Supermicro P4SCA, Руководство пользователя

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Chapter 2: Installation
2-13
USB Wake-Up (*USB1/2
Only)
Use JPUSB1 to enable or disable
USB Wake-Up, which allows you
t o w a k e u p t h e s y s t e m b y d e -
pressing a key on the keyboard or
by clicking the mouse when either
is connected to the USB1 or USB2
port. Enable the jumper a to allow
the system to be woken up from
S1 and S3 in Windows OS. See
the table on the right for jumper
settings.
Jumper
Position
1-2
2-3
Definition
Disabled
Enabled
USB W ake-Up
Jumper Settings (JPUSB1)
Watch Dog Enable/Disable
JP8 enables controls the Watch
Dog function. Watch Dog is a sys-
t e m m o n i t o r t h a t t a k e s a c t i o n
w h e n a s o f t w a r e a p p l i c a t i o n
freezes the system. Pins 1-2 will
have WD reset the system if a pro-
gram freezes. Pins 2-3 will gener-
ate a non-maskable interrupt for
the program that has frozen. See
the table on the right for jumper
settings. Watch Dog must also be
enabled in BIOS. (*Note, when the
function of Watch Dog is enabled,
the user needs to write his own
application software in order to
disable the Watch Dog Timer.)
Front Side Bus Speed
JP1, JP2 are used to set the sys-
tem (front side) bus speed for the
processors. It is best to keep this
jumper set to Auto. This jumper is
used together with the CPU Clock
setting in BIOS. See the table on
the right for jumper settings.
Jumper
Position
Pins 1-2
Pins 2-3
Open
Definition
W D to Reset
W D to NMI
Disabled
Watch Dog
Jumper Settings (JP8)
JP1 JP2
Auto 1-2 1-2
100 MHz (x4) 2-3 2-3
133 MHz (x4) NC 2-3
Reserved NC NC
200 MHz (x4) 2-3 NC