Table 56. Server Monitor Module Connector Pin Out (continued)
Pin | Signal | Type* | |
9 | NMI | out | |
10 | HOST_AUX | out | Baseboard voltage monitored by SMM card: connected to 3.3 V |
11 | RESET_L | in | Baseboard reset signal from Server Monitor Module |
12 | GROUND | ground | Ground |
13 | GROUND | ground | Ground |
14 | Key |
| No connect on baseboard |
15 | SECURE_MODE | out | Secure mode indication: not supported on SMM |
16 | GROUND | ground | Ground |
17 | CHASSIS_INTRUSION | out | Chassis intrusion indication: not supported on SMM |
18 | Reserved |
| Reserved pin: NC on baseboard |
19 | Reserved |
| Reserved pin: NC on baseboard |
20 | GROUND | ground | Ground |
21 | Reserved |
| Reserved pin: NC on baseboard |
22 | Reserved |
| Reserved pin: NC on baseboard |
23 | Reserved |
| Reserved pin: NC on baseboard |
24 | Reserved |
| Reserved pin: NC on baseboard |
25 | key |
| No connect on baseboard |
26 | Reserved |
| Reserved pin: NC on baseboard |
*Type (in/out) is from the perspective of the baseboard.
SM Bus Connector (J9E4)
This connector allows connection to the Memory Module I2C bus that the DIMMs EEPROMs reside on. A shorted I2C connection at the SM Bus I2C connector will prevent the system BIOS from sizing and configuring main memory.
Table 57. SM Bus Connector (J9E4)
Pin | Signal | Description |
1 | Local I2C SDA | OSB4 SM Bus Data Line |
2 | GROUND |
|
3 | Local I2C SCL | OSB4 SM Bus Clock Line |
104 | SKA4 Baseboard Product Guide |