Technical Product Specification

Connector/Header Locations and Pin-outs Intel® Server Board S5520UR and S5520URT TPS
Intel order number E44031-012 Revision 1.9
94
6.3.2 LCP/IPMB Header
Table 46. LPC/IPMB Header Pin-out (J1H1)
Pin
Signal Name
Description
1 SMB_IPMB_5VSB_DAT Integrated BMC IMB 5V standby data line
2
GND
Ground
3
SMB_IPMB_5VSB_CLK
Integrated BMC IMB 5V standby clock
line
4
P5V_STBY
+5 V standby power
6.3.3 SGPIO Header
Table 47. SGPIO Header Pin-out (J1G5)
Pin
Signal Name
Description
1
SGPIO_CLOCK
SGPIO Clock Signal
2
SGPIO_LOAD
SGPIO Load Signal
3
SGPIO_DATAOUT0
SGPIO Data Out
4
SGPIO_DATAOUT1
SGPIO Data In
6.4 SSI Control Panel Connector
The server board provides a 24-pin SSI front panel connector (J4H3) for use with Intel
®
and
third-party chassis. The following table provides the pin-out for this connector.
Table 48. Front Panel SSI Standard 24-pin Connector Pin-out (J4H3)
Pin
Signal Name
Pin
Signal Name
1 P3V3_STBY (Power LED
Anode)
2 P3V3_STBY (Front Panel Power)
3 Key 4 P5V_STBY (ID LED Anode)
5
FP_PWR_LED_N
6
FP_ID_LED_BUF_N
7
P3V3 (HDD Activity LED
Anode)
8
FP_LED_STATUS_GREEN_N
9
LED_HDD_ACTIVITY_N
10
FP_LED_STATUS_A MBER_N
11
FP_PWR_BTN_N
12
NIC1_ACT_LED_N
13
GND (Power Button GND)
14
NIC1_LINK_LED_N
15
BMC_RST_BTN_N
16
SMB_SENSOR_3V3STB_DATA
17 GND (Reset GND) 18 SMB_SENSOR_3V3STB_CLK
19
FP_ID_BTN_N
20
FP_CHASSIS_INTRU
21
FM_SIO_TEMP_SENSOR
22
NIC2_ACT_LED_N
23 FP_NMI_BTN_N 24 NIC2_LINK_LED_N
Combined system BIOS and the Integrated BMC support provide the functionality of the various
supported control panel buttons and LEDs. The following sections describe the supported
functionality of each control panel feature.