Revision 1.02 – April 12, 2007
S5920 – PCI Product: PCI Configuration Registers
Data Book
This register is reserved for the manufacturer’s device
identification number (DID). DID numbers are main-
tained and issued by the registered owner of the VID
number programmed into a PCI device. AMCC will
issue a DID number to manufacturers using the AMCC
VID. This maintains PCI device uniqueness among all
manufacturers. to be in compliance. This register
defaults to AMCC's DID during power-on initialization.
The default value can be changed to another valid DID
when an external nonvolatile device is used for boot
loading.
DEVICE IDENTIFICATION REGISTER (DID)
Device Identification
Register Name:
02h-03h
Address Offset:
Power-up value:
Boot-load:
Attribute:
5920h
External nvRAM offset 042h-43h
Read Only
16 bits
Size:
Figure 8. Device Identification Register
15
0
5920h
Device Identification Register (RO)
Bit
Description
Device Identification Number: AMCC’s temporary end user value 5920h
15.0
AMCC Confidential and Proprietary
DS1596
43
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
