Data Sheet

Flash Map—Ethernet Controller I210
237
6.8.6.4 Option ROM Capabilities (Word 0x33)
Word 0x33 of the Flash is used to enumerate the boot technologies that have been programmed into
the Flash. This is updated by Flash configuration tools and is not updated or read by IBA.
6.8.6.5 PXE VLAN Configuration Pointer (0x003C)
6.8.6.5.1 PXE VLAN Configuration Section
6.8.6.5.1.1 VLAN Block Signature - 0x0000
Bit(s) Name Function
15:14 SIG
Signature. Must be set to 01b to indicate that this word has been programmed by the agent or other
configuration software.
13:5 RFU Reserved. Must be 0b.
4 ISCSI iSCSI boot is present in Flash if set to 1b.
3 UEFI UEFI UNDI driver is present in Flash if set to 1b.
2 RPL Reserved. Must be 0b.
1 UNDI PXE UNDI driver is present in Flash if set to 1b.
0 BC PXE base code is present in Flash if set to 1b.
Bits Name Default Description
15:0 PXE VLAN Configu-
ration Pointer
0x0 The pointer contains offset of the first Flash word of the PXE VLAN config block.
Word Offset Word Name Description
0x0000 VLAN Block Signature ASCII 'V', 'L'.
0x0001 Version and Size Contains version and size of structure.
0x0002 VLAN Tag VLAN tag value for the I210. Contains PCP, CFI and
VID fields. A value of 0 means no VLAN is configured
for this port.
Bits Field Name Default Description
15:0 VLAN Block Signature 0x4C56 ASCII 'V', 'L'.