7 serial port connector – Intel SDS2 User Manual
Page 98

Connections
Intel® Server Board SDS2
Revision 1.2
Order Number: A85874-002
84
Table 69. 34-pin Floppy Connector Pin-out
Pin
Signal Name
Pin
Signal Name
1
GND
2
FD_DENSEL
3
GND
4
Test Point
5
KEY
6
FD_DRATE0
7
GND
8
FD_INDEX_L
9
GND
10
FD_MTRA_L
11
GND
12
FD_DRVSELB_L
13
GND
14
FD_DRVSELA_L
15
GND
16
FD_MTRB_L
17
GND
18
FD_DIR_L
19
GND
20
FD_STEP_L
21
GND
22
FD_WDATA_L
23
GND
24
FD_WGATE_L
25
GND
26
FD_TRK0_L
27
GND
28
FD_WPT_L
29
GND
30
FD_RDATA_L
31
GND
32
FD_HDSEL_L
33
GND
34
FD_DSKCHG_L
8.6.7
Serial Port Connector
Two serial ports are provided on the Server Board, one DB9 connector is located on the rear I/O
to supply COM1 and a 10-pin header at location CN33 provides COM2. The following tables
detail their connector pin-outs.
Table 70. DB9 Serial Port Pin-out
Pin
Signal Name
Description
1
DCD
Data Carrier Detect
2
RXD
Receive Data
3
TXD
Transmit Data
4
DTR
Data Terminal Ready
5
GND
Ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
RI
Ring Indicate
Table 71. 10-pin Header Serial Port Pin-out