27

Checkpoint

Beep Code

Description

Code

 

 

 

 

 

49h

 

Perform these tasks:

 

 

1. Size the PCI bus topology and set bridge

 

 

bus numbers

 

 

2. Set the system max bus number

 

 

3. Write a 0 to the command register of

 

 

every PCI device

 

 

4. Write a 0 to all 6 base registers in every

 

 

PCI device

 

 

5. Write a -1 to the status register of every

 

 

PCI device

 

 

6. Find all IOPs and initialize them.

 

 

 

4Ah

 

Initialize all video adapters in system.

 

 

 

4Bh

 

Initialize QuietBoot if it is installed. Enable

 

 

both keyboard and timer interrupts (IRQ0

 

 

and IRQ1). If your POST tasks require inter-

 

 

rupts off, preserve them with a PUSHF and

 

 

CLI at the beginning and a POPF at the end.

 

 

If you change the PIC, preserve the existing

 

 

bits.

 

 

 

4Ch

 

Shadow video BIOS ROM if specified by

 

 

Setup, and CMOS is valid and the previous

 

 

boot was OK.

 

 

 

4Eh

 

Display copyright notice.

 

 

 

4Fh

 

Initialize MultiBoot. Allocate memory for

 

 

old and new MultiBoot history tables.

 

 

 

50h

 

Display CPU type and speed.

 

 

 

51h

 

Checksum CMOS and initialize each EISA

 

 

slot with data from the initialization data

 

 

block.

 

 

 

52h

 

Verify keyboard reset.

 

 

 

54h

 

Initialize keystroke clicker if not enabled in

 

 

Setup.

 

 

 

55h

 

Enable USB devices.

 

 

 

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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.