Revision: 2.85

Specification Update

September 2012

18

2. PCIe: Device Control 2 Register Should Not Be Written While DMA Is Enabled

Change:

The Device Control 2 Register should only be written during initialization. When a port is

enabled to transmit or receive data, this register should not be written even if the value is

not changed.

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3. Updates to PXE/iSCSI EEPROM Words

Change:

For Gigabit Main Setup Options Word 0x30, 0x34; bits 2:0 and bit 5 are now defined as

indicated in the table below.

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Bit(s)

Value

Port Status

CLP(Combo)

Executes

iSCSI Boot Option ROM

CTRL-D Menu

FCoE Boot Option ROM

CTRL-D Menu

15:7

Same as before. No change.

5

Bit 5, formerly used to indicate iSCSI enable / disable, is no longer valid and is not checked by software.

4:3

Same as before. No change.

5-7

Reserved.

Same as Disabled.

4

FCoE

FCOE

• Displays port as FCoE.

• Allows changing to port to

Boot Disabled, iSCSI

Primary or Secondary

• Displays port as FCoE.

• Allows changing to Boot

Disabled

3

iSCSI

Secondary

iSCSI

• Displays port as iSCSI

Secondary.

• Allows changing to Boot

Disabled, iSCSI Primary

• Displays port as iSCSI.

• Allows changing to Boot

Disabled, FCoE enabled

2

iSCSI

Primary

iSCSI

• Displays port as iSCSI

Primary.

• Allows changing to Boot

Disabled, iSCSI Secondary

• Displays port as iSCSI.

• Allows changing to Boot

Disabled, FCoE enabled

1

Boot Disabled

NONE

• Displays port as Disabled.

• Allows changing to iSCSI

Primary/Secondary

• Displays port as Disabled.

• Allows changing to FCoE

enabled

2:0

0

PXE

PXE

• Displays port as PXE.

• Allows changing to Boot

Disabled, iSCSI Primary or

Secondary

• Displays port as PXE.

• Allows changing to Boot

Disabled, FCoE enabled