Code

Beeps

POST Routine Description

 

 

 

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)

 

 

 

D2h

 

Unknown interrupt

 

 

 

E0h

 

Initialize the chipset

 

 

 

E1h

 

Initialize the bridge

 

 

 

E2h

 

Initialize the CPU

 

 

 

E3h

 

Initialize the system timer

 

 

 

E4h

 

Initialize system I/O

 

 

 

E5h

 

Check force recovery boot

 

 

 

E6h

 

Checksum BIOS ROM

 

 

 

E7h

 

Go to BIOS

 

 

 

E8h

 

Set Huge Segment

 

 

 

E9h

 

Initialize Multi Processor

 

 

 

EAh

 

Initialize OEM special code

 

 

 

EBh

 

Initialize PIC and DMA

 

 

 

ECh

 

Initialize Memory type

 

 

 

EDh

 

Initialize Memory size

 

 

 

EEh

 

Shadow Boot Block

 

 

 

EFh

 

System memory test

 

 

 

F0h

 

Initialize interrupt vectors

 

 

 

F1h

 

Initialize Run Time Clock

 

 

 

F2h

 

Initialize video

 

 

 

F3h

 

Initialize System Management Mode

 

 

 

F4h

1

Output one beep before boot

 

 

 

F5h

 

Boot to Mini DOS

 

 

 

F6h

 

Clear Huge Segment

 

 

 

F7h

 

Boot to Full DOS

 

 

 

Chapter 4

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Acer 4740G, 4740ZG manual Code Beeps Post Routine Description

4740, 4740G, 4740Z, 4740ZG specifications

The Acer 4740 series, which includes models like the 4740ZG, 4740Z, 4740G, and 4740, presents a versatile range of laptops that cater to both casual users and professionals seeking reliable performance. With an emphasis on a blend of functionality and affordability, these devices have garnered attention since their release.

One of the standout features of the Acer 4740 series is its sleek, compact design. The aesthetics appeal to a wide audience, making it suitable for various environments, whether in the office, classroom, or home. The laptop's lightweight build enhances portability, allowing users to carry it effortlessly.

The display of the 4740 models is another critical aspect. Featuring a 14-inch HD screen, these laptops provide vibrant colors and sharp visuals, suitable for multimedia consumption, presentations, or simple web browsing. The LED backlighting contributes to energy efficiency while enhancing overall viewing experiences.

In terms of performance, the Acer 4740 series is powered by Intel processors, which differ across models. The 4740ZG typically includes the more powerful graphics capabilities than its Z and basic G counterparts, catering to users who might engage in light gaming or graphic-intensive tasks. The incorporation of dedicated NVIDIA GeForce graphics in the 4740ZG lends added versatility for users requiring enhanced visual performance.

Memory and storage options are abundant, with configurations often ranging up to 4GB of RAM and various hard drive capacities. This adaptability allows users to choose a setup that best fits their computing needs, ensuring smooth multitasking and sufficient data storage.

Connectivity is robust in the 4740 series, incorporating multiple USB ports, HDMI outputs, and VGA options to facilitate a seamless connection to external devices. Additionally, Wi-Fi and Bluetooth capabilities keep users connected in a myriad of environments, further enhancing the device's usability.

Battery life is commendable, allowing for several hours of usage on a single charge, which is critical for users on the go. The Acer 4740 series strikes an admirable balance between performance and battery efficiency.

In conclusion, the Acer 4740ZG, 4740Z, 4740G, and 4740 models exemplify a thoughtful compilation of features conducive to diverse computing needs, pairing reliable performance with practical design. Their comprehensive characteristics make them an excellent choice for users seeking a dependable laptop experience.