Re: [Help]Reading EC - T14 G1 AMD with RT809h

Did I need to use "EC_Mute" with 100k R to enable 'SPI Mode' or something like that? I don't understand, the RT809h can't read it or i just do it wrong, if someone have an idea for that..

[ATTACH]302513[/ATTACH]

More detailed pictures of EC:
[ATTACH]302515[/ATTACH]
[ATTACH]302514[/ATTACH]

Datasheet for ITE / IT8512E, I can't find for 8300:
[ATTACH]302516[/ATTACH]

Any help is welcome .Re: [Help]Reading EC - T14 G1 AMD with RT809h
...

Hello everyone!
I try to read the EC ITE/IT8300FN where the bios password is stored.
The laptop is Lenovo T14 G1 AMD Ryzen 4650U, the MB is NM-C801.

I can't read the chip with RT809H with ITE board and PFC cable. Might be I need to do something more to enable programing mode(SPI Enable?).
I saw the post in another forum for T14s AMD (different MB but same EC configuration and pinouts) and one user successfully read and write the the same chip with SVOD3.

Some details what i did:
Battery and CMOS battery is unplugged.
I click Read and then...

Re: ThinkPad T14 Supervisor password



Anyone could help same laptop, same programmer?
I face exactly same error, as a difference I use 24-pin FPC cable as requirement of programmer, with right pinout (from diagram) and nothing...
I found post in another forum about T14S with almost same MB, and same EC and one user read well the chip, and remove the password but with [B]SVOD3[/B].
[CODE]
012: Please use the 24-pins FPC cable and close to Keyboard interface 1 pin with same align direction.

036: Wait for the chips enter into the ISP...

Re: Thinkpad T14 Gen 1 - Gt4A1 NM-C801 REV1.0 SCHIMATIC



Thank you soo much for this scheme!!!
Could someone point me where is the pinout for IT8300 (EC) and the RT809H could read this chip? ...

Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal



I try to do factory reset and now have 0199 error for too many tries of SPV, can I reset(disable warning) only this to make it boot again? Is this setting is stored on some "easy" eeprom?...

Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal

Looking for some who can remove SP password from BIOS, the machine is T14 G1 AMD ID:TP00103G , Type:20UE-S0VT00. I have CH431 and TTL866 Plus.

Re: New Members - please post your introductions here

Hello all, am here to read some information about flashing! Thanks!