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15
2.08 – Serial Port Internal Header (J23)
Signal
Description
Pin
#
Pin
#
Signal
Description
DCD2_L_SER
(Data Carrier
Detect)
1 2
DSR2_L_S
ER (Data-
Set-Ready)
RXD2_SER(Re
ceive-Data)
3 4
RTS2_L_S
ER(Reques
t-to-Send)
TXD2_SER(Tra
nsfer-Data)
5 6
CTS2_L_S
ER(Clear-
to-Send)
DTR2_L_SER(
Data-Terminal-
Ready)
7 8
RI2_L_SE
R(Ring-
Indicator)
GND (Ground)
9 10
NC
2.09 – PCI-X channel B (PCI-X 1 and PCI-X 2) frequency configure (J24,J39)
Open
Closed
These two jumpers(J24&J39) are used
to adjust PCI-X Bridge B PCI frequency.
Note: If 2 PCI-X cards are mounted,
we advise to choose configuration to
100MHz, and if PCI cards are
mounted, we advise to choose
configuration to PCI Mode.
J39
J24
133MHz
(default)
Open Open
100MHz Open Closed
PCI Mode
Closed
＊
＊
denotes open or closed
