PIN pad Location

The system board provides one hardware Pin pad under the keyboard pad. RD/CSD can enable this function by shorting this pad. The Pin Pad location should look as the figure below.

1.Clear Password

PIN Pad: Bypassing Password Check

Keep shorting the 2 triangle PIN pad as shown above and then powering on the system will force the BIOS to clear Supervisor and User passwords.

2.Clearing HDD password:

To decode HDD password error code for unlocking hard disk in a DOS environment.

A\> unlock6 XXXXX 00

XXXXX- HDD password error code Unlock6.exe v1.1 2 May 2003

Choice what kind of the password to be generated: 0.) Exit

1.) Scan code

2.) upper case ASCII Code

3.) Lower case ASCII code Enter your choice:2 (Choose 2)

XXXXXXX XXXXXXX XXXXXXX

Those passwords are master password.

3.Restoring the BIOS through the Crisis Disk

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Chapter 5

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Acer 7520 manual PIN pad Location, Xxxxxxx Xxxxxxx