User guide

Issued June 20, 2007

M5000 Series: User Guide

AMCC 440GX PowerPC Embedded Processor

FLASH

The FLASH is only used for storing the boot image(s). It can be entirely locked/unlocked using a

configuration switch. See “Processor Subsystem SW10” on page 16.

I2C Devices

The 440GX PowerPC processor has access to the following devices on its primary I2C bus:

• Processor SPROM used to store the MFS.

• Processor SPROM used to store the PCI boot parameters.

• Processor SPROM used to store the FLASH boot parameters.

• Devices located on the I/O spacer.

TABLE 3-2. Ethernet LEDs on the MDC-RJ45 I/O Spacer

EMAC # LED 1 LED2 Status

EMAC 1 Green Yellow (steady) 100 Mbit/s Link

Green Yellow (flashing) 100 Mbit/s Activity (RX/TX)

Green Green (steady) Duplex Link

Green Green (flashing) Collision

Not lit Yellow (steady) 10 Mbit/s Link

EMAC 2

and

EMAC 3

Yellow Yellow (flashing) 100 Mbit/s TX data

Yellow Green (flashing) 100 Mbit/s RX data

Green Yellow (flashing) 1Gbit/s TX data

Green Green (flashing) 1Gbit/s RX data

Not lit Green (flashing) 10Mbit/s RX data

Not lit Yellow (flashing) 10 Mbit/s TX data

TABLE 3-3. Ethernet LEDs on the MDC-SFF I/O Spacer