NH82801DBSL8DE 869490 Intel, NH82801DBSL8DE 869490 Datasheet - Page 422
NH82801DBSL8DE 869490
Manufacturer Part Number
NH82801DBSL8DE 869490
Description
Manufacturer
Intel
Datasheet
1.NH82801DBSL8DE_869490.pdf
(587 pages)
Specifications of NH82801DBSL8DE 869490
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EHCI Controller Registers (D29:F7)
12.1.10
12.1.11
12.1.12
422
MEM_BASE—Memory Base Address Register
(USB EHCI—D29:F7)
Address Offset:
Default Value:
SVID—USB EHCI Subsystem Vendor ID Register
(USB EHCI—D29:F7)
Address Offset:
Default Value:
Reset:
SID—USB EHCI Subsystem ID Register
(USB EHCI—D29:F7)
Address Offset:
Default Value:
Reset:
31:10
15:0
15:0
Bit
9:4
2:1
Bit
Bit
3
0
Base Address — R/W. Bits [31:10] correspond to memory address signals [31:10], respectively.
This provides 1 KB of locatable memory space aligned to 1 KB boundaries.
Reserved
Prefetchable — RO. Hardwired to 0; indicates that this range should not be prefetched.
Type — RO. Hardwired to 00b; indicates that this range can be mapped anywhere within 32-bit
address space.
Resource Type Indicator (RTE) — RO. Hardwired to 0; indicates that the base address field in this
register maps to memory space.
Subsystem Vendor ID (SVID) — R/W-Special. This register, in combination with the USB EHCI
Subsystem ID register, enables the operating system to distinguish each subsystem from the others.
NOTE: Writes to this register are enabled when the WRT_RDONLY bit (offset 80h, bit 0) is set to 1.
Subsystem ID (SID) — R/W-Special. BIOS sets the value in this register to identify the Subsystem
ID. This register, in combination with the Subsystem Vendor ID register, enables the operating
system to distinguish each subsystem from other(s).
NOTE: Writes to this register are enabled when the WRT_RDONLY bit (offset 80h, bit 0) is set to 1.
10
00000000h
2C
XXXXh
None
2E
XXXXh
None
–
–
–
13h
2Dh
2Fh
Description
Description
Description
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
R/W, RO
32 bits
R/W-Special
16 bits
R/W-Special
16 bits
Intel
®
82801DB ICH4 Datasheet
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