Checkpoint

Description

 

 

 

 

DA

Restore CPUID value back into register. Give control to BIOS POST

 

 

(ExecutePOSTKernel). See POST Code Checkpoints section of document for more

 

 

information.

 

 

 

 

DC

System is waking from ACPI S3 state

 

 

 

 

E1-E8 EC-EE

OEM memory detection/configuration error. This range is reserved for chipset vendors &

 

 

system manufacturers. The error associated with this value may be different from one

 

 

platform to the next.

 

 

 

Bootblock Recovery Code Checkpoints

 

Checkpoint

Description

 

 

 

 

E0

Initialize the floppy controller in the super I/O. Some interrupt vectors are initialized. DMA

 

 

controller is initialized. 8259 interrupt controller is initialized. L1 cache is enabled.

 

 

 

 

E9

Set up floppy controller and data. Attempt to read from floppy.

 

 

 

 

EA

Enable ATAPI hardware. Attempt to read from ARMD and ATAPI CDROM.

 

 

 

 

EB

Disable ATAPI hardware. Jump back to checkpoint E9.

 

 

 

 

EF

Read error occurred on media. Jump back to checkpoint EB.

 

 

 

 

F0

Search for pre-defined recovery file name in root directory.

 

 

 

 

F1

Recovery file not found.

 

 

 

 

F2

Start reading FAT table and analyze FAT to find the clusters occupied by the recovery file.

 

 

 

 

F3

Start reading the recovery file cluster by cluster.

 

 

 

 

F5

Disable L1 cache.

 

 

 

 

FA

Check the validity of the recovery file configuration to the current configuration of the flash

 

 

part.

 

 

 

 

FB

Make flash write enabled through chipset and OEM specific method. Detect proper flash

 

 

part. Verify that the found flash part size equals the recovery file size.

 

 

 

 

F4

The recovery file size does not equal the found flash part size.

 

 

 

 

FC

Erase the flash part

 

 

 

 

FD

Program the flash part.

 

 

 

 

FF

The flash has been updated successfully. Make flash write disabled. Disable ATAPI

 

 

hardware. Restore CPUID value back into register. Give control to F000 ROM at

 

 

F000:FFF0h.

 

 

 

POST Code Checkpoints

 

 

 

 

Checkpoint

Description

 

 

 

03Disable NMI, Parity, video for EGA, and DMA controllers. Initialize BIOS, POST, Runtime data area. Also initialize BIOS modules on POST entry and GPNV area. Initialized CMOS as mentioned in the Kernel Variable "wCMOSFlags."

Chapter 4

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Acer M5802(G) manual Bootblock Recovery Code Checkpoints, E1-E8 EC-EE

M5802(G) specifications

The Acer M5802(G) is a versatile desktop computer designed to meet the demands of both home users and professionals. It showcases a blend of power, performance, and modern features that make it a competitive choice in the mid-range desktop market.

At the heart of the Acer M5802(G) lies a robust Intel processor, typically from the Core i5 or i7 range, ensuring responsiveness and efficiency in handling various tasks, from everyday computing to more intensive workloads. The multi-core architecture allows users to run multiple applications simultaneously without significant performance drops, making it ideal for multitaskers.

One of the standout features of the M5802(G) is its ample storage options. It generally comes equipped with a sizeable hard drive or SSD configuration, which not only provides plenty of space for files, applications, and media but also enhances boot and loading times. The option for SSD storage significantly improves system performance, allowing for quick access to programs and files.

Graphics capabilities are also well addressed in the Acer M5802(G). Depending on the specific configuration, it can come with integrated Intel HD graphics or an optional dedicated graphics card from AMD or NVIDIA. This makes it suitable for casual gaming, video editing, and graphic design, offering users the flexibility to engage in creative and entertainment activities.

Connectivity is a key feature of the Acer M5802(G). It is typically equipped with various USB ports, including USB 3.0 for faster data transfer, HDMI, and Ethernet ports. This enables easy connection to a variety of external devices such as printers, external storage, and monitors, enhancing the overall usability of the system.

In terms of design, the Acer M5802(G) boasts a sleek and modern chassis, making it a visually appealing addition to any workspace. The compact form factor ensures that it does not occupy excessive desk space while still housing powerful components.

In summary, the Acer M5802(G) stands out with its powerful Intel processor, generous storage options, decent graphics capabilities, and excellent connectivity options. This combination makes it an excellent choice for users looking for a dependable and robust desktop computer capable of handling diverse tasks efficiently. Whether for productivity or entertainment, the M5802(G) delivers exceptional performance in a stylish package.