WG82577LM S LGWR Intel, WG82577LM S LGWR Datasheet - Page 103
WG82577LM S LGWR
Manufacturer Part Number
WG82577LM S LGWR
Description
Manufacturer
Intel
Datasheet
1.WG82577LM_S_LGWR.pdf
(195 pages)
Specifications of WG82577LM S LGWR
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Non-Volatile Memory (NVM)—82577 GbE PHY
9.3.1
9.3.1.1
Table notes:
Hardware Accessed Words
This section describes the NVM words that are loaded by the MAC hardware.
Ethernet Address (Words 0x00-0x02)
The Ethernet Individual Address (IA) is a 6-byte field that must be unique for each
Network Interface Card (NIC) or LAN on Motherboard (LOM), and thus unique for each
copy of the NVM image. The first three bytes are vendor specific - for example, the IA
is equal to [00 AA 00] or [00 A0 C9] for Intel products. The value from this field is
loaded into the Receive Address Register 0 (RAL0/RAH0).
For the purpose of this section, the IA byte numbering convention is indicated as
follows; byte 1, bit 0 is first on the wire and byte 6, bit 7 is last. Note that byte 1, bit 0
is the unicast/multicast address indication while zero means unicast address. Byte 1,
bit 1 identifies the global/local indication while zero means a global address.
0x18
0x19:0x2F
0x30:0x3E
0x3F
0x40:0x4A
Vendor
Intel Original
Intel New
• SW = Software: This is access from the network configuration tools and drivers.
• PXE = PXE Boot Agent: This is access from the PXE option ROM code in BIOS.
• HW-Shared = Hardware - Shared: This is read when the shared configuration is
• HW-PCI = Hardware - PCI: This is read when the PCI Configuration is reset.
reset.
Offset
Word
LAN
0x30
0x32:0x5E
0x7E
0x60:0x7C
0x80:0x94
Offset
NVM
Byte
1
00
00
HW-Shared
HW-Shared
PXE
SW
HW
Used
By
2
AA
A0
LED 0 - 2
Reserved
PXE Software Region
Software Checksum (Bytes 0x00 through
0x7D)
G3 -> S5 LCD Configuration
15
3
00
C9
IA Byte/Value
4
variable
variable
5
variable
variable
0
0x0000
6
variable
variable
Image
Value
96
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