Data Sheet

Ethernet Controller I210 —Flash Map
238
6.8.6.5.1.2 Version and Size - 0x0001
6.8.6.5.1.3 VLAN Tag - 0x0002
6.8.7 iSCSI Boot Words
6.8.7.1 iSCSI Option ROM Version (Word 0x36)
Word 0x36 is used to store the version of the iSCSI Boot option ROM if present. Values below 0x2000
are reserved and should not be used. This word can be modified by Flash update utilities.
6.8.7.2 iSCSI Boot Configuration Pointer (Word 0x3D)
6.8.7.2.1 iSCSI Module Structure
The following table lists the layout of the iSCSI boot configuration block stored in Flash. Flash word
0x3D previously described stores the offset within the Flash of the configuration block. Software must
first read word 0x3D to determine the offset of the configuration table before attempting to read or
write the configuration block.
The following defined strings are stored in UTF-8 encoding and NULL terminated. All data words are
stored in little-endian (Intel) byte order.
Bits Field Name Default Description
15:8 Size 0x06
Total size in bytes of section.
7:0 Version 0x01 Version of this structure. Should be set to 0x1.
Bits Field Name Default Description
15:13 Priority (0-7) 0x0 Priority 0-7.
12 Reserved 0x0 Always 0.
11:0 VLAN ID (1- 4095) 0x0 VLAN ID (1-4095).
Bit Name Description
15:0 iSCSI Address
iSCSI Configuration Block Flash Offset
Offset of iSCSI configuration block from the start of the Flash, expressed in words. If set
to 0x0000 or 0xFFFF there is no Flash configuration data available for the iSCSI adapter.
In this case, configuration data must be provided by the BIOS through the SM CLP
interface.