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

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Image 81
Acer 3290, 3280 manual Chapter

3280, 3290 specifications

The Acer 3290 and 3280 are notable laptops from Acer's extensive lineup, designed predominantly for users seeking a balance of performance and value. Both models provide an array of features tailored for everyday computing tasks, making them suitable for students, professionals, and home users.

At the heart of both the Acer 3290 and 3280 is an Intel processor, offering reliable performance for browsing, document editing, and multimedia consumption. The integration of Intel graphics ensures smooth visuals for non-intensive gaming and video playback, enhancing the overall user experience. The laptops are equipped with ample RAM, typically ranging from 1GB to 2GB, which supports multitasking and efficient operation of various applications.

The displays on these models are 15.4 inches, delivering a solid resolution that caters to standard viewing needs. The screens are designed to provide vivid colors and decent brightness, making them suitable for indoor and outdoor use under favorable lighting conditions. Acer's commitment to user comfort is reflected in the ergonomic keyboard design, which features well-spaced keys, allowing for comfortable typing during long sessions.

Connectivity options are diverse, with the inclusion of multiple USB ports, an Ethernet port, and a 15-in-1 card reader, facilitating easy connections to peripheral devices and networks. The wireless capabilities of both laptops include Wi-Fi and optional Bluetooth technology, ensuring seamless connectivity with other devices and networks.

In terms of storage, users can expect a traditional hard drive, often ranging from 80GB to 160GB, providing adequate space for documents, photos, and multimedia files. The laptops also support Windows operating systems, enabling users to utilize a wide range of software applications that enhance productivity and entertainment.

The build quality of the Acer 3290 and 3280 is functional, with a robust casing that withstands everyday wear and tear. While not the lightest laptops in their category, they are portable enough for travel and daily commutes, catering to users who require a reliable computing solution on the go.

In summary, the Acer 3290 and 3280 are solid choices for users seeking an affordable laptop that can handle everyday tasks with ease. Their combination of Intel processing power, decent display quality, and practical design makes them a popular option among budget-conscious consumers looking for efficiency and longevity in their computing devices.