Step 1 Set Jumpers - American Megatrends Titan II User Manual

Step 1 Set Jumpers,

J27 IRQ12
J27 is a two-pin berg that selects IRQ12 for use by the onboard PS/2 mouse. When an onboard PS/2 mouse is used in the
computer, J27 should be shorted. Leave J27 OPEN is no PS/2 mouse is used.
J23 Clear Password
The J8 DIAG switch is not used to clear CMOS RAM in Rev C Titan II motherboards. On Rev.B and B1 Titan II
motherboards, J8 was used to clear CMOS RAM. On Rev C motherboards, use the J23 Sleep switch to erase CMOS RAM,
which erases the password. To erase a password:
Chapter 2 Installation
12
Continued
J27 Setting
Shorted
OPEN
Step
1 Turn the computer power off and install a shorting bridge on J23
(Sleep Switch).
2 Turn the computer power on again. Wait until
CMOS Checksum Bad.
appears.
3 Turn power off. Remove the shorting bridge from J23 (leave J23
OPEN again).
4 Turn power on again. Run WINBIOS Setup and choose the
proper system configuration settings.
5 Boot the computer.
IRQ12 Select
PS/2 mouse is present.
PS/2 mouse is absent.
Action