參數(shù)資料
型號: RG82870P2
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 155/157頁
文件大?。?/td> 1407K
代理商: RG82870P2
Intel
82845MP/82845MZ Chipset-Mobile (MCH-M)
250687-002
Datasheet
97
R
3.8.18.
MLIMIT1 – Memory Limit Address Register – Device #1
Address Offset:
22-23h
Default Value:
0000h
Access:
Read/Write, Read Only
Size:
16 bits
This register controls the host to AGP non-prefetchable memory accesses routing based on the following
formula:
MEMORY_BASE1=< address =<MEMORY_LIMIT1
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. The bottom 4 bits of this register are read-only and return zeros when read. The
configuration software must initialize this register. For the purpose of address decode address bits
A[19:0] are assumed to be FFFFFh. Thus, the top of the defined memory address range will be at the top
of a 1-MB aligned memory block.
Bit
Description
15:4
Memory Address Limit 1(MEM_LIMIT1). Corresponds to A[31:20] of the memory address.
Default=000h
3:0
Reserved
Note: The memory range covered by MBASE1 and MLIMIT1 registers are used to map non-prefetchable AGP
address ranges (typically where control/status memory-mapped I/O data structures of the graphics
controller will reside), and PMBASE 1and PMLIMIT1 are used to map prefetchable address ranges
(typically graphics local memory). This segregation allows application of USWC space attribute to be
performed in a true plug-and-play manner to the prefetchable address range for improved host-AGP
memory access performance.
相關(guān)PDF資料
PDF描述
RH5RE36AA-T1-FA 3.6 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PSSO3
RH5RE56AA-T1-FA 5.6 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PSSO3
RE5RE36AA-TZ-FC 3.6 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PBCY3
RE5RE36AC-TZ-FC 3.6 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PBCY3
RE5RE56AA-TZ-FC 5.6 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PBCY3
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RG82870P2 S L675 制造商:Intel 功能描述:Interface, Dual-Channel Ddr200 Memory Interface For Up To 3.2 Gb/S Memory Bandwidth
RG82870P2 S L6SU 制造商:Intel 功能描述:INTERFACE, DUAL-CHANNEL DDR200 MEMORY INTERFACE FOR UP TO 3.2 GB/S MEMORY BANDWIDTH
RG82870P2 SL6SU 制造商:Intel 功能描述:
RG-8B-96-110V 制造商:TRUMETER COMPANY INC 功能描述:Power Factor Controller
RG-8BS-96-110V 制造商:TRUMETER COMPANY INC 功能描述:Power Factor Controller