Code

Beeps

POST Routine Description

 

 

 

3Ch

 

Advanced configuration of chipset

 

 

registers

 

 

 

3Dh

 

Load alternate registers with CMOS

 

 

values

 

 

 

42h

 

Initialize interrupt vectors

 

 

 

45h

 

POST device initialization

 

 

 

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

 

 

 

Chapter 4

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Acer 5740D, 5340 manual Setup

5340, 5740D specifications

The Acer 5740D, 5740, 5740G, and 5340 series of laptops introduced a range of features and technologies designed to cater to various computing needs, from everyday tasks to more demanding applications. These models became notable for their performance, affordability, and versatile specifications.

The Acer 5740D is primarily recognized for its integrated Graphics Media Accelerator, which makes it suitable for light gaming and multimedia functions. It is powered by Intel's processors, delivering reliable performance for standard productivity tasks like web browsing, word processing, and streaming videos. This model offers a 15.6-inch display, providing a balance between portability and screen real estate, making it an ideal choice for students and casual users alike.

On the other hand, the Acer 5740 and 5740G elevate the performance with dedicated graphics options. The 5740G, in particular, is furnished with NVIDIA GeForce graphics, which enhances gaming capabilities and graphics-intensive tasks such as video editing. This feature is crucial for users who seek a machine that performs well under load and can handle modern gaming titles at reasonable settings. Both these models also sport a 15.6-inch display but feature better resolution options compared to the 5740D.

The Acer 5340 series also shares some similarities with the 5740 variants but is positioned within a more budget-friendly range. It typically features a slightly lower-end Intel processor, making it ideal for users who need a reliable machine for basic tasks without the need for high-performance hardware. The 5340 offers a robust battery life, making it well-suited for students or professionals who require portability and longevity in their devices.

Each of these laptops includes a chiclet-style keyboard, which enhances typing comfort and accuracy. They also offer diverse connectivity options, including USB ports, HDMI, and Ethernet, allowing easy integration into various setups.

In summary, the Acer 5740D, 5740, 5740G, and 5340 series cater to a diverse user base, from casual users to more demanding consumers. Their blend of performance, connectivity, and affordability solidifies their status as reliable options in the competitive laptop market, appealing to individuals who seek functional devices without breaking the bank.