Code

Beeps

POST Routine Description

 

 

 

46h

2-1-2-3

Check ROM copyright notice

 

 

 

48h

 

Check video configuration against CMOS

 

 

 

49h

 

Initialize PCI bus and devices

 

 

 

4Ah

 

Initialize all video adapters in system

 

 

 

4Bh

 

QuietBoot start (optional)

 

 

 

4Ch

 

Shadow video BIOS ROM

 

 

 

4Eh

 

Display BIOS copyright notice

 

 

 

50h

 

Display CPU type and speed

 

 

 

51h

 

Initialize EISA board

 

 

 

52h

 

Test keyboard

 

 

 

54h

 

Set key click if enabled

 

 

 

58h

2-2-3-1

Test for unexpected interrupts

 

 

 

59h

 

Initialize POST display service

 

 

 

5Ah

 

Display prompt “Press F2 to enter SETUP”

 

 

 

5Bh

 

Disable CPU cache

 

 

 

5Ch

 

Test RAM between 512 and 640 KB

 

 

 

60h

 

Test extended memory

 

 

 

62h

 

Test extended memory address lines

 

 

 

64h

 

Jump to User Patch1

 

 

 

66h

 

Configure advanced cache registers

 

 

 

67h

 

Initialize Multi Processor APIC

 

 

 

68h

 

Enable external and CPU caches

 

 

 

69h

 

Setup System Management Mode (SMM) area

 

 

 

6Ah

 

Display external L2 cache size

 

 

 

6Bh

 

Load custom defaults (optional)

 

 

 

6Ch

 

Display shadow-area message

 

 

 

6Eh

 

Display possible high address for UMB

 

 

recovery

 

 

 

70h

 

Display error messages

 

 

 

72h

 

Check for configuration errors

 

 

 

76h

 

Check for keyboard errors

 

 

 

7Ch

 

Set up hardware interrupt vectors

 

 

 

7Eh

 

Initialize coprocessor if present

 

 

 

80h

 

Disable onboard Super I/O ports and IRQs

 

 

 

81h

 

Late POST device initialization

 

 

 

82h

 

Detect and install external RS232 ports

 

 

 

83h

 

Configure non-MCD IDE controllers

 

 

 

84h

 

Detect and install external parallel ports

 

 

 

85h

 

Initialize PC-compatible PnP ISA devices

 

 

 

86h

 

Re-initialize onboard I/O ports

 

 

 

87h

 

Configure Motherboard Configurable Devices

 

 

(optional)

 

 

 

88h

 

Initialize BIOS Area

 

 

 

89h

 

Enable Non-Maskable Interrupts (NMIs)

 

 

 

8Ah

 

Initialize Extended BIOS Data Area

 

 

 

8Bh

 

Test and initialize PS/2 mouse

 

 

 

Chapter 4

89

Page 87
Image 87
Acer 8920 manual Chapter

8920 specifications

The Acer 8920 is a versatile and powerful laptop designed to cater to the needs of multimedia enthusiasts and professionals alike. Launched as part of Acer's gem series, the 8920 stands out with its sleek design and impressive features.

One of the main highlights of the Acer 8920 is its 18.4-inch high-definition display, which boasts a resolution of 1920x1080 pixels. This screen delivers stunning visuals, making it ideal for watching movies, playing games, or working on graphic design projects. The Full HD capability enhances the viewing experience with vibrant colors and sharp details, ensuring that every image looks crystal clear.

Under the hood, the Acer 8920 is powered by Intel's robust processing units, allowing it to handle multitasking with ease. Equipped with an Intel Core 2 Duo processor and up to 4GB of RAM, the laptop provides sufficient power for most demanding applications. Additionally, the 8920 features a dedicated NVIDIA GeForce graphics card, which significantly boosts performance in gaming and graphic-intensive tasks, making it suitable for both casual and hardcore gamers.

One of the standout features of the Acer 8920 is its Dolby Home Theater surround sound technology. With multiple speakers strategically placed around the laptop, users can enjoy an immersive audio experience that complements the stunning visuals. This feature is particularly beneficial for watching movies or listening to music, allowing users to feel as if they are part of the action.

For storage, the Acer 8920 offers various configurations, typically featuring a spacious 320GB or 500GB hard drive, ensuring ample space for files, applications, and multimedia content. The inclusion of multiple USB ports, HDMI output, and an ExpressCard slot enhances connectivity options, allowing users to connect various peripherals and external displays.

The laptop also comes with a built-in webcam and microphone, facilitating video calls and online meetings. Battery life is decent, enabling users to stay productive while on the move, although it is always recommended to keep power outlets in mind for extended use.

Overall, the Acer 8920 combines impressive hardware specifications, superior audio-visual capabilities, and a sleek design, making it a formidable choice for anyone in need of a robust multimedia laptop. Whether for gaming, content creation, or entertainment, the Acer 8920 delivers a well-rounded performance that meets a wide array of user needs.