Chapter 5: Advanced Serverboard Setup
5-19
Thermal Fan
JP38 allows you to control the chas-
sis fan as follows. With the jumper
open, the fan operates continuously
as a normal chassis fan. With the
jumper closed, the BIOS assumes
control and activates the fan only
w h e n a p r e d e f i n e d t e m p e r a t u r e
threshold has been exceeded. See
the table on the right for jumper set-
tings.
Jumper
Position
Open
Closed
Definition
Chassis Fan
BIOS Controlled
Thermal Fan
Jumper Settings (JP38)
PCI-X Bus Speed Settings
Jumpers JP13 through JP15 are used
to set the speed for the PCI-X bus for
the SXB slot. Refer to the table on
t h e r i g h t t o s e t t h e s p e e d o f t h e
single PCI-X slot with jumpers JP13,
JP14 and JP15. The default setting is
100 MHz.
PCI-X Bus SpeedJumper Settings
JP14 JP15 JP13 Protocol M ax. Freq.
Off Off Off
PCI-X 133 M Hz
Off On Off
PCI-X 100 M Hz
Off On Pins 1-2 PCI-X 66 M Hz
Off On Pins 2-3 PCI 66 M Hz
On On Pins 2-3 PCI 33 M Hz
Watch Dog Enable/Disable
The Watch Dog (located on JP37) al-
lows you to enable or disable the
Watch Dog feature. The default po-
sition is open to disable the Watch
Dog timer. When enabled, Watch
Dog can reboot your PC if an appli-
cation is "hung up" or the system
goes down. See the table on the
right for jumper settings.
Jumper
Position
Open
Closed
Definition
Disabled
Enabled
Watch Dog Timer Enable/
Disable Jumper Settings
(JP37)
Summary of Contents for SuperServer 6023P-i
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