82598EB Datasheet, PDF (432/596 Pages) Intel Corporation – Intel® 82598EB 10 Gigabit Ethernet Controller Datasheet

Intel^® 82598EB 10 GbE Controller - SMBus Transactions
Figure 5-6. SMBus ARP Flow
5.3.4.2.2 SMBus ARP UDID Content
The UDID provides a mechanism to isolate each device for the purpose of address assignment. Each
device has a unique identifier. The 128-bit number is comprised of the following fields:
1 Byte
Device
Capabilities
See Below
MSB
1 Byte
Version/
Revision
See
Below
2 Bytes
2 Bytes
Vendor ID Device ID
0x8086
0x10AA
2 Bytes
Interface
0x0004
2 Bytes
Subsystem
Vendor ID
0x0000
2 Bytes
Subsystem
Device ID
0x0000
4 Bytes
Vendor
Specific ID
See Below
LSB
432