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

 

[mckpea]

still asking for password

 

[mckpea]

sorry, I was wrong I programed my old dump after programing your ec.zip motherboard shutdown, there no is 3v on motherboard, the first mosfet don't open, any ideas ?

Something was wrong witch usb-c, I have the DC on board, on my ec dump working ok, this form you is bad, motherboard not start, any idea ?

 

[ThienBui]

sorry, I was wrong I programed my old dump after programing your ec.zip motherboard shutdown, there no is 3v on motherboard, the first mosfet don't open, any ideas ?

Something was wrong witch usb-c, I have the DC on board, on my ec dump working ok, this form you is bad, motherboard not start, any idea ?

now Laptop dead?

 

[mckpea]

now Laptop dead?

yes, no response on power button, on my dump is ok I checked.

 

[ThienBui]

yes, no response on power button, on my dump is ok I checked.

file I send password not remove or laptop not on ?

 

[mckpea]

laptop not on

 

[ThienBui]

laptop not on

ready try file 256KB ?
T490_mec.bin.zip

 

[mckpea]

ready try file 256KB ?
T490_mec.bin.zip

still not power

 

[ThienBui]

ok, send one photo display lock I check

 

[mckpea]

ok, send one photo display lock I check

 

[ThienBui]

try file this

please make a video i check if the setup is successful

 

[mckpea]

try file this

please make a video i check if the setup is successful

on, this dump, laptop not on,
maybe i'm doing something wrong, my programming procedure looks like this.
1. I connect the SVOD
2. I connect the power supply, the board starts automatically
3. programming
4. I turn off the disc
5. I disconnect the SVOD
6. I connect the power

 

[mckpea]

IMG_4995.mov

drive.google.com

 

[mckpea]

IMG_4995.mov

drive.google.com

Any idea ?

 

[ThienBui]

Any idea ?

goode link you sent i don't have access

 

[mckpea]

goode link you sent i don't have access

nów check

IMG_4995.mov

drive.google.com

 

[mckpea]

nów check

IMG_4995.mov

drive.google.com

any idea ?

 

[ThienBui]

any idea ?

I don't even know what to do next

 

[Naveed786]

Ģ

now Laptop dead?

Sir i have same problem

 

[Naveed786]

Ģ

Sir i have same problem

I am use only copy ec file after seme ec file write but laptop is daed