Revision 1.02 – April 12, 2007
S5920 – PCI Product: PCI Configuration Registers
Data Book
This register consists of two fields: Bits 6:0 define the
format of double words 4d through 15d of the device’s
configuration header. Bit 7 defines whether the device
is a single function or a multi-function PCI bus agent.
The S5920 is defined as a single function PCI device.
HEADER TYPE REGISTER (HDR)
Header Type Address Offset 0Eh
Register Name:
00h, Hardwired Boot-load: External
nvRAM offset 04Eh
Power-up value:
Read Only
8 bits
Attribute:
Size:
Figure 15. Header Type Register
6
7
0
0
00h
Configuration header format
0 = single function device
1= multi function device
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DS1596
56
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