Datasheet
Table Of Contents
- Intel® Desktop Boards D915GEV/D915GRF Technical Product Specification
- Revision History / Disclaimer
- Preface
- Contents
- 1 Product Description
- 1.1 PCI Bus Terminology Change
- 1.2 Overview
- 1.3 Online Support
- 1.4 Processor
- 1.5 System Memory
- 1.6 Intel® 915G Chipset
- 1.7 PCI Express Connectors
- 1.8 I/O Controller
- 1.9 Audio Subsystem
- 1.10 LAN Subsystem
- 1.11 Hardware Management Subsystem
- 1.12 Power Management
- 1.12.1 ACPI
- 1.12.2 Hardware Support
- 1.12.2.1 Power Connector
- 1.12.2.2 Fan Connectors
- 1.12.2.3 LAN Wake Capabilities
- 1.12.2.4 Instantly Available PC Technology
- 1.12.2.5 Resume on Ring
- 1.12.2.6 Wake from USB
- 1.12.2.7 Wake from PS/2 Devices
- 1.12.2.8 PME# Signal Wake-up Support
- 1.12.2.9 WAKE# Signal Wake-up Support
- 1.12.2.10 +5 V Standby Power Indicator LED
- 1.13 Trusted Platform Module
- 1.13.1 System Requirements
- 1.13.2 Warning of Potential Data Loss
- 1.13.3 Security Precautions
- 1.13.4 Trusted Platform Module Ownership
- 1.13.5 Enabling the Trusted Platform Module
- 1.13.6 Assuming Trusted Platform Module Ownership
- 1.13.7 Recovery Procedures
- 1.13.8 Clearing Trusted Platform Module Ownership
- 1.13.9 Software Support
- 2 Technical Reference
- 2.1 Introduction
- 2.2 Memory Resources
- 2.3 DMA Channels
- 2.4 Fixed I/O Map
- 2.5 PCI Configuration Space Map
- 2.6 Interrupts
- 2.7 PCI Conventional Interrupt Routing Map
- 2.8 Connectors
- 2.8.1 Back Panel Connectors
- 2.8.2 Component-side Connectors
- 2.9 Jumper Block
- 2.10 Mechanical Considerations
- 2.11 Electrical Considerations
- 2.12 Thermal Considerations
- 2.13 Reliability
- 2.14 Environmental
- 2.15 Regulatory Compliance
- 3 Overview of BIOS Features
- 4 Error Messages and Beep Codes
Technical Reference
53
2.2.2 Memory Map
Table 10 lists the system memory map.
Table 10. System Memory Map
Address Range (decimal) Address Range (hex) Size Description
1024 K - 4194304 K 100000 - FFFFFFFF 4095 MB Extended memory
960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS
896 K - 960 K E0000 - EFFFF 64 KB Reserved
800 K - 896 K C8000 - DFFFF 96 KB Potential available high DOS
memory (open to the PCI
Conventional bus). Dependent on
video adapter used.
640 K - 800 K A0000 - C7FFF 160 KB Video memory and BIOS
639 K - 640 K 9FC00 - 9FFFF 1 KB Extended BIOS data (movable by
memory manager software)
512 K - 639 K 80000 - 9FBFF 127 KB Extended conventional memory
0 K - 512 K 00000 - 7FFFF 512 KB Conventional memory
2.3 DMA Channels
Table 11. DMA Channels
DMA Channel Number Data Width System Resource
0 8 or 16 bits Open
1 8 or 16 bits Parallel port
2 8 or 16 bits Diskette drive
3 8 or 16 bits Parallel port (for ECP or EPP)
4 8 or 16 bits DMA controller
5 16 bits Open
6 16 bits Open
7 16 bits Open