X6DVA-4G/X6DVA-EG User’s Manual

Checkpoint

Code Description

25h

Interrupt vector initialization is done. Clearing the password if the

 

POST DIAG switch is on.

27h

Any initialization before setting video mode will be done next.

28h

Initialization before setting the video mode is complete. Configuring

 

the monochrome mode and color mode settings next.

2Ah

Bus initialization system, static, output devices will be done next, if

 

present. See the last page for additional information.

2Eh

Completed post-video ROM test processing. If the EGA/VGA

 

controller is not found, performing the display memory read/write

 

test next.

2Fh

The EGA/VGA controller was not found. The display memory read/

 

write test is about to begin.

30h

The display memory read/write test passed. Look for retrace

 

checking next.

31h

The display memory read/write test or retrace checking failed.

 

Performing the alternate display memory read/write test next.

32h

The alternate display memory read/write test passed. Looking for

 

alternate display retrace checking next.

34h

Video display checking is over. Setting the display mode next.

37h

The display mode is set. Displaying the power on message next.

38h

Initializing the bus input, IPL, general devices next, if present. See the

 

last page of this chapter for additional information.

39h

Displaying bus initialization error messages. See the last page of this

 

chapter for additional information.

3Ah

The new cursor position has been read and saved. Displaying the

 

Hit <DEL> message next.

3Bh

The Hit <DEL> message is displayed. The protected mode memory

 

test is about to start.

40h

Preparing the descriptor tables next.

42h

The descriptor tables are prepared. Entering protected mode for the

 

memory test next.

43h

Entered protected mode. Enabling interrupts for diagnostics mode

 

next.

44h

Interrupts enabled if the diagnostics switch is on. Initializing data to

 

check memory wraparound at 0:0 next.

45h

Data initialized. Checking for memory wraparound at 0:0 and finding

 

the total system memory size next.

46h

The memory wraparound test is done. Memory size calculation has

 

been done. Writing patterns to test memory next.

47h

The memory pattern has been written to extended memory. Writing

 

patterns to the base 640 KB memory next.

B-4

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American Megatrends X6DVA-4G, X6DVA-EG user manual Monochrome mode and color mode settings next

X6DVA-EG, X6DVA-4G specifications

American Megatrends is renowned for its innovative server and motherboard solutions. The X6DVA-4G and X6DVA-EG motherboards are notable examples that cater to enterprise-level applications and high-performance computing environments. Both motherboards are designed to support the latest advancements in technology while providing robust features for reliable performance.

The X6DVA-4G is an ATX motherboard that boasts dual Socket 604 configurations, allowing it to support dual Intel Xeon processors. This dual-processor setup significantly enhances computing power, making it suitable for resource-intensive applications, such as virtualization, high-performance computing, and database management. Its support for up to 64GB of DDR2 ECC memory ensures data integrity and stability during critical operations, providing an additional layer of reliability that is crucial for enterprise environments.

On the other hand, the X6DVA-EG offers similar capabilities while integrating different feature sets that cater to specific needs. Both boards support PCI-X and PCIe expansion slots, which allow for flexible hardware configurations. This expandability is vital in businesses where evolving technology demands can lead to the need for additional peripherals and components.

A standout feature of these motherboards is their comprehensive support for RAID configurations, including RAID 0, 1, 10, and 5. This functionality enhances data security and recovery, ensuring that critical information remains intact in the event of hardware failure. Additionally, both motherboards come equipped with multiple SATA interfaces for robust storage options, which are essential for handling large volumes of data.

Furthermore, Intel's Xeon processors, paired with the X6DVA series motherboards, enable advanced thermal management and power efficiency features. This is essential not only for maintaining optimal performance but also for reducing operational costs in data centers.

In conclusion, American Megatrends' X6DVA-4G and X6DVA-EG motherboards maintain the company's reputation for quality and reliability in high-performance computing solutions. With their dual-processor capabilities, extensive memory support, RAID functionality, and flexibility for expansion, these motherboards are exceptional choices for businesses looking to enhance their computing infrastructure. Their combination of performance, efficiency, and reliability makes them integral components for modern server solutions.