Code

Beeps

POST Routine Description

 

 

 

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

 

 

 

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)

 

 

 

Chapter 4

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Acer 7336, 7540, 7736Z manual Code Beeps Post Routine Description

7736, 7540, 7736Z, 7336 specifications

The Acer 7336, 7736Z, 7540, and 7736 laptops represent a series of powerful machines designed to cater to various computing needs, combining efficiency, performance, and versatility. These models are part of Acer’s expansive portfolio that addresses both casual users and demanding professionals.

The Acer 7336 laptop is equipped with a dynamic Intel processor, which ensures swift and reliable performance for daily tasks such as browsing, document editing, and media playback. Its sleek design houses a high-definition display that enhances visual clarity and enjoyment whether you are watching movies or engaging in presentations. With a range of connectivity options including USB ports, HDMI output, and an SD card reader, the 7336 ensures that you remain connected to various devices and peripherals.

Moving on to the Acer 7736Z, this model steps up the performance with dedicated graphics capabilities. This makes it a suitable choice for users who engage in light gaming or graphic design. Accompanied by a spacious hard drive and ample RAM, the 7736Z supports multitasking with ease, allowing users to run multiple applications without experiencing slowdowns. Its audio system is also noteworthy, providing enjoyable sound quality for music and movie consumption.

The Acer 7540 further enhances the user experience with features such as advanced thermal management systems that ensure the laptop remains cool under pressure. This model also typically boasts a large screen, making it optimal for those who prioritize visual real estate for tasks ranging from document editing to graphic design. The incorporation of an ergonomic keyboard promotes comfortable typing sessions, ideal for users who spend extended periods on their devices.

Lastly, the Acer 7736 combines performance and portability. It offers a refined balance between a lightweight chassis and robust performance specifications. Its battery life is designed to support a full day of productivity, with energy-efficient components that balance power and endurance.

Together, these Acer models showcase a commitment to delivering quality experiences through their advanced technologies, user-centric designs, and robust performance metrics, making them suitable for a wide array of users from students to professionals. Whether it’s for academic use, creative projects, or general day-to-day tasks, the Acer 7336, 7736Z, 7540, and 7736 remain formidable contenders in the laptop arena.