82598EB Datasheet, PDF (80/596 Pages) Intel Corporation – Intel® 82598EB 10 Gigabit Ethernet Controller Datasheet

Intel^® 82598EB 10 GbE Controller - PCIe
Vendor ID – This is a read-only register that has the same value for all PCI functions. It identifies
unique Intel products.
Device ID – This is a read-only register. It has the same value for the two LAN functions. This field
identifies unique 82598 functions. The field can be auto-loaded from the EEPROM during initialization
with the following default values:
PCI
Function
LAN 0
LAN 1
Default
Value
Meaning
10B6
Dual Port 10G/1G Ethernet controller x8 PCIe.
10B6
Dual Port 10G/1G Ethernet controller x8 PCIe.
Command Reg. These are read-write registers. Shaded bits are not used by this implementation and
are set to 0b. Each function has its own Command register.
Bit(s)
Initial
Value
Description
0
0b
I/O Access Enable.
1
0b
Memory Access Enable.
2
0b
Enable Mastering.
LAN 0 read-write field.
LAN 1 read-write field.
3
0b
Special Cycle Monitoring – Hardwired to 0b.
4
0b
MWI Enable – Hardwired to 0b.
5
0b
Palette Snoop Enable – Hardwired to 0b.
6
0b
Parity Error Response.
7
0b
Wait Cycle Enable – Hardwired to 0b.
8
0b
SERR# Enable.
9
0b
10
0b
Fast Back-to-Back Enable – Hardwired to 0b.
Interrupt Disable.¹
15:11
0b
Reserved.
1. The Interrupt Disable register bit is a read-write bit that controls the ability of a PCIe device to generate a legacy interrupt message.
When set, devices are prevented from generating legacy interrupt messages.
Status Register – Shaded bits are not used by this implementation and are set to 0b. Each function
has its own Status register. Unless explicitly specified, entries are the same for all functions.
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