Code

 

Beeps

POST Routine Description

 

 

 

 

 

D2h

 

 

 

Unknown interrupt

 

 

 

 

 

 

 

 

 

 

 

Code

 

Beeps

For Boot Block in Flash ROM

 

 

 

 

 

E0h

 

 

 

Initialize the chipset

 

 

 

 

 

E1h

 

 

 

Initialize the bridge

 

 

 

 

 

E2h

 

 

 

Initialize the CPU

 

 

 

 

 

E3h

 

 

 

Initialize the system timer

 

 

 

 

 

E4h

 

 

 

Initialize system I/O

 

 

 

 

 

E5h

 

 

 

Check force recovery boot

 

 

 

 

 

E6h

 

 

 

Checksum BIOS ROM

 

 

 

 

 

E7h

 

 

 

Go to BIOS

 

 

 

 

 

E8h

 

 

 

Set Huge Segment

 

 

 

 

 

E9h

 

 

 

Initialize Multi Processor

 

 

 

 

 

EAh

 

 

 

Initialize OEM special code

 

 

 

 

 

EBh

 

 

 

Initialize PIC and DMA

 

 

 

 

 

ECh

 

 

 

Initialize Memory type

 

 

 

 

 

EDh

 

 

 

Initialize Memory size

 

 

 

 

 

EEh

 

 

 

Shadow Boot Block

 

 

 

 

 

EFh

 

 

 

System memory test

 

 

 

 

 

F0h

 

 

 

Initialize interrupt vectors

 

 

 

 

 

F1h

 

 

 

Initialize Run Time Clock

 

 

 

 

 

F2h

 

 

 

Initialize video

 

 

 

 

 

F3h

 

 

 

Initialize System Management Mode

 

 

 

 

 

F4h

 

1

 

Output one beep before boot

 

 

 

 

 

F5h

 

 

 

Boot to Mini DOS

 

 

 

 

 

F6h

 

 

 

Clear Huge Segment

 

 

 

 

 

F7h

 

 

 

Boot to Full DOS

 

 

 

 

 

Chapter 4

84

Page 93
Image 93
Acer 1520 manual Code Beeps For Boot Block in Flash ROM

1520 specifications

The Acer 1520 is a noteworthy addition to the lineup of mid-range laptops, designed primarily for users seeking reliable performance for everyday computing tasks. This laptop strikes a balance between performance, portability, and affordability, making it an excellent choice for students, professionals, and casual users alike.

One of the standout features of the Acer 1520 is its display. With a 15.6-inch screen, it boasts a Full HD resolution that delivers sharp and vibrant visuals. The anti-glare coating further enhances the viewing experience by reducing reflections, making it suitable for various lighting conditions. Whether you're working on spreadsheets, watching movies, or browsing the web, the display offers an immersive experience.

Under the hood, the Acer 1520 is powered by the latest Intel Core processors, providing ample power for multitasking and demanding applications. Coupled with up to 16GB of RAM, users can run multiple applications smoothly without experiencing lag. This makes it ideal for users who require a machine that can handle everything from basic tasks to more resource-intensive operations like photo and video editing.

Storage options in the Acer 1520 include both traditional HDDs and faster SSDs. This flexibility allows users to choose between larger storage capacities at a lower cost or faster performance with reduced load times. Furthermore, the laptop supports additional storage options through USB ports, including USB 3.0, which enables quick file transfers.

The design of the Acer 1520 is user-friendly, featuring a chiclet keyboard that enhances typing comfort and precision. The touchpad is responsive and supports multi-touch gestures, making navigation intuitive. Additionally, the ergonomic design contributes to a comfortable user experience over extended periods.

Connectivity is another strong point of the Acer 1520. It comes with a variety of ports, including HDMI, USB-C, and an audio jack, allowing for easy connection to external devices like monitors, projectors, and audio systems. The inclusion of Wi-Fi 6 technology ensures that users enjoy faster internet speeds and a more stable connection, which is particularly beneficial for streaming and online gaming.

In summary, the Acer 1520 is a versatile laptop that delivers solid performance, a vibrant display, and a range of connectivity options, making it a great option for anyone in search of a dependable computing device for daily use. Its combination of features, performance, and value positions it well in the competitive laptop market, catering to a diverse set of requirements.