BIOS T490s FT491/FX390 NM-B891

them dang · Nov 3, 2023

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

ThienBui · Nov 3, 2023

them dang said:
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 · Nov 9, 2023

ThienBui said:
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 · Nov 9, 2023

khawarsa said:
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 · Nov 9, 2023

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

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

ThienBui · Nov 9, 2023

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

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

nafienew1 · Nov 11, 2023

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

ThienBui · Nov 11, 2023

nafienew1 said:
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 · Nov 14, 2023

ThienBui said:
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 · Nov 14, 2023

CHECK THIS PLEASE

khawarsa · Nov 14, 2023

khawarsa said:
CHECK THIS PLEASE

UPDATE PLZ

ThienBui · Nov 14, 2023

khawarsa said:
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 · Nov 14, 2023

2kb eeprom option in programmer.

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

khawarsa · Nov 14, 2023

khawarsa said:
CHECK THIS PLEASE

But it doesn't in this picture

informaticanapoli · Dec 5, 2023

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 · Dec 5, 2023

informaticanapoli said:
RT809F

I think can not read mec this

LHHASSANE · Dec 18, 2023

BUILD NO DISPLAY X390

ThienBui · Dec 18, 2023

LHHASSANE said:
BUILD NO DISPLAY X390

LHHASSANE · Dec 18, 2023

DOES NOT WORK BECAUSE BIN 32MB

LHHASSANE · Dec 18, 2023

BIOS T490s FT491/FX390 NM-B891

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