Intel DQ67OW DQ67OW Technical Product Specification - Page 43
Connectors and Headers
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Technical Reference 2.1.2 Memory Map Table 8 lists the system memory map. Table 8. System Memory Map Address Range 1024 K - 33550336 K Address Range 100000 - 7FFC00000 960 K - 1024 K F0000 - FFFFF 896 K - 960 K E0000 - EFFFF 800 K - 896 K C8000 - DFFFF 640 K - 800 K A0000 - C7FFF 639 K - 640 K 9FC00 - 9FFFF 512 K - 639 K 80000 - 9FBFF 0 K - 512 K 00000 - 7FFFF Size 32764 MB 64 KB 64 KB 96 KB 160 KB 1 KB 127 KB 512 KB Description Extended memory Runtime BIOS Reserved Potential available high DOS Video me(mory andhBIOS Extended BIOS data (movable by Extended conventionfal mem) ory Conventional memory 2.2 Connectors and Headers CAUTION Only the following connectors and headers have overcurrent protection: back panel and front panel USB, and PS/2. The other internal connectors and headers are not overcurrent protected and should connect only to devices inside the computer's chassis, such as fans and internal peripherals. Do not use these connectors or headers to power devices external to the computer's chassis. A fault in the load presented by the external devices could cause damage to the computer, the power cable, and the external devices themselves. Furthermore, improper connection of USB header single wire connectors may eventually overload the overcurrent protection and cause damage to the board. This section describes the board's connectors. The connectors can be divided into these groups: • Back panel I/O connectors • Component-side I/O connectors and headers (see page 45) 43