BOXD865GLCL Intel, BOXD865GLCL Datasheet - Page 59

• Manufacturer Part Number: BOXD865GLCL
• Manufacturer: Intel

Specifications of BOXD865GLCL

• Lead Free Status / Rohs Status: Supplier Unconfirmed

2 Technical Reference
What This Chapter Contains
2.1 Introduction
2.2 Memory Resources
2.2.1 Addressable Memory
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10 Mechanical Considerations.........................................................................................85
2.11 Electrical Considerations ............................................................................................88
2.12 Thermal Considerations..............................................................................................89
2.13 Reliability ....................................................................................................................92
2.14 Environmental ............................................................................................................92
Sections 2.2 - 2.6 contain several standalone tables. Table 19 describes the system memory map,
Table 20 lists the DMA channels, Table 21 shows the I/O map, Table 22 defines the PCI
configuration space map, and Table 24 describes the interrupts. The remaining sections in this
chapter are introduced by text found with their respective section headings.
The board utilizes 4 GB of addressable system memory. Typically the address space that is
allocated for PCI add-in cards, AGP aperture, BIOS (firmware hub), and chipset overhead resides
above the top of DRAM (total system memory). On a system that has 4 GB of system memory
installed, it is not possible to use all of the installed memory due to system address space being
allocated for other system critical functions. These functions include the following:
The amount of installed memory that can be used will vary based on add-in cards and BIOS
settings. For example, if the PCI cards are requesting 200 MB of system memory and the AGP
aperture is set to 256 MB in the BIOS Setup program, there will be approximately 3.54 GB of
memory that can be accessed. In addition, the Video Frame Buffer setting in the BIOS Setup
Introduction.................................................................................................................59
Memory Resources ....................................................................................................59
DMA Channels ...........................................................................................................61
Fixed I/O Map.............................................................................................................62
PCI Configuration Space Map ....................................................................................63
Interrupts ....................................................................................................................65
PCI Interrupt Routing Map ..........................................................................................66
Connectors .................................................................................................................68
Jumper Blocks............................................................................................................83
Memory-mapped I/O that is dynamically allocated for PCI and AGP cards
AGP aperture
APIC and chipset overhead (approximately 18 MB)
BIOS/firmware hub (approximately 2 MB)
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