cmd6686gx manual - RTD Embedded Technologies, Inc.
cmd6686gx manual - RTD Embedded Technologies, Inc.
cmd6686gx manual - RTD Embedded Technologies, Inc.
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The <strong>RTD</strong> Enhanced Award BIOS<br />
The <strong>RTD</strong> Enhanced Award BIOS (Basic Input/Output System) is software that interfaces hardwarespecific<br />
features of the cpuModule to an operating system (OS). Physically, the BIOS software is<br />
stored in a Flash EPROM on the cpuModule. Functions of the BIOS are divided into two parts:<br />
The first part of the BIOS is known as POST (Power-On Self-Test) software, and it is active from<br />
the time power is applied until an OS boots (begins execution). POST software performs a series of<br />
hardware tests, sets up the machine as defined in Setup, and begins the boot of the OS;<br />
The second part of the BIOS is known as the CORE BIOS. It is the normal interface between cpu-<br />
Module hardware and the operating system which is in control. It is active from the time the OS<br />
boots until the cpuModule is turned off. The CORE BIOS provides the system with a series of software<br />
interrupts to control various hardware devices.<br />
The following sections discuss the sections of the BIOS in more detail and describe features of the<br />
BIOS which may be useful to you in developing applications.<br />
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