SUPER MICRO Computer AS 1020C-3 user manual Power Fail Connector, Compact Flash Power Connector

AS1020C-3 User's Manual

Power Fail Connector

Connect a cable from your power supply to JPWF to provide you with warning of a power supply failure. The warning signal is passed through the PWR_LED pin to indicate a power failure. See the table on the right for pin defi nitions.

Power Fail Connector

Pin Definitions (JPWF)

Pin# Defi nition

1P/S 1 Fail Signal

2 P/S 2 Fail Signal

3 P/S 3 Fail Signal

4 Reset (from MB)

Note: This feature is only available when using redundant power supplies.

Compact Flash Power

Connector

JWF1 is a power connector for a Compact Flash or DOC (Disk-On-Chip) device. Connect the appropriate cable here to provide power to such a device on your system. See the table on the right for pin defi nitions.

JSLED1 Header

Compact Flash Power

Connector

Pin Definitions (JWF1)

Pin# Defi nition

1+5V

2Ground

3Signal

JSLED1 Header Pin Definitions

(JSLED1)

JSLED1 is used to provide LED indica- tion of SAS drive activity for internal SAS ports 0-3. Refer to the table on the right for pin defi nitions. SAS ports 4-7 are external ports and do not have

Pin # Defi nition

1SAS Port0 Active

2SAS Port1 Active

3SAS Port2 Active

4SAS Port3 Active

5SAS Port0-3 Signal

Pin # Defi nition

6NC

7NC

8NC

9NC

10 No pin

board level support for activity LEDs.

I2C for SAS Connector

The JS4 connection is used to provide I2C monitoring for the SAS backplane. See the table on the right for pin defi - nitions.

Note: NC indicates no connection.

I2C for SAS Connector

Pin Definitions (JS4)

Pin# Defi nition

1I2C Data

2I2C Clock

3Ground

5-18