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©2008 Advanced Micro Devices, Inc.
OCHI USB 1.1 and EHCI USB 2.0 Controllers
AMD SB600 Register Reference Manual Proprietary Page 45
Register Name Offset Address
Device / Vendor ID 00h
Command 04h
Status 06h
Revision ID / Class Code 08h
Miscellaneous 0Ch
BAR_OHCI 10h
Subsystem Vendor ID / Subsystem ID 2Ch
Capability Pointer 34h
Interrupt Line 3Ch
MSI Control D0h
MSI Address D4h
MSI Data D8h
Figure 3 PCI Configuration Spaces for OHCI
There are 5 OHCI compatible USB host controllers present (functions 0, 1, 2, 3 and 4), and each has their
own set of registers.
Device / Vendor ID – R - 32 bits - [PCI_Reg : 00h]
Field Name Bits Default Description
VEND_ID 15:0 1002h Vendor ID