Code

Beeps

POST Routine Description

 

 

 

38h

 

Shadow system BIOS ROM

3Ah

 

Autosize cache

 

 

 

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 UserPatch1

 

 

 

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

 

 

 

152

Chapter 4

Page 162
Image 162
Packard Bell LJ61 manual Chapter

LJ61 specifications

The Packard Bell LJ61 is a versatile laptop designed to meet the needs of everyday computing and multimedia entertainment. Known for its sleek design and solid performance, the LJ61 stands out in the competitive laptop market with a unique blend of features that cater to both casual users and more demanding tasks.

One of the primary characteristics of the Packard Bell LJ61 is its display. With a 15.6-inch screen, the laptop offers a vibrant resolution that enhances the visual experience. The LED backlight technology provides sharp colors and better contrast, making it ideal for watching movies or working on photo editing tasks. The larger screen size also allows for improved multitasking, providing enough space to comfortably view multiple applications.

Under the hood, the LJ61 is equipped with various processor options, including Intel and AMD configurations. Depending on the specific model, users can expect performance levels suitable for daily tasks such as browsing the web, streaming videos, or working on documents. The choice between different processors means that buyers can select the version that best meets their performance needs and budget.

Memory and storage options further enhance the LJ61’s appeal. Many configurations come with 4GB of RAM, which is adequate for most everyday applications, while some higher-end models may offer up to 8GB. Additionally, the laptop features a hard drive with storage options ranging from 500GB to 1TB, providing ample space for files, applications, and multimedia content.

The laptop is designed with connectivity in mind. It comes equipped with multiple USB ports, HDMI output, and an SD card reader, allowing users to connect a variety of peripherals and external devices. Wireless connectivity options such as Wi-Fi and Bluetooth are also integral features, enabling seamless access to the internet and connectivity with other devices.

Battery life is another consideration, and the LJ61 is built to keep users mobile. While battery performance can vary based on usage, the laptop aims to provide enough power to last through several hours of typical usage.

Overall, the Packard Bell LJ61 combines a stylish design with functional features that cater to a wide variety of users. Its balance of performance, display quality, and connectivity options make it a solid choice for students, professionals, and casual users alike. Whether for work or leisure, the LJ61 is designed to enhance the computing experience.