NM-A651 L460 Laptop (ThinkPad)

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Lenovo ThinkPad L460
BIOS
Skylake

NM-A651 L460 Laptop (ThinkPad)
ECROM IT8586

L460 Laptop (ThinkPad)
Machine Type 20FU

L460 Laptop (ThinkPad)
Machine Type20FV
L460 20FV BL460 NM-A651 i5-6300U use two BIOS 8MB
Schematics Lenovo ThinkPad L460 NM-A651 Rev 0.1
Screen Shot 2020-07-12 at 19.36.17.jpg
 

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ThienBui said:
NM-A651 L460 Laptop (ThinkPad)
ECROM IT8586

L460 Laptop (ThinkPad)
Machine Type 20FU

L460 Laptop (ThinkPad)
Machine Type20FV
Click to expand...


Dear all.

Please, I need help with programming IE8586E on board Lenovo BL460 NM-A651.
Reading is Ok.
Writing not working.
I used JIG V3.1 and software ver 5.4.
I don't know where is problem.

Thanks for your help.
 
Thanks for your information.
Other model not problem with R/W, only this model have this symptom.
All connection are OK.
I don't know where can by problem.

NM-A651 KB_pins=32 (JKB1) PD0=7 PD1=11 PD2=13 PD3=18 PD4=14 PD5=10 PD6=17 PD7=15 BUSY=4 STB=12 AFD=1 INIT=8 SLIN=9 KSI4=5 KSI5=6
 

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  • 20170926_213035.jpg
    20170926_213035.jpg
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I had to unsolder KB chip and reprogram in external adapter.
I could not program it through the Keyboard Port.
I repeated 3 times because I did not know what to change.
Now it works :)
 
ThienBui said:
NM-A651 L460 Laptop (ThinkPad)
ECROM IT8586

L460 Laptop (ThinkPad)
Machine Type 20FU

L460 Laptop (ThinkPad)
Machine Type20FV
Click to expand...

hi, can u find another bios file for this type for me ? I used this file but the motheboard won't display while using the old bios still display but it freezes. Please help.
 
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