TYAN S4992, Manual

Page: 21 / 148

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Pin_1
Pin 1 2 3
Signal
PCIEX16
DETECT_L
IO55
PEMOD
SEL_L
NC
JP24: PCI-E Configuration Selection
Pins 1-2 (Default):
If a x16 speed card is installed in slot 6, then the card installed will run at x16 speed
and slot 5 will be disabled.
If a x8 (or lower) card is installed on Slot 6, then the installed card will run at x8 (or
lower) speed and slot 5 will be active and run at a maximum of x8 speeds.
Pins 2-3:
If this jumper is set to pins 2 -3, then both slot 5 and 6 will be locked at x8 speed for
both slots regardless of the speed of card installed.
Pin_1
Pin 1 2 3
Signal
MCP_X16
DETECT_L
MCP55
PEMOD
SEL_L
NC
JP22: PCI-X Clock Frequency 133/100 MHz Selection
Pins 1-2 (Default):
133MHz
Pins 2-3:
100MHz
Pin_1
Pin 1 2 3
Signal
1k to
GND
S_SEL100
1k to
3.3V