29

Checkpoint

Beep Code

Description

Code

 

 

 

 

 

68h

 

Enable external cache and CPU cache if

 

 

present.

 

 

Configure non-cacheable regions if neces-

 

 

sary.

 

 

NOTE: Hook routine must preserve DX,

 

 

which carries the cache size to the Display-

 

 

CacheSizeJ routine.

 

 

 

69h

 

Initialize the handler for SMM.

 

 

 

6Ah

 

Display external cache size on the screen if it

 

 

is non-zero.

 

 

NOTE: Hook routine must preserve DX,

 

 

which carries the cache size from the cache-

 

 

ConfigureJ routine.

 

 

 

6Bh

 

If CMOS is bad, load Custom Defaults from

 

 

flash into CMOS. If successful, reboot.

 

 

 

6Ch

 

Display shadow message.

 

 

 

6Eh

 

Display the starting offset of the non-dis-

 

 

posable segment of the BIOS.

 

 

 

70h

 

Check flags in CMOS and in the BIOS data

 

 

area for errors detected during POST. Dis-

 

 

play error messages on the screen.

 

 

 

72h

 

Check status bits to see if configuration

 

 

problems were detected. If so, display error

 

 

messages on the screen.

 

 

 

76h

 

Check status bits for keyboard-related fail-

 

 

ures. Display error messages on the screen.

 

 

 

7Ch

 

Initialize the hardware interrupt vectors

 

 

from 08 to 0F and from 70h to 77h. Also set

 

 

the interrupt vectors from 60h to 66h to

 

 

zero.

 

 

 

7Dh

 

Initialize Intelligent System Monitoring.

 

 

 

Page 39
Image 39
Acer R310 manual 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.