Silicom Ltd. Connectivity Solutions

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Fan Control:

2x independent PWM output / tachometer inputs fan channels

PSU Monitoring:

4x PSU powergood inputs

GPIO:

8x user-defined digital I/O pins

RTC:

Yes, for timestamp of FRU EEPROM event log entries

Virtual Media:

USB device connection to host CPU for USB boot over LAN

CPU Status Monitoring:

Sleep S3, S4, S5 indicators

PROCHOT#, THERMTRIP# thermal indicators

CPU error indicators

Platform reset

CPU Power State Control:

Reset button control

Power button control

Heartbeat Monitoring:

Software GPIO on host CPU drives watchdog input on µBMC

I2C:

Bus 0 (master). Onboard FRU EEPROM, connectivity for motherboard discrete thermal sensors

and other devices

Bus 1 (master). Access to PECI SMBus slave inside host CPU. Used for monitoring CPU die

temperature.

SPI:

Used to access host CPU boot flash for remote BIOS updates

EEPROM:

32kB I2C EEPROM on board, for management event logging

Power:

3.3VDC and 5VDC

Temperature:

Operating: 0-70C

Storage: -20-85C