Appendix B: BIOS POST Codes

 

 

 

 

POST Code

Description

5Ch

Test RAM between 512 and 640 kB

60h

Test extended memory

62h

Test extended memory address lines

64h

Jump to UserPatch1

66h

Configure advanced cache registers

67h

Initialize Multi Processor APIC

68h

Enable external and CPU caches

69h

Setup System Management Mode (SMM) area

6Ah

Display external L2 cache size

6Bh

Load custom defaults (optional)

6Ch

Display shadow-area message

70h

Display error messages

72h

Check for configuration errors

76h

Check for keyboard errors

7Ch

Set up hardware interrupt vectors

7Dh

Initialize Intelligent System Monitoring (optional)

7Eh

Initialize coprocessor if present

80h

Disable onboard Super I/O ports and IRQs (optional)

81h

Late POST device initialization

82h

Detect and install external RS232 ports

83h

Configure non-MCD IDE controllers

84h

Detect and install external parallel ports

85h

Initialize PC-compatible PnP ISA devices

86h

Re-initialize onboard I/O ports.

87h

Configure Motherboard Configurable Devices

 

(optional)

88h

Initialize BIOS Data Area

89h

Enable Non-Maskable Interrupts (NMIs)

8Ah

Initialize Extended BIOS Data Area

8Bh

Test and initialize PS/2 mouse

8Ch

Initialize floppy controller

8Fh

Determine number of ATA drives (optional)

90h

Initialize hard-disk controllers

91h

Initialize local-bus hard-disk controllers

92h

Jump to UserPatch2

93h

Build MPTABLE for multi-processor boards

95h

Install CD ROM for boot

96h

Clear huge ES segment register

97h

Fix up Multi Processor table

98h

1-2 Search for option ROMs and shadow if successful. One

 

long, two short beeps on checksum failure

B-3

Page 93
Image 93
SUPER MICRO Computer X7DB8, X7DBE user manual Post Code Description

X7DB8, X7DBE specifications

Super Micro Computer, a global leader in high-performance server and storage solutions, has developed a range of advanced server motherboards, among which the X7DBE and X7DB8 stand out for their robust performance and versatility. Designed for data-intensive applications, these motherboards cater to various markets, including cloud computing, enterprise data centers, and video surveillance.

The X7DBE motherboards are built on the Intel 5000 series chipset and support dual Intel Xeon processors, which provide exceptional processing power for demanding applications. With a maximum memory capacity of 64GB, these motherboards cater to memory-intensive workloads, making them ideal for virtualization and database applications. The X7DBE supports both ECC (Error-Correcting Code) and non-ECC memory, enhancing system reliability and data integrity.

In terms of storage, the X7DBE is equipped with multiple 3.5-inch SATA hard drive bays that allow for substantial data storage capabilities. Additionally, it includes integrated RAID support, enabling users to configure their storage environment for optimal performance and redundancy. The advanced thermal management technology ensures efficient cooling, promoting system stability and longevity even under heavy workloads.

The X7DB8, on the other hand, takes performance a notch higher by providing support for the latest Intel processors and offering enhanced features geared toward high-performance computing. Like the X7DBE, it supports dual processors but extends capability for larger memory configurations, allowing up to 128GB of DDR2 memory. This flexibility makes the X7DB8 an excellent choice for mission-critical applications requiring immense processing power.

Both motherboards come equipped with multiple PCI Express slots, enabling the installation of add-on cards for tasks such as enhanced graphics, additional network interfaces, or dedicated storage controllers, thus providing scalability to meet the growing demands of modern applications. Network connectivity is robust, with several Gigabit Ethernet ports ensuring high-speed data transfer.

In conclusion, Super Micro's X7DBE and X7DB8 motherboards exemplify the perfect blend of performance, scalability, and reliability. With their support for advanced technologies and their ability to handle high workloads, they are ideal solutions for businesses seeking to optimize their server infrastructure. As technology continues to evolve, these motherboards remain pertinent, providing a solid foundation for various applications and future advancements.