Appendix B: Award BIOS POST Codes

 

 

 

 

 

 

POST (hex)

 

Description

 

 

 

 

 

80h

Reserved

 

 

81h

Reserved

 

 

82h

1.

Call chipset power management hook.

 

 

 

2.

Recover the text font used by EPA logo (not for full screen logo)

 

 

 

3.

If password is set, ask for password.

 

 

83h

Save all data in stack back to CMOS

 

 

84h

Initialize ISA PnP boot devices

 

 

85h

1.

USB final Initialization

 

 

 

2.

NET PC: Build SYSID structure

 

 

 

3.

Switch screen back to text mode

 

 

 

4.

Set up ACPI table at top of memory.

 

 

 

5.

Invoke ISA adapter ROMs

 

 

 

6.

Assign IRQs to PCI devices

 

 

 

7.

Initialize APM

 

 

 

8.

Clear noise of IRQs.

 

 

86h

Reserved

 

 

87h

Reserved

 

 

88h

Reserved

 

 

89h

Reserved

 

 

90h

Reserved

 

 

91h

Reserved

 

 

92h

Reserved

 

 

93h

Read HDD boot sector information for Trend Anti-Virus code

 

 

94h

1.

Enable L2 cache

 

 

 

2.

Program boot up speed

 

 

 

3.

Chipset final initialization.

 

 

 

4.

Power management final initialization

 

 

 

5.

Clear screen & display summary table

 

 

 

6.

Program K6 write allocation

 

 

 

7.

Program P6 class write combining

 

 

95h

1.

Program daylight saving

 

 

 

2.

Update keyboard LED & typematic rate

 

 

96h

1.

Build MP table

 

 

 

2.

Build & update ESCD

 

 

 

3.

Set CMOS century to 20h or 19h

 

 

 

4.

Load CMOS time into DOS timer tick

 

 

 

5.

Build MSIRQ routing table.

 

 

FFh

Boot attempt (INT 19h)

 

 

 

 

 

 

B-5

Page 75
Image 75
SUPER MICRO Computer P4SCT+II user manual Appendix B Award Bios Post Codes

P4SCT+, P4SCT, P4SCT+II specifications

SUPER MICRO Computer has established a prominent reputation in the realm of high-performance computing solutions, and its line of motherboards, including the P4SCT+II, P4SCT, and P4SCT+, stands as a testament to their commitment to quality and innovation. These motherboards are designed primarily for Intel Pentium 4 processors, embodying the P4 chipset architecture that enhances reliability and performance in computing tasks.

One of the significant features of the P4SCT+II is its support for dual-channel DDR SDRAM. This allows for increased memory bandwidth, which is crucial for demanding applications requiring rapid data processing. With a maximum memory capacity of 4GB, users can expect consistent performance even under heavy workloads. Moreover, these motherboards come equipped with a variety of PCI slots, including PCI Express, allowing for the addition of high-speed graphics cards, RAID controllers, and other expansion options that cater to specific user needs.

The P4SCT+II distinguishes itself with integrated features like the 10/100 Ethernet controller, which ensures seamless connectivity for networking applications. Additionally, the inclusion of several SATA ports facilitates fast data transfer rates for storage solutions, significantly boosting overall system performance. The motherboards also support IDE drives, ensuring versatility for users who prefer traditional storage solutions.

Power efficiency is another hallmark of SUPER MICRO's designs. The P4SCT+II, P4SCT, and P4SCT+ utilize an advanced power management system, optimizing power consumption without compromising performance. This approach not only enhances the longevity of the components but also contributes to eco-friendly computing practices.

From a thermal management perspective, these motherboards are engineered with robust cooling solutions. They provide ample fan headers and locations for passive heatsinks to maintain optimal operating temperatures. This feature is crucial for users who push their systems to the limit, whether for gaming, multitasking, or running resource-intensive applications.

In summary, the SUPER MICRO Computer P4SCT+II, P4SCT, and P4SCT+ motherboards exemplify a blend of advanced technology and practicality. With support for dual-channel DDR SDRAM, versatile PCI slots, integrated networking capabilities, and efficient power management, they cater to both professional and personal computing environments. These motherboards are ideal for anyone seeking high reliability and performance in their computing endeavors, making them a valuable investment in the world of technology.