Post Codes

The following tables describe the POST codes and descriptions during the POST.

Table 4-1. POST Code Range

Phase

 

POST Code Range

SEC

0x01

- 0x0F

 

 

 

PEI

0x70

- 0x9F

 

 

 

DXE

0x40

- 0x6F

 

 

 

BDS

0x10

- 0x3F

 

 

SMM

0xA0 - 0xBF

 

 

S3

0xC0 - 0xCF

 

 

 

ASL

0x51

– 0x55

 

0xE1 – 0xE4

 

 

PostBDS

0xF9 – 0xFE

 

 

InsydeH2ODDT™ Reserve

0xD0 – 0xD7

 

 

OEM Reserve

0xE8 – 0xEB

 

 

Reserved

0xD8 – 0xE0

 

0xE5 – 0xE7

 

0xEC – 0xF8

 

 

 

Table 4-2. SEC Phase POST Code Table

Functionality Name

Phase

Post

Description

(Include\ PostCode.h)

Code

 

 

SEC_SYSTEM_POWER_ON

SEC

01

CPU power on and switch to

 

 

 

Protected mode

 

 

 

 

SEC_BEFORE_MICROCODE_PATCH

SEC

02

Patching CPU microcode

 

 

 

 

SEC_AFTER_MICROCODE_PATCH

SEC

03

Setup Cache as RAM

 

 

 

 

SEC_ACCESS_CSR*

SEC

04

PCIE MMIO Base Address initial

 

 

 

 

SEC_GENERIC_MSRINIT*

SEC

05

CPU Generic MSR initialization

 

 

 

 

SEC_CPU_SPEEDCFG*

SEC

06

Setup CPU speed

 

 

 

 

SEC_SETUP_CAR_OK

SEC

07

Cache as RAM test

 

 

 

 

SEC_FORCE_MAX_RATIO*

SEC

08

Tune CPU frequency ratio to

 

 

 

maximum level

 

 

 

 

SEC_GO_TO_SECSTARTUP

SEC

09

Setup BIOS ROM cache

 

 

 

 

SEC_GO_TO_PEICORE

SEC

0A

Enter Boot Firmware Volume

 

 

 

 

4-20

Troubleshooting

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Acer 522 manual Post Codes, Post Code Range Phase
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522 specifications

The Acer 522 is an impressive entry in the world of laptops, catering to users seeking a balance of performance, portability, and affordability. Leveraging cutting-edge technologies, this model is designed to meet the demands of both students and professionals alike.

At the heart of the Acer 522 lies a powerful processor that ensures seamless multitasking capabilities. Whether handling demanding applications, streaming high-definition content, or running resource-intensive software, the robust performance of the CPU makes it a reliable choice for all users. Coupled with substantial RAM options, the device excels in providing smooth performance without lag, allowing users to work effectively on various tasks simultaneously.

One of the standout features of the Acer 522 is its display. With a vibrant and sharp screen, users can enjoy crisp visuals, making it ideal for watching movies, browsing the web, or editing photos and videos. The display technology utilized in the Acer 522 offers wide viewing angles and accurate color reproduction, further enhancing the overall user experience.

Portability is another key characteristic of the Acer 522. Weighing in at a lightweight design, this laptop is easy to carry around, making it perfect for individuals who are constantly on the move. Additionally, the laptop boasts an impressive battery life, which enables extended usage without the need for frequent recharging. This feature is particularly valuable for students attending classes or professionals working remotely.

Connectivity options on the Acer 522 are comprehensive, including USB Type-C ports, USB 3.0 ports, HDMI output, and a headphone jack, allowing users to connect a wide range of peripherals. Furthermore, the inclusion of Wi-Fi 6 technology ensures faster, more reliable internet connectivity, making it easier to stay connected in today’s fast-paced digital world.

Security features, such as biometric authentication or a fingerprint reader, may also be integrated into the design, ensuring that user data remains protected while maintaining convenience.

In summary, the Acer 522 combines powerful performance, exceptional display quality, portability, and a range of connectivity options, making it a versatile and appealing choice for both casual users and professionals. Whether for work, study, or entertainment, the Acer 522 stands out as a laptop designed to meet the needs of a diverse user base.
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