Serial Port Internal Header (J101); Pci-X Speed Select Jumper (J11) - TYAN Thunder K8QW Manual

2.08 – COM2 Header (J101)
2.09 – PCI-X channel A frequency configure (J11)
Signal
Description
DCD2_L_SER
(Data Carrier
Detect)
RXD2_SER(Re
ceive-Data)
TXD2_SER(Tra
nsfer-Data)
DTR2_L_SER(
Data-Terminal-
Ready)
GND (Ground)
J11 is used to adjust PCI-X Bridge A
PCI frequency.
Note: Need close the jumper when
you use the two slots of A bus at the
same time.
Open(Default):100MHz/66MHz;
Closed: 66MHz
15
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Pin Pin Signal
# # Description
DSR2_L_S
ER (Data-
1 2
Set-Ready)
RTS2_L_S
ER(Reques
3 4
t-to-Send)
CTS2_L_S
ER(Clear-
5 6
to-Send)
RI2_L_SE
R(Ring-
7 8
Indicator)
Key
9 10
Open
Closed