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Topic: [Tutorial]How to unlock [older] ThinkPad supervisor password |
carl0s
Replies: 377
Views: 1527608
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Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Thu Jun 28, 2007 11:34 am Subject: [Tutorial]How to unlock [older] ThinkPad supervisor password |
It's been a while since I've been here
Anyway, I thought I would post up a picture of the interface as I built it, because I was pleased with how simple it was in the end.
No need for circuit ... |
Topic: A21 Atmel, where? |
carl0s
Replies: 2
Views: 13800
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Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sun Jan 22, 2006 3:28 am Subject: A21 Atmel, where? |
Perhaps..
Almost is not enough! You should probably have the system board in your hands, and have a very bright torch to read the chips.
However, I'm sure someone here has done an A21 before and w ... |
Topic: Driven-I2C Circuit - how does this look? |
carl0s
Replies: 9
Views: 28384
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Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Jan 21, 2006 12:31 pm Subject: Driven-I2C Circuit - how does this look? |
hmm that's very interesting, but I can't see any other 2402, other than the one which I read sucessfully many times with the SimpleI2C circuit. That chip has now suffered much damage around the pins a ... |
Topic: Driven-I2C Circuit - how does this look? |
carl0s
Replies: 9
Views: 28384
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Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Jan 21, 2006 3:59 am Subject: Driven-I2C Circuit - how does this look? |
It was IC1103, marked "2402", made by ST. Strangely though this was a 512byte eeprom, and was read as a 2404. The password was not decryptable but I wrote six bytes of 00 at offset 0x100 and all was w ... |
Topic: Driven-I2C Circuit - how does this look? |
carl0s
Replies: 9
Views: 28384
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Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Jan 21, 2006 3:20 am Subject: Driven-I2C Circuit - how does this look? |
IT'S WORKING!! I LOVE YOU VICTOR!!! IT HAS READ THE OTHER EEPROM WHICH WOULDN'T READ BEFORE, AND THIS ONE HAS READABLE INFORMATION IN IT! |
Topic: Driven-I2C Circuit - how does this look? |
carl0s
Replies: 9
Views: 28384
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Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Jan 21, 2006 2:48 am Subject: Driven-I2C Circuit - how does this look? |
Help! It doesn't work Have I used an incorrect type of capacitor? I have used 1uF, but should have used electrolytic capacitors instead? The diodes are the correct way around I think.. Please h ... |
Topic: Driven-I2C Circuit - how does this look? |
carl0s
Replies: 9
Views: 28384
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Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Thu Jan 19, 2006 3:20 am Subject: Driven-I2C Circuit - how does this look? |
Does there look to be anything wrong here? I haven't got the SDA/SCL/GND wires coming off it yet, as I'm not finished and it's bed time.
It seems strange that I'm putting all the power directly into ... |
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