DX58SO datasheet(41/88 Pages) INTEL

41 / 88 page

Technical Reference

2.1.2

Memory Map

Table 8 lists the system memory map.

Table 8. System Memory Map

Address Range (decimal) Address Range (hex)

Size

Description

1024 K - 16777216 K

100000 - 3FFFFFFFF

16382 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

2.2

Connectors and Headers

CAUTION

Only the following connectors and headers have overcurrent protection: back panel

and front panel USB, as well as IEEE 1394a.

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 or 1394 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 43)

DX58SO Datasheet(PDF) 41 Page - Intel Corporation

DX58SO Datasheet(HTML) 41 Page - Intel Corporation

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