- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄370261 > FW82815 Controller Miscellaneous - Datasheet Reference PDF資料下載
參數(shù)資料
| 型號(hào)： | FW82815 |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項(xiàng)-數(shù)據(jù)表參考 |
| 文件頁(yè)數(shù)： | 138/172頁(yè) |
| 文件大?。?/td> | 795K |
| 代理商： | FW82815 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)當(dāng)前第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)第146頁(yè)第147頁(yè)第148頁(yè)第149頁(yè)第150頁(yè)第151頁(yè)第152頁(yè)第153頁(yè)第154頁(yè)第155頁(yè)第156頁(yè)第157頁(yè)第158頁(yè)第159頁(yè)第160頁(yè)第161頁(yè)第162頁(yè)第163頁(yè)第164頁(yè)第165頁(yè)第166頁(yè)第167頁(yè)第168頁(yè)第169頁(yè)第170頁(yè)第171頁(yè)第172頁(yè)
82815 GMCH
R
138
Datasheet
4.5.1.2.
DRAM Register Programming
This section provides an overview of how the required information for programming the DRAM registers
is obtained from the Serial Presence Detect ports on the DIMMs. The Serial Presence Detect ports are
used to determine Refresh Rate, MA and MD Buffer Strength, Row Type (on a row by row basis),
SDRAM Timings, Row Sizes and Row Page Sizes. Table 14 lists a subset of the data available through
the on-board Serial Presence Detect ROM on each DIMM module.
Table 14. Data Bytes on DIMM Used for Programming DRAM Registers
Byte
Function
2
Memory Type (EDO, SDRAM) the GMCH only supports SDRAM.
3
# of Row Addresses, not counting Bank Addresses
4
# of Column Addresses
5
# of banks of DRAM (Single or Double sided) DIMM
12
Refresh Rate
17
# Banks on each SDRAM Device
36–41
Access Time from Clock for CAS# Latency 1 through 7
42
Data Width of SDRAM Components
Table 14 is only a subset of the defined SPD bytes on the DIMM module. These bytes collectively
provide enough data for BIOS to program the GMCH DRAM registers.
4.5.2.
DRAM Address Translation and Decoding
The GMCH translates the address received on the host bus, hub interface, or from the internal graphics
device to an effective memory address. The GMCH supports 16 Mbit and 64 Mbit SDRAM devices. The
GMCH supports a 2 KB page sizes only. The multiplexed row / column address to the DRAM memory
array is provided by the SBS[1:0] and SMAA[11:0] signals and copies. These addresses are derived from
the host address bus as defined by by the following table for SDRAM devices.
Row size is internally computed using the values programmed in the DRP register.
Up to 4 pages can be open at any time within any row (Only 2 active pages are supported in rows
populated with either 8 MBs or 16 MBs ).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FWA-25A10F | Fuse |
| FWA-30A10F | Fuse |
| FWA-35A21F | Fuse |
| FWA-40A21F | Fuse |
| FWA-45A21F | Fuse |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FW82815 S L5NQ | 制造商:Intel 功能描述:Graphics and Memory Controller Hub 544-Pin BGA |
| FW82815EM S L4MP | 制造商:Intel 功能描述:GRAPHICS AND MEMORY CONTROLLER HUB (GMCH2-M) |
| FW82815SL5NQ | 制造商:Intel 功能描述: |
| FW828201CA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
| FW82840 S L3TA | 制造商:Intel 功能描述:Memory Controller Hub 544-Pin BGA |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。