Справочник Пользователя для Intel SE7520JR2
Connectors and Jumper Blocks
Intel® Server Board SE7520JR2
Revision 1.0
C78844-002
196
Table 99: Legacy 34-pin Floppy Drive Connector Pin-out (J3K2)
Pin
Signal Name
Pin
Signal Name
1 GND
2 FD_DENSEL0
3 GND
4 Test
Point
5 KEY
6 FD_DENSEL1
7 GND
8 FD_INDEX_L
9 GND
10 FD_MTR0_L
11 GND
12 FD_DS1_L
13 GND
14 FD_DS0_L
15 GND
16 FD_MTR1_L
17 Test
Point 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 Test
Point 28 VCC
29 GND
30 FD_RDATA_L
31 GND
32 FD_HDSEL_L
33 GND
34 FD_DSKCHG_L
7.5.7
Serial Port Connectors
The Server Board SE7520JR2 provides one external RJ45 Serial B port and one internal 9-pin
Serial A header. The following tables define the pinouts for each.
Serial A header. The following tables define the pinouts for each.
Table 100: External RJ-45 Serial B Port Pin-out
Pin
Signal Name
Description
1
RTS
Request To Send
2
DTR
Data Terminal Ready
3 TXD
Transmit
Data
4 GND
Ground
5 RI
Ring
Indicate
6 RXD
Receive
Data
7
DSR / DCD
Data Set Ready / Data Carrier Detect1
8
CTS
Clear To Send
Note:
1.
1.
A jumper block on the server board will determine whether DSR or DCD is routed to
pin 7. The board will have the jumper block configured with DSR enabled at
production.
pin 7. The board will have the jumper block configured with DSR enabled at
production.
Table 101: Internal 9-pin Serial A Header Pin-out (J1A3)
Pin
Signal Name
1
DCD (carrier detect)
2
DSR (data set ready)