25

 

 

 

Checkpoint

Beep Code

Description

Code

 

 

 

 

 

1Ch

 

Initialize interrupt controllers for some shut-

 

 

downs.

 

 

 

20h

1-3-1-1

Verify that DRAM refresh is operating by

 

 

polling the refresh bit in PORTB.

 

 

 

22h

1-3-1-3

Reset the keyboard.

 

 

 

24h

 

Set segment-register addressibility to 4 GB.

 

 

 

28h

1-3-3-1

Using the table of configurations supplied

 

 

by the specific chipset module, test each

 

 

DRAM configuration to see if that particular

 

 

configuration is valid. Then program the

 

 

chipset to its autosized configuration.

 

 

Before autosizing, disable all caches and all

 

 

shadow RAM.

 

 

 

29h

1-3-3-2

Initialize the POST Memory Manager.

 

 

 

2Ah

 

Zero the first 512K of RAM.

 

 

 

2Ch

1-3-4-1

Test 512K base address lines.

 

 

 

2Eh

1-3-4-3

Test first 512K of RAM.

 

 

 

2Fh

 

Initialize external cache before shadowing.

 

 

 

32h

 

Compute CPU speed.

 

 

 

33h

 

Initialize the Phoenix Dispatch Manager.

 

 

 

34h

1-4-2-1

CMOS test.

 

 

 

36h

 

Vector to proper shutdown routine.

 

 

 

38h

 

Shadow the system BIOS.

 

 

 

3Ah

 

Autosize external cache and program cache

 

 

size for enabling later in POST.

 

 

 

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Acer R310 manual Checkpoint Beep Code Description
Page 34 Page 36

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.
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