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Mirrored Revision ID - MREVID (05B64h; R/W) — Intel
®
82575EB Gigabit Ethernet Controller
324632-003 Intel
®
82575EB Gigabit Ethernet Controller
Revision: 2.1 Software Developer’s Manual and EEPROM Guide
January 2011 415
14.8.22 Mirrored Revision ID - MREVID (05B64h; R/W)
14.8.23 MSI-X PBA Clear - PBACL (05B68h; R/W1C)
14.8.24 DCA Requester ID Information - DCA_ID
(05B70h; R/W)
The DCA requester ID field, composed of Device ID, Bus #, and Function # is set up in MMIO space for
software to program the DCA Requester ID Authentication register.
Field Bit(s)
Initial
Value
Description
Reserved 7:0 01h
1
1. Loaded from the EEPROM.
Reserved
Default RevID 15:8 02h Mirroring of Default Rev ID before an EEPROM load.
Set to 02h.
Reserved 31:16 00h Reserved
Field Bit(s)
Initial
Value
Description
PENBIT 9:0 0h MSI-X Pending bits Clear
Writing a 1b to any bit clears the corresponding MSIXPBA bit; writing a 0b has no
effect.
Reading this register returns zeros.
Reserved 31:10 0h Reserved
Field Bit(s)
Initial
Value
Description
Function
Number
2:0 000B Function Number
Function number assigned to the function based on BIOS/OS enumeration.
Device Number 7:3 0h Device Number
Device number assigned to the function based on BIOS/OS enumeration.
Bus Number 15:8 0h Bus Number
Bus number assigned to the function based on BIOS/OS enumeration.
Reserved 31:16 0h Reserved