Appendix B: AwardBIOS POST Codes

POST (hex)

Description

 

 

2Dh

1. Initialize multi-language

 

2. Put information on screen display, including Award title, CPU type, CPU

 

speed ….

2Eh

Reserved

2Fh

Reserved

30h

Reserved

31h

Reserved

32h

Reserved

33h

Reset keyboard except Winbond 977 series Super I/O chips.

34h

Reserved

35h

Reserved

36h

Reserved

37h

Reserved

38h

Reserved

39h

Reserved

3Ah

Reserved

3Bh

Reserved

3Ch

Test 8254

3Dh

Reserved

3Eh

Test 8259 interrupt mask bits for channel 1.

3Fh

Reserved

40h

Test 8259 interrupt mask bits for channel 2.

41h

Reserved

42h

Reserved

43h

Test 8259 functionality.

44h

Reserved

45h

Reserved

46h

Reserved

47h

Initialize EISA slot

48h

Reserved

49h

1. Calculate total memory by testing the last double word of each 64K page.

 

2. Program writes allocation for AMD K5 CPU.

4Ah

Reserved

4Bh

Reserved

4Ch

Reserved

4Dh

Reserved

4Eh

1. Program MTRR of M1 CPU

 

2. Initialize L2 cache for P6 class CPU & program CPU with proper cacheable

 

range.

 

3. Initialize the APIC for P6 class CPU.

 

4. On MP platform, adjust the cacheable range to smaller one in case the

 

cacheable ranges between each CPU are not identical.

4Fh

Reserved

50h

Initialize USB

51h

Reserved

52h

Test all memory (clear all extended memory to 0)

53h

Reserved

54h

Reserved

55h

Display number of processors (multi-processor platform)

56h

Reserved

57h

1. Display PnP logo

 

2. Early ISA PnP initialization

 

-Assign CSN to every ISA PnP device.

 

 

B-3

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SUPER MICRO Computer SUPER, P3TDDR user manual Appendix B AwardBIOS Post Codes

SUPER, P3TDDR specifications

Super Micro Computer has established a prominent position in the realm of high-performance computing solutions, and one of its remarkable offerings is the P3TDDR motherboard. Designed for advanced workstations and servers, the P3TDDR marries powerful performance with flexibility and scalability, making it an ideal choice for demanding applications.

At the heart of the P3TDDR is its capacity to support Intel Pentium 4 processors, leveraging the rich features of the P4 architecture to deliver exceptional computing performance. The motherboard supports a substantial amount of DDR SDRAM, enabling faster data access and improved overall system performance. The incorporation of multiple DIMM slots allows users to configure the system with varying memory sizes, tailoring the setup to specific workload requirements.

One of the standout features of the P3TDDR is its support for RAID (Redundant Array of Independent Disks) configurations, which enhances data redundancy and performance. This makes the P3TDDR an excellent choice for applications that require continuous data availability, such as database management and large-scale data processing.

Additionally, the motherboard is equipped with multiple PCI slots, providing increased connectivity options for expansion cards, such as graphics, sound, and network cards. This versatility allows users to customize their systems to meet their unique needs, whether for gaming, graphic design, or enterprise-level applications.

From a technological perspective, the P3TDDR embraces an array of integrated features. The board includes onboard Ethernet capabilities that facilitate seamless network connectivity, which is crucial for server environments and enterprise applications. Furthermore, the use of high-quality capacitors and components ensures reliability and longevity in demanding operations.

Thermal management is another critical aspect, as the design includes strategically placed heatsinks and spaces for additional cooling solutions, ensuring that the system remains stable under heavy workloads. This attention to thermal efficiency enhances the overall performance and lifespan of the components.

In summary, the Super Micro P3TDDR motherboard stands out due to its robust features, advanced technologies, and adaptability. It caters to a wide range of applications, whether for professional use in data centers or for performance-oriented tasks in personal and gaming workstations. With its powerful chipset and thoughtful engineering, the P3TDDR is a reliable foundation for building high-performance computing systems.