Connector/Header Locations and Pin-outs
Intel® Server Board S3420GP TPS
Revision
2.4
Intel order number E65697-010
84
Pin
Signal Name
Pin
Signal Name
45 P3V3
46
P3V3
47 P3V3
48
P3V3
49 P3V3
50
P3V3
7.5.5
Serial Port Connectors
The server board provides one external DB9 Serial A port (J8A1) and one internal 9-pin serial B
header (J1B2). The following tables define the pin-outs.
Table 52. External Serial A Port Pin-out (J8A1)
Pin
Signal Name
Description
1
SPA_DCD
DCD (carrier detect)
2
SPA_SIN_L
RXD (receive data)
3
SPA_SOUT_N
TXD (Transmit data)
4
SPA_DTR
DTR (Data terminal ready)
5 GND
Ground
6
SPA_DSR
DSR (data set ready)
7
SPA_RTS
RTS (request to send)
8
SPA_CTS
CTS (clear to send)
9
SPA_RI
RI (Ring Indicate)
10 NC
Table 53. Internal 9-pin Serial B Header Pin-out (J1B2)
Pin
Signal Name
Description
1
SPB_DCD
DCD (carrier detect)
2 SPB_DSR DSR
(data
set
ready)
3 SPB_SIN_L RXD
(receive
data)
4
SPB_RTS
RTS (request to send)
5 SPB_SOUT_N
TXD
(Transmit
data)
6
SPB_CTS
CTS (clear to send)
7
SPB_DTR
DTR (Data terminal ready)
8
SPB_RI
RI (Ring indicate)
9 SPB_EN_N Enable
10 NC
7.5.6
USB Connector
There are four external USB ports on two NIC/USB combinations. Section 5.5.2 details the pin-
out of the connector.
Two 2x5 connector on the server board (J1E1, J1D1) provides an option to support an
additional USB port, each connector supporting two USB ports. The following table defines the
pin-out of the connector.
Table 54. Internal USB Connector Pin-out ( J1E1, J1D1)
Pin
Signal Name
Description
1
USB2_VBUS4
USB power (port 4)
2
USB2_VBUS5
USB power (port 5)
