Phoenix BIOS Beep Codes

Code

Beeps

POST Routine Description

 

 

 

02h

 

Verify Real Mode

 

 

 

03h

 

Disable Non-Maskable Interrupt (NMI)

 

 

 

04h

 

Get CPU type

 

 

 

06h

 

Initialize system hardware

 

 

 

08h

 

Initialize chipset with initial POST values

 

 

 

09h

 

Set IN POST flag

 

 

 

0Ah

 

Initialize CPU registers

 

 

 

0Bh

 

Enable CPU cache

 

 

 

0Ch

 

Initialize caches to initial POST values

 

 

 

0Eh

 

Initialize I/O component

 

 

 

0Fh

 

Initialize the local bus IDE

 

 

 

10h

 

Initialize Power Management

 

 

 

11h

 

Load alternate registers with initial POST

 

 

values

 

 

 

12h

 

Restore CPU control word during warm

 

 

boot

 

 

 

13h

 

Initialize PCI Bus Mastering devices

 

 

 

14h

 

Initialize keyboard controller

 

 

 

16h

1-2-2-3

BIOS ROM checksum

 

 

 

17h

 

Initialize cache before memory autosize

 

 

 

18h

 

8254 timer initialization

 

 

 

1Ah

 

8237 DMA controller initialization

 

 

 

1Ch

 

Reset Programmable Interrupt Controller

 

 

 

20h

1-3-1-1

Test DRAM refresh

 

 

 

22h

1-3-1-3

Test 8742 Keyboard Controller

 

 

 

24h

 

Set ES segment register to 4 GB

 

 

 

26h

 

Enable A20 line

 

 

 

28h

 

Autosize DRAM

 

 

 

29h

 

Initialize POST Memory Manager

 

 

 

2Ah

 

Clear 215 KB base RAM

 

 

 

2Ch

1-3-4-1

RAM failure on address line xxxx

 

 

 

2Eh

1-3-4-3

RAM failure on data bits xxxx of low byte

 

 

of memory bus

 

 

 

2Fh

 

Enable cache before system BIOS

 

 

shadow

 

 

 

30h

1-4-1-1

RAM failure on data bits xxxx of high byte

 

 

of memory bus

 

 

 

32h

 

Test CPU bus-clock frequency

 

 

 

33h

 

Initialize Phoenix Dispatch Manager

 

 

 

36h

 

Warm start shut down

 

 

 

38h

 

Shadow system BIOS ROM

 

 

 

3Ah

 

Autosize cache

 

 

 

110

Chapter 4

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Acer 5320, 5220 manual Phoenix Bios Beep Codes, Code Beeps Post Routine Description

5320, 5220 specifications

The Acer 5520, 5220, and 5520G series laptops are part of Acer's Aspire lineup, targeting everyday users with a balance of performance, affordability, and portability. These models, launched around the mid-2000s, have played a significant role in making computing accessible to a broader audience.

The Acer 5520 and 5220 models are powered by AMD processors, with the 5520 focusing on enhanced performance suitable for light gaming and multimedia tasks. The 5520G, in contrast, is equipped with a dedicated graphics card, specifically designed to provide better graphics performance for gaming and graphics-intensive applications. This makes the 5520G an appealing choice for users who require superior visuals and enhanced gaming experiences.

These laptops come with a range of display options, primarily featuring a 15.4-inch TFT LCD screen. The 1280 x 800 resolution, while standard for its time, provides decent clarity for basic tasks like browsing, office applications, and video playback. The aspect ratio promotes a balance between productivity and entertainment, making it suitable for casual use.

The design of the Acer 5520 and its variants reflects a functional aesthetic, with a compact chassis that weighs just a few kilograms. This lightweight configuration enhances portability, allowing users to easily carry them to school, work, or during travel. Additionally, these laptops feature a full-sized keyboard, providing a comfortable typing experience for prolonged use.

One of the significant characteristics of the Acer laptops is their connectivity options. The models are typically equipped with multiple USB ports, a built-in webcam, an SD card reader, and an integrated microphone, covering the essential connectivity needs of users. The inclusion of Wi-Fi capabilities enables seamless internet access, facilitating online communication and browsing.

Battery life is another consideration, with these models offering decent performance for casual users. While not the longest-lasting in the market, the provided battery can typically support a few hours of use, making them suitable for on-the-go tasks.

In terms of storage, the laptops usually come with various hard drive options, allowing users to choose an adequate capacity suited to their needs. With a Windows operating system installed, these models are ready for extensive software use, fulfilling the requirements of students and professionals alike.

In summary, the Acer 5520, 5220, and 5520G laptops provide a blend of critical features geared toward everyday computing. Their balance of performance, portability, and connectivity make them suitable devices for users who seek reliable functionality without breaking the bank.