Code

Beeps

POST Routine Description

 

 

 

 

 

 

 

8Ch

 

Initialize floppy controller

 

 

 

 

 

 

 

8Fh

 

Determine number of ATA drives (optional)

 

 

 

 

 

 

 

90h

 

Initialize hard-disk controllers

 

 

 

 

 

 

 

91h

 

Initialize local-bus hard-disk controllers

 

 

 

 

 

 

 

92h

 

Jump to UserPatch2

 

 

 

 

 

 

 

93h

 

Build MPTABLE for multi-processor boards

 

 

 

 

 

 

 

95h

 

Install CD ROM for boot

 

 

 

 

 

 

 

96h

 

Clear huge ES segment register

 

 

 

 

 

 

 

97h

 

Fixup Multi Processor table

 

 

 

 

 

 

 

98h

1-2

Search for option ROMs. One long, two short

 

 

 

 

beeps on checksum failure.

 

 

 

 

 

 

 

99h

 

Check for SMART drive (optional)

 

 

 

 

 

 

 

9Ah

 

Shadow option ROMs

 

 

 

 

 

 

 

9Ch

 

Set up Power Management

 

 

 

 

 

 

 

9Dh

 

Initialize security engine (optional)

 

 

 

 

 

 

 

9Eh

 

Enable hardware interrupts

 

 

 

 

 

 

 

9Fh

 

Determine number of ATA and SCSI drives

 

 

 

 

 

 

 

A0h

 

Set time of day

 

 

 

 

 

 

 

A2h

 

Check key lock

 

 

 

 

 

 

 

A4h

 

Initialize Typematic rate

 

 

 

 

 

 

 

A8h

 

Erase F2 prompt

 

 

 

 

 

 

 

AAh

 

Scan for F2 key stroke

 

 

 

 

 

 

 

ACh

 

Enter SETUP

 

 

 

 

 

 

 

AEh

 

Clear Boot flag

 

 

 

 

 

 

 

B0h

 

Check for errors

 

 

 

 

 

 

 

B2h

 

POST done- prepare to boot operating system

 

 

 

 

 

 

 

B4h

1

One short beep before boot

 

 

 

 

 

 

 

B5h

 

Terminate QuietBoot (optional)

 

 

 

 

 

 

 

B6h

 

Check password (optional)

 

 

 

 

 

 

 

B9h

 

Prepare Boot

 

 

 

 

 

 

 

BAh

 

Initialize DMI parameters

 

 

 

 

 

 

 

BBh

 

Initialize PnP Option ROMs

 

 

 

 

 

 

 

BCh

 

Clear parity checkers

 

 

 

 

 

 

 

BDh

 

Display MultiBoot menu

 

 

 

 

 

 

 

BEh

 

Clear screen (optional)

 

 

 

 

 

 

 

BFh

 

Check virus and backup reminders

 

 

 

 

 

 

 

C0h

 

Try to boot with INT 19

 

 

 

 

 

 

 

C1h

 

Initialize POST Error Manager (PEM)

 

 

 

 

 

 

 

C2h

 

Initialize error logging

 

 

 

 

 

 

 

C3h

 

Initialize error display function

 

 

 

 

 

 

 

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)

 

 

 

 

 

 

 

 

 

 

 

80

Chapter 4

Page 86
Image 86
Acer 5560, 5540 manual Code Beeps Post Routine Description

5560, 5540 specifications

The Acer 5560 and 5590 series laptops are well-regarded for their balance of performance and affordability, making them popular choices among students and budget-conscious consumers. These models are part of Acer's larger lineup and are known for their reliable functionality, portable design, and essential features that cater to everyday computing needs.

Both the Acer 5560 and 5590 are equipped with AMD processors, specifically designed to deliver efficient multitasking capabilities and ensure smooth performance in various applications. The AMD A-Series processors enable quick data processing and enhance graphics performance, making these laptops suitable for light gaming and multimedia tasks. Additionally, they often come with integrated AMD Radeon graphics, providing decent visual experiences for casual users.

One of the standout features of these models is their display. The laptops typically feature a 15.6-inch HD or Full HD screen, providing vibrant colors and clear images. The LED-backlit display not only enhances power efficiency but also contributes to the slim form factor, making the laptops easy to carry around for students or professionals on the go.

In terms of storage, users can opt for a traditional hard disk drive (HDD) or a solid-state drive (SSD), which allows for flexibility based on performance requirements and budget. The inclusion of an optical drive is another characteristic that appeals to users who still rely on CDs and DVDs, although this feature may be becoming less common in newer models.

Both models also boast a range of connectivity options. Users can benefit from multiple USB ports, HDMI output, and an Ethernet port for wired connectivity, in addition to Wi-Fi and Bluetooth capabilities for seamless wireless communications. With integrated webcams and microphones, these laptops are also well-suited for video conferencing and online collaborations.

The battery life of the Acer 5560 and 5590 series is another appealing aspect, often providing several hours of usage on a single charge. This ensures that users can work or enjoy media without constantly worrying about plugging in.

In conclusion, the Acer 5560 and 5590 series combine essential features with solid performance, making them reliable options for those in need of a functional laptop without breaking the bank. Their robust build quality, decent specifications, and practical design elements cater well to a variety of user needs, from educational activities to casual entertainment.