vertynov jig
Successor
All these programmer have option when read Mec

 

[khawarsa]

CHECK THIS PLEASE

But it doesn't in this picture

 

[informaticanapoli]

hello. Someone has some clear JTAG connection for MEC chip? We have Vertianov, RT809F and others... But We cannot connect to MEC chip. Vertianov has MEC option, but we don't know how to connect wires to this board. We try all pics and schematics here but no connection.,,

 

[ThienBui]

RT809F

I think can not read mec this

 

[LHHASSANE]

BUILD NO DISPLAY X390

 

[ThienBui]

BUILD NO DISPLAY X390

 

[LHHASSANE]

DOES NOT WORK BECAUSE BIN 32MB

 

[LHHASSANE]

PLZ

 

[LHHASSANE]

PLZ URGENT