3 com2 serial port – Intel SE8500HW4 User Manual
Page 61
Intel® Server Board Set SE8500HW4
Connectors
Revision 1.0
Intel order number D22893-001
49
Pin
Signal Name
Signal Description
49
CP_SPKR_OUT_N
Speaker signal to front panel
55
NIC1_LED
NIC 1 activity LED signal
57
ID_LED
ID LED Signal
60
CP_BTN_PWR_ON
Control panel Power Button signal
63
SYS_STATUS_AMB_LED
System Status amber LED signal
64
CD_PRES_N
CD drive presence signal
67
CP_ID_BUTTON_RAW
Control panel ID button signal
69
CP_BTN_NMI
Control panel NMI button
71
NIC2_LED
NIC2 activity LED signal
74
I2C_IPMB_SCL
IPMB I2C bus clock
75
BP_PRES_N
SCSI Backplane Board presence signal
76
I2C_IPMB_SDA
IPMB I2C bus data
78
SYS_PWRGD4
Mainboard power good signal to SCSI Backplane Board
80
USB_FRONT_N
USB port 2 differential negative signal to front bezel
81
USB_FRONT_P
USB port 2 differential positive signal to front bezel
84
VID_RED_FRONT
Video DAC 2 RED signal
86
VID_BLUE_FRONT
Video DAC 2 BLUE signal
88
VID_GREEN_FRONT
Video DAC 2 GREEN signal
90
VID_HS_OUT_FRONT
Video DAC 2 horizontal synchronization signal
92
VID_VS_OUT_FRONT
Video DAC 2 vertical synchronization signal
94
VID_DDC_OUT_SCLK_FRONT
Video monitor detection I2C bus clock
96
VID_DDC_OUT_SDA_FRONT
Video monitor detection I2C bus data
97
I2C_CP_SDA
Control panel I2C bus data (I2C segment 2)
98 SYS_STATUS_GRN_LED
System status green LED signal
99
I2C_CP_SCL
Control panel I2C bus data (I2C segment 2)
7.3 COM2 Serial Port
The Intel
®
Server Board Set SE8500HW4 has one internal serial header that serves as the
interface to the COM2 serial port.
Table 19. COM2 Serial Header Pinout
Pin
Signal
Description
1
DCD_N
Data Carrier Detect
2
DSR_N
Data Set Ready
3 RXD
Receive
Data
4
RTS_N
Request To Send
5 TXD
Transmit
Data
6
CTS_N
Clear To Send
7
DTR_N
Data Terminal Ready
8 RI_N
Ring
Indicator
9 GND
GND