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)
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