IntelÂ® Desktop Board DQ67OW Technical ... - Viglen Download

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Intel Desktop Board DQ67OW Technical Product SpecificationFigure 8. Detailed System Memory Address Map42
Technical Reference2.1.2 Memory MapTable 8 lists the system memory map.Table 8. System Memory MapAddress Range Address Range Size Description1024 K - 33550336 K 100000 – 7FFC00000 32764 MB Extended memory960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS896 K - 960 K E0000 - EFFFF 64 KB Reserved800 K - 896 K C8000 - DFFFF 96 KB Potential available high DOS640 K - 800 K A0000 - C7FFF 160 KB( hVideo memory and BIOS639 K - 640 K 9FC00 - 9FFFF 1 KB Extended BIOS data (movable by512 K - 639 K 80000 - 9FBFF 127 KBf )Extended conventional memory0 K - 512 K 00000 - 7FFFF 512 KB Conventional memory2.2 Connectors and HeadersCAUTIONOnly the following connectors and headers have overcurrent protection: back paneland front panel USB, and PS/2.The other internal connectors and headers are not overcurrent protected and shouldconnect only to devices inside the computer’s chassis, such as fans and internalperipherals. Do not use these connectors or headers to power devices external to thecomputer’s chassis. A fault in the load presented by the external devices could causedamage to the computer, the power cable, and the external devices themselves.Furthermore, improper connection of USB header single wire connectors mayeventually overload the overcurrent protection and cause damage to the board.This section describes the board’s connectors. The connectors can be divided intothese groups:• Back panel I/O connectors• Component-side I/O connectors and headers (see page 45)43
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