ALLservice Service Forum
support board, PC repair, unlocking solutions
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Search found 3 matches
Service Forum Forum Index
Author Message
  Topic: driven-i2cprog circuit problems
wpsx

Replies: 5
Views: 6624

PostForum: IBM/Lenovo ThinkPad Password Help Center (EN)   Posted: Mon Dec 12, 2022 4:53 pm   Subject: driven-i2cprog circuit problems
Sorry previous picture is hard to see.
I think black strip cathode towards the IC. is it wrong?
https://flic.kr/p/2o5tdb4
  Topic: driven-i2cprog circuit problems
wpsx

Replies: 5
Views: 6624

PostForum: IBM/Lenovo ThinkPad Password Help Center (EN)   Posted: Mon Dec 12, 2022 2:17 am   Subject: driven-i2cprog circuit problems
It's been a while.
I made that's circuit again. but circuit didn't work.
https://flic.kr/p/2o5nYR7
Serial Port pinasign is

4 - red
5 - brown
7 -gray
8 - purple

The wires were aligned and ...
  Topic: driven-i2cprog circuit problems
wpsx

Replies: 5
Views: 6624

PostForum: IBM/Lenovo ThinkPad Password Help Center (EN)   Posted: Fri Nov 04, 2022 6:24 pm   Subject: driven-i2cprog circuit problems
Hello I created a circuit based on this site.
https://web.archive.org/web/20070312154157/http://www.rkawakami.net:80/ibm_600x/max232_if/

but When I ran itester, SDA in remained 0, SDA out and CTL ...
 
Page 1 of 1
All times are GMT + 2 Hours
Jump to:  



Powered by phpBB © 2001, 2005 phpBB Group