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3 Getting Started

BIOS POST Checkpoint Codes

The POST code checkpoints are references and instructions used during the BIOS pre-boot process. The following table describes the checkpoints and associated beep codes, if any, that may occur during the POST portion of the BIOS.

Checkpoint

Beep Code

Description

Code

 

 

 

 

 

01h

One short

 

 

beep before

 

 

boot

 

 

 

 

02h

 

Verify Real Mode. If the CPU is in protected

 

 

mode, turn on A20 and pulse the reset line,

 

 

forcing a shutdown 0.

 

 

NOTE: Hook routine should not alter DX,

 

 

which holds the powerup CPUID.

 

 

 

03h

 

Disabel Non-Maskable Interrupts (NMI).

 

 

 

04h

 

Get CPU type from CPU registers and other

 

 

methods.

 

 

Save CPU type in NVRAM.

 

 

NOTE: Hook routine should not alter DX,

 

 

which holds the powerup CPUID.

 

 

 

06h

 

Initialize system hardware. Reset the DMA

 

 

controllers, disable video, clear any pending

 

 

interrupts from the real-time clock and

 

 

setup port B register.

 

 

 

07h

 

Disable system ROM shadow and start to

 

 

execute ROMEXEC code from the flash part.

 

 

This task is pulled into the build only when

 

 

the ROMEXEC relocation is installed.

 

 

 

08h

 

Initialize chipset registers to the Initial POST

 

 

Values.

 

 

 

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Acer R310 manual Bios Post Checkpoint Codes, Checkpoint Beep Code Description

R310 specifications

The Acer R310 is a prominent multimedia projector that stands out for its versatile performance and impressive features. Designed to meet the needs of both business and educational environments, the R310 exhibits a blend of portability, ease of use, and advanced technology, making it an ideal choice for presentations, lectures, and entertainment purposes.

One of the standout characteristics of the Acer R310 is its resolution capabilities. The projector supports a high-definition 1280 x 800 pixel resolution, ensuring sharp and clear images. This specification is crucial for displaying detailed graphics, videos, and text during presentations, allowing for an engaging and effective communication experience. Coupled with a brightness level of up to 3,000 ANSI lumens, the R310 performs reliably in both dark and well-lit settings, enabling users to present to larger audiences without compromising quality.

The Acer R310 employs advanced color technology that enhances color precision and vibrancy. Utilizing Acer's ColorBoost technology, the projector can deliver a wider color gamut, ensuring that colors appear more vivid and lifelike. This feature is particularly beneficial when showcasing multimedia content, as it enhances the overall viewing experience.

Portability is another key attribute of the Acer R310. Weighing in at just under 4 pounds, this projector is easy to transport, making it an excellent choice for traveling professionals or educators who frequently move between locations. Additionally, it features a compact design that allows for hassle-free storage in tight spaces.

Connectivity options are abundant with the R310. The projector is equipped with multiple inputs, including HDMI, VGA, and USB ports, facilitating seamless connections with various devices such as laptops, tablets, and streaming devices. This versatility allows users to project content from different sources without the need for adapters or converters.

Furthermore, the Acer R310 boasts an impressive lamp life, rated at up to 6,500 hours in eco mode. This extended lifespan reduces maintenance costs and ensures that users can enjoy long-term performance without frequently replacing bulbs.

In conclusion, the Acer R310 is a powerful and user-friendly projector that combines high-resolution imaging, bright output, enhanced color technology, and portability. With its robust connectivity options and long lamp life, it serves as a reliable solution for diverse presentation needs, making it an excellent investment for both professional and educational settings.