NQ5000P S L9TN Intel, NQ5000P S L9TN Datasheet - Page 117
NQ5000P S L9TN
Manufacturer Part Number
NQ5000P S L9TN
Description
Manufacturer
Intel
Datasheet
1.NQ5000P_S_L9TN.pdf
(530 pages)
Specifications of NQ5000P S L9TN
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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Register Description
3.8.8.19
Intel® 5000P/5000V/5000Z Chipset Memory Controller Hub (MCH) Datasheet
The bottom 4 bits of both the Prefetchable Memory Base and Prefetchable Memory
Limit registers are read-only, contain the same value, and encode whether or not the
bridge supports 64-bit addresses. If these four bits have the value 0h, then the bridge
supports only 32 bit addresses. If these four bits have the value 01h, then the bridge
supports 64-bit addresses and the Prefetchable Base Upper 32 bits and Prefetchable
Limit Upper 32 bits registers hold the rest of the 64-bit prefetchable base and limit
addresses respectively.
PMLIM[7:2] - Prefetchable Memory Limit
This register controls the processor to PCI Express prefetchable memory access routing
based on the following formula as described above:
The upper 12 bits of the register are read/write and correspond to the upper 12
address bits A[31:20] of the 32 bit address. This register must be initialized by the
configuration software. For the purpose of address decode address bits A[19:0] are
assumed to be F FFFFh.
Device:
Function:
Offset:
Version:
Device:
Function:
Offset:
Version:
Device:
Function:
Offset:
Version:
Device:
Function:
Offset:
Version:
Device:
Function:
Offset:
Version:
15:4
15:4
3:0
Bit
Bit
PREFETCH_MEMORY_BASE <= A[31:20] <= PREFTCH_MEMORY_LIMIT
Attr
Attr
RW
RW
RO
2-3
0
24h
Intel 5000P Chipset, Intel 5000V Chipset, Intel 5000Z Chipset
4-5
0
24h
Intel 5000Z Chipset
4-7
0
24h
Intel 5000P Chipset
2-3
0
26h
Intel 5000P Chipset, Intel 5000V Chipset, Intel 5000Z Chipset
4-7
0
26h
Intel 5000P Chipset
Default
Default
0h
1h
0h
PMBASE: Prefetchable Memory Base Address
Corresponds to A[31:20] of the prefetchable memory address on the PCI
Express port.
PMBASE_CAP: Prefetchable Memory Base Address Capability
0h – 32 bit Prefetchable Memory addressing
1h – 64bit Prefetchable Memory addressing,
others - Reserved.
PMLIMIT: Prefetchable Memory Limit Address
Corresponds to A[31:20] of the memory address on the PCI Express bridge
Description
Description
117
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