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 Data Area

 

 

 

89h

 

Enable Non-Maskable Interrupts (NMIs)

 

 

 

Chapter 4

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Acer 4310 manual Code Beeps Post Routine Description

4310 specifications

The Acer 4310 is a versatile and compact laptop that gained popularity in the mid-2000s, catering primarily to students, professionals, and casual users seeking a balance between performance and portability. This laptop series is known for its user-friendly design and solid performance for day-to-day tasks.

One of the standout features of the Acer 4310 is its Intel Core Duo processor, which delivers adequate power for multi-tasking and running everyday applications. With its dual-core architecture, users can expect improved performance compared to its single-core predecessors. The processor is paired with sufficient RAM options, typically ranging from 1GB to 2GB, allowing for smooth operation of basic programs and web browsing.

The Acer 4310 houses a 15.4-inch display that strikes a good balance between usability and portability. With a resolution of 1280x800, it offers decent clarity and color accuracy for watching videos, viewing images, or working on documents. Its widescreen format makes it convenient for multitasking and side-by-side application use.

In terms of connectivity, the Acer 4310 is equipped with multiple ports, including USB 2.0 ports, a VGA output for connecting to external displays, and an Ethernet port for wired internet connections. Wireless connectivity is enhanced with built-in Wi-Fi, enabling users to easily connect to home or public networks.

The laptop's storage options are quite flexible, with varying hard drive capacities that cater to different user needs. Commonly, users would find hard drives ranging from 80GB to 160GB, providing ample space for storing documents, music, and photos.

The Acer 4310's build quality is commendable for a budget-friendly laptop, featuring a durable chassis designed to withstand daily wear and tear. The keyboard is comfortable for typing, and the touchpad is responsive, further enhancing user experience.

Battery life on the Acer 4310 is satisfactory for its class, often providing several hours of usage on a single charge, making it a suitable companion for on-the-go users.

In conclusion, the Acer 4310 is a capable laptop that combines performance, portability, and affordability. Its reliable specifications and practical features make it ideal for students and everyday users, representing a solid choice for those seeking a dependable device for basic computing tasks.