Tyan Computer TYAN S1572 ATX - Manual (Page 14)

14 S1572-001-01 http://www.tyan.com
Refer to chapter 5 for Flash EPROM upgrade procedures.
3.9 Hardware CMOS & Password Reset
If you have been locked out of your system because you forgot your pass-
word or set the CMOS incorrectly, follow the instructions below.
a. Power off the system
b. Jumper JP1 to pins 2 and 3.
d. Wait for 2 seconds then return the jumper to pins 1 and 2.
e. Power on the system again.
By doing the above procedures, your password will be erased and the CMOS
will be reset to the BIOS default.