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Intel® Server Board SE7520AF2 TPS
Connectors, Headers and Jumpers
Revision 1.2
237
Intel order number C77866-003
21 GND
22 FD_WDATA_L
23 GND
24 FD_WGATE_L
25 GND
26 FD_TRK0_L
27 Test
Point 28 VCC
29 GND
30 FD_RDATA_L
31 GND
32 FD_HDSEL_L
33 GND
34 FD_DSKCHG_L
8.15 Serial Port Connector
The SE7520AF2 supports two serial ports:
A DB-9 connector located on the back I/O area of the baseboard enabling Serial Port A
A 9-pin DH-10 header on the server board (J1B1) enables an optional Serial Port B
port
The following tables detail the pin-outs of these two ports:
Table 133. Rear DB-9 Serial A Port Pin-out (J8A1)
Pin
Signal Name
Description
7
RTS
Request To Send
4
DTR
Data Terminal Ready
3 TD
Transmit
Data
5 SGND
Signal
Ground
9 RI
Ring
Indicate
2 RD
Receive
Data
1 DCD
Carrier
Detect
8
CTS
Clear to send
6
DSR
Data Set Ready
Table 134. 9-pin Header Serial B Port Pin-out (J1B1)
Pin
Signal Name
Description
COM2 Pin-out
1 DCD
Carrier
Detect
2
DSR
Data Set Ready
3 RD
Receive
Data
4
RTS
Request To Send
5 TD
Transmit
Data
6
CTS
Clear To Send
7
DTR
Data Terminal Ready
8 RI
Ring
Indicator
9 SGND
Signal
Ground