參數(shù)資料
型號(hào): 82815EM
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
文件頁數(shù): 15/163頁
文件大?。?/td> 1049K
代理商: 82815EM
Intel
82815EM GMCH
R
Datasheet
15
Communicates to ICH2-M via Hub interface
Local memory Display Cache at 100/133 MHz
2X/4X AGP Controller Port
ACPI 1.0 power management
Figure 2. Intel
815EM Chipset GMCH2-M Block Diagram
Processor
Interface
Hub Interface
System
Memory
Interface
AGP
Interface
Data
Stream
Control &
Dispatch
Primary Display
Overlay
Popup + Cursor
3D Pipeline
2D (Blit Engine)
RAMDAC
Monitor
Digital
Video Out
Port
Internal
Graphics
Processor Side Bus (100 Mhz)
Local
Memory
Interface
DVO port
SDRAM
100 MHz
64 bit
C3/C2/S1/S3
Support
Display
Cache or
AGP 2X/4X
card
Intel
815EM Chipset
815EM CS Blk Diag
1.3.
Host Interface
The host interface of the Intel
815EM chipset GMCH2-M is optimized to support the mobile Intel
Pentium
III
processor, and the mobile Intel
Celeron processor in uBGA and uPGA packages. The
GMCH2-M implements the host address, control, and data bus interfaces within a single device. The
GMCH2-M supports a 4-deep in-order queue (i.e., supports pipelining of up to four outstanding
transaction requests on the host bus). Host bus addresses are decoded by the GMCH2-M for access to
system memory, PCI memory, I/O (via hub interface), PCI configuration space and Graphics memory.
The GMCH2-M takes advantage of the pipelined addressing capability of the processor to improve the
overall system performance.
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