Toshiba CMOS Pasword reset

[matterbard]

Hey Guys, as i having trouble today with a toshiba Notebook which sets ítelf a cmos password caused by an empty rtc battery i found some (i hope) useful information for resetting the Cmos Password on a Toshiba Notebook. I got it from this Site:
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Removing the RTC Battery won`t help! Also there is no Master Password that works.
If there are no Pins to short, you can use an LPT Dongle. There is also an USB Dongle on the Net, i haven`t found schematics yet, if you have some, please post!
The more difficult way to get the Password out is to replace 2 Chips which you get get from another Notebook where no Password is set. You need to replace the small eeprom Chip and the Microcontroller(KBC?) which will work only together and may have a security Checksum, you also cannot dump the Data from the eeprom because ít encrypted.


How To Clear Your Toshiba Bios Password
8 08 2008

This Toshiba bios password removal process is meant for use on Toshiba laptops that you own or have had permission from the rightful owner to remove the password. If any of these processes are done incorrectly it may result in complete system failure or permanent system damage (you’ve been warned!).

Some Toshiba bios passwords can be reset using the Key Disk.exe utility, to do this you need a 1.44Mb floppy disk. Format the disk using Windows and then with a hex editor, change the first five bytes of the second sector to 4B 45 59 00 00.

Then put the floppy into your machine and boot it up, you’ll be asked for a password, just press Enter. Then when you’re asked to set the password, type Y then Enter, this will get you into the bios configuration where you can then type in a new password.

Aside from the KeyDisk, you can build a parallel Loopback plug, this is a simple device that plugs into the parallel port of the machine and removes the password when you boot it up.

To make it you will need a 25 pin DB25 plug, take the plug apart and join these pins using some old cable;
Pins: 1-5-10, 2-11, 3-17, 4-12, 6-16, 7-13, 8-14, 9-15, and 18-25

BD25 Loopback Configuration

Plug it into your parallel port and boot up your machine, the password should be removed as soon as it boots.

Note: This will work on majority of older Toshiba’s (1995 – 2002) and obviously only ones that have a parallel port.
CG Security

CG Security have a utility available that claims to work for a range of Toshiba bios passwords as well as the following machines;

* ACER/IBM BIOS
* AMI BIOS
* AMI WinBIOS 2.5
* Award 4.5x/4.6x/6.0
* Compaq (1992)
* Compaq (New version)
* IBM (PS/2, Activa, Thinkpad)
* Packard Bell
* Phoenix 1.00.09.AC0 (1994), a486 1.03, 1.04, 1.10 A03, 4.05 rev 1.02.943, 4.06 rev 1.13.1107
* Phoenix 4 release 6 (User)
* Gateway Solo – Phoenix 4.0 release 6
* Toshiba
* Zenith AMI

The utility also has the ability to restore, backup and erase/kill cmos. There is also some info about generic passwords for Award motherboards.

Check it out at CGI Security
Toshiba Bios Password Deletion

Satellite P100 & Satellite Pro P100

With notebook turned off;

* Open Wi-Fi Cover
* Remove Mini Card Wi-Fi card
* Locate & Short Out JP8 for 5 Seconds
* Remove short and turn on
* NO BOOT
* Press & Hold Power button to turn off
* Turn on again & password is cleared

Satellite L10, L20, L30 & Satellite Pro L20

With notebook turned off;

* Open Wi-Fi Cover
* Locate & Short Out JP1 for 15 Seconds (Satellite L10)
* Satellite L20/Pro L20 short out G1

Satellite M100 & Tecra A6

With notebook turned off;

* Open Memory Cover
* Remove Memory
* Remove Black plastic insulation
* Locate & Short CMOS CLR1 for 15 Seconds

NOTE:
All the following models use the same password removal process.

Satellite: 17xx Series, 1000, 1110,1130, 1200, 1900, 2430, 3000 P20,P30, P33, A30, A70, A80, M40X, M50,M60, M70, M100

Tecra A3/S2, A5, A6

* The jumper is always located under or near the memory modules
* Depending on the model the jumper could be labelled J1, J2, J5, J7, J9 or CMOS CLR1 (M100 & A6)

Satellite A100 & Tecra A7

1. Remove Strip cover
2. Remove 2 x K/B screws
3. Move K/B Unit up but don’t disconnect
4. Release & Remove Mini Card Wi-Fi Card
5. Locate & short C88 Pin 1 & 2 together
6. Power on Machine while still shorting Pin 1 & 2
7. As soon as the TOSHIBA logo appears, remove short
8. If machine boots, Password has been removed

Satellite A100 (PSAA2A-02C01N)

1. Remove Memory Cover from base of machine
2. Release & remove right side Memory Module
3. Lift black plastic insulation
4. Locate & short PAD500 Pin 1 & 2 together
5. Power on machine while still shorting Pin 1 & 2
6. As soon as the TOSHIBA logo appears, remove short
7. If machine boots, password has been removed

TECRA A4 & Satellite M40

1. Open modem & Wi-Fi card cover
2. Remove mini PCI Wi-Fi card
3. Lift up black plastic
4. Locate & short C738 Pin 1 & 2 together
5. Power on machine while still shorting Pin 1 & 2
6. As soon as the TOSHIBA logo appears, remove short
7. If machine boots, password has been removed

TECRA S1

1. Open palm rest cover
2. Remove mini PCI Wi-Fi card
3. Lift up black plastic
4. Locate & short C5071 Pin 1 & 2 together
5. Power on machine while still shorting Pin 1 & 2
6. As soon as the TOSHIBA logo appears, remove short
7. If machine boots, password has been removed

TE 2300

1. Remove 2 x B12 screws from bottom of system
2. Remove strip cover
3. Remove keyboard screws 1 x B2.5 & 1 x SF4
4. Remove 1 x 4mm screw & Wi-Fi cover
5. Remove mini PCI Wi-Fi card if fitted
6. Locate & short points as shown in picture below
7. Power on machine while still shorting points
8. Short for 5 seconds
9. Nothing will appear on the screen
10. Turn system off holding down power button
11. Password is now removed

TE2300 Motherboard

Satellite A60

1. Open Wi-Fi slot cover
2. Lift up black plastic
3. Locate & short C561 Pin 1 & 2 together
4. Power on machine while still shorting Pin 1 & 2
5. As soon as the TOSHIBA logo appears, remove short
6.
7. If machine boots, password has been removed

If you need your Toshiba bios password removed and your model is not listed above then chances are it’s a procedure that can only be done at an authorised repair centre.

+5 Points

[néttrom]

Thank man but new laptop no floppy disk and no LPT port the way has aforementioned can not apply to cover new notebook when turn on already stick its password can not reach the bios or , reach the Dos mode immediately.

[aamir_awan]

very nice thanks

[drissbelarej]

very nice thanks

[nhattamlaptop]

Looks like this one also has its share how to do it, but now the newer Toshiba no longer award in such a way out of Britain. [Bạn không có quyền xem.]
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[idea007]

thank you verry much

[crossplus]

Thank you, its very usefull!