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Log in| Search found 15 matches |
| Author | Message |
|---|---|
 Topic: unlock a thinkpad r52 |
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| semaj Replies: 3 Views: 18840 |
 Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Mon Jan 09, 2006 8:11 am Subject: unlock a thinkpad r52 |
| i will take a look around the net and see | |
| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Jan 07, 2006 5:51 am Subject: t42 |
| i will be working on a t42 that has a bios password on it soon. I plan to remake the max233 circuit and maybe the driven circuit max 232. I will try to release pictures and add it to the practice fo ... | |
| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Thu Jan 05, 2006 9:03 pm Subject: yo |
| i think the reason why the original driven circuits did not work was becouse the connection of the wires to the breadboard. the wires were so small that a good contact might not have been made. i kn ... | |
| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Thu Jan 05, 2006 8:18 am Subject: crc2 error and post boot image |
| the only thing i am unsure about is that when i boot before the password was changed i recieved a crc2 error
i dont get that anymore do i need to write to the bios at all with victors bios write wit ... |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Thu Jan 05, 2006 8:03 am Subject: siprog |
| it worked it worked it worked
thank-you victor they said i woudl have to replace the motherboard for 895$ my warranty literally ran out a month ago. i just paid almost 800$ to fix my can and it ... |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Thu Jan 05, 2006 1:44 am Subject: pinout request |
| i plan to build and test the siprog setup tonight or maybe thursday | |
| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Tue Jan 03, 2006 5:45 am Subject: zenor diode |
| we are abandoning our driven circuit and trying the siprog setup. I am still in search of a local company in cleveland, ohio that sells the 20 cent zenor diode. i will give update after that . | |
| Topic: Security chip on a x41 |
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| semaj Replies: 11 Views: 30438 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Dec 24, 2005 7:22 pm Subject: Security chip on a x41 |
| ok ill wait for the pictures
you may want to get the ibm service manual that you can find somewhere on this site and open the pc completely apart. then take a picture of the board in a digital pictu ... |
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| Topic: Security chip on a x41 |
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| semaj Replies: 11 Views: 30438 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Fri Dec 23, 2005 3:13 am Subject: location |
| look for the 24RF08 chip
my chip was labeled that i found the chip underneith the wireless card internally with the case on it is underneith the touchpad inbetween the palmrests i have a ibm think ... |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Tue Dec 20, 2005 11:02 pm Subject: pinout request |
| I used the information on MAXIM's website to "translate" your circuit to a circuit with a max233 chip. Here is the partial pdf file I used to match up the pins:
http://www.ogi.lakesemaj.com/temp/maxi ... |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Tue Dec 20, 2005 3:14 pm Subject: max233 chip |
| could this setup also be accomplished by using a max233 chip
our schematic is below http://www.lakesemaj.com/files/max233.pdf |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Tue Dec 20, 2005 7:05 am Subject: pinout request |
| i am also getting a crc2 error
i am still having problems with reading the eprom will try to work on this more tonight |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Mon Dec 19, 2005 9:29 pm Subject: is this bad, |
| should the serial port, pins 7 and 8, 6 and 4 should be connected.
Take a look at this site 2nd picture: http://lnx.manoweb.com/astro/telescope/cable/?partType=section&partName=serial&lang=e ... |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Dec 17, 2005 5:17 pm Subject: pinout request |
| ok i found the file thanks
i tried this setup and reader said could not find eprom i am going to rework th circuit again what would the correct voltage be if i used the max232 or 233 chip ? i used ... |
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| Topic: pinout request |
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| semaj Replies: 23 Views: 93650 |
Forum: IBM/Lenovo ThinkPad Password Help Center (EN) Posted: Sat Dec 17, 2005 1:09 am Subject: pinout request |
| i am trying to get the pinout for 232 chip to db9 connection. I cannot find the a correct one anywhere.
i also cannot find the driven-i2cprog.pdf file |
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