Intel SDS2 manual Front Panel Header, Front Panel 34-Pin Header Pin-out, Key, I2C SDA, I2C SCL

Intel® Server Board SDS2 Connections

		Table 59. HSBP-B Connector Pin-out
Pin	Signal Name	Description
1	IPMB_SDA	5 VSB Data Line
2	GND	GND
3	IPMB_SCL	5 VSB Clock Line
4	I2C_ADR_CNTRL	Address Control

8.4Front Panel Header

A 34-pin header is provided for cabling to the system front panel. The header contains reset, NMI, power control buttons, and LED indicators. The table below details the pin-outs of the header.

Table 60. Front Panel 34-Pin Header Pin-out

Pin	Signal Name	Pin	Signal Name
1	Power LED Anode	2	5VSB
3	KEY	4	Fan Fail LED Anode
5	Power LED Cathode	6	Fan Fail LED Cathode
7	HDD Activity LED Anode	8	Power Fault LED Anode
9	HDD Activity LED Cathode	10	Power Fault LED Cathode
11	Power Switch	12	NIC#1 Activity LED Anode
13	GND (Power Switch)	14	NIC#1 Activity LED Cathode
15	Reset Switch	16	I2C SDA
17	GND (Reset Switch)	18	I2C SCL
19	ACPI Sleep Switch	20	Chassis Intrusion
21	GND (ACPI Sleep Switch)	22	NIC#2 Activity LED Anode
23	NMI to CPU Switch	24	NIC#2 Activity LED Cathode
25	KEY	26	KEY
27	ID LED Anode	28	System Ready Anode
29	ID LED Cathode	30	System Ready Cathode
31	ID Switch	32	HDD Fault Anode
33	GND (ID Switch)	34	HDD Fault Cathode

Revision 1.2	77
Order Number:	A85874-002