Code

Beeps

POST Routine Description

 

 

 

BEh Cle

 

ar screen (optional)

BFh

 

Check virus and backup reminders

 

 

 

C0h

 

Try to boot with INT 19

 

 

 

C1h Initial

 

ize POST Error Manager (PEM)

 

 

 

C2h Initial

 

ize error logging

 

 

 

C3h

 

Initialize error display function

 

 

 

Code

Beeps

POST Routine Description

 

 

 

C4h

 

Initialize system error handler

 

 

 

C5h

 

PnPnd dual CMOS (optional)

 

 

 

C6h

 

Initialize notebook docking (optional)

 

 

 

C7h

 

Initialize notebook docking late

 

 

 

C8h

 

Force check (optional)

 

 

 

C9h

 

Extended checksum (optional)

 

 

 

D2h Unkn

 

own interrupt

 

 

 

Code

Beeps

For Boot Block in Flash ROM

 

 

 

E0h Initial

 

ize the chipset

E1h Initial

 

ize the bridge

 

 

 

E2h Initial

 

ize the CPU

 

 

 

E3h

 

Initialize system timer

 

 

 

E4h

 

Initialize system I/O

 

 

 

E5h

 

Check force recovery boot

 

 

 

E6h

 

Checksum BIOS ROM

 

 

 

E7h G

 

o to BIOS

 

 

 

E8h Set

 

Huge Segment

 

 

 

E9h Initial

 

ize 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 Initial

 

ize video

 

 

 

F3h

 

Initialize System Management Mode

 

 

 

F4h

1

Output one beep before boot

 

 

 

F5h

 

Boot to Mini DOS

 

 

 

F6h Cle

 

ar Huge Segment

 

 

 

F7h

 

Boot to Full DOS

 

 

 

130

Chapter 4

Page 140
Image 140
Acer 4252, 4552G manual Code Beeps For Boot Block in Flash ROM

4252, 4552, 4552G specifications

The Acer 4552G, 4552, and 4252 series laptops are part of Acer's lineup that caters to users looking for a balance between performance, reliability, and affordability. This generation is designed primarily for everyday computing tasks, making it suitable for students, professionals, and casual users alike.

The Acer 4552G is particularly noteworthy for its robust hardware configurations. It is powered by AMD's Phenom II or Athlon processor options, delivering adequate processing power for multitasking and everyday applications. The laptop can support up to 8GB of RAM, allowing users to run multiple applications smoothly without significant slowdown.

Among the main features of the Acer 4552 series laptops is the integration of AMD Radeon graphics, specifically the Mobility Radeon HD 4000 series. This graphics capabilities offer a decent performance for light gaming and graphic-intensive tasks, which enhances its usability for media consumption and casual gaming.

Another key characteristic of these models is their display. The 15.6-inch widescreen LED-backlit display provides clear visuals and vibrant colors, making it suitable for watching movies and browsing the web. With a resolution of 1366 x 768 pixels, it meets the expectations for standard usage but may not satisfy users seeking higher definitions for graphic design work.

Connectivity options in the Acer 4552 series include multiple USB ports, HDMI output, and an integrated card reader, making it convenient to connect various peripherals and external devices. The inclusion of Wi-Fi and Ethernet ensures robust internet connectivity, which is essential in today's digital world.

Battery life is another aspect worth noting. The laptops typically come with a standard 6-cell battery that offers reasonable longevity, allowing users to get through a workday or study session without needing a recharge frequently.

In conclusion, the Acer 4552G, 4552, and 4252 laptops stand out for their thoughtful balance of features and technologies. With sufficient processing power, decent graphics capabilities, a good display, and ample connectivity options, these laptops are a solid choice for users seeking reliable performance at an affordable price. Their design and specifications cater well to the needs of everyday users while providing a platform for slight gaming and multimedia enjoyment.