American Megatrends X6DVA-EG, X6DVA-4G instruction

	Appendix B: BIOS POST Checkpoint Codes

	initialization before the keyboard BAT command is issued.
0Ch	The keyboard controller input buffer is free. Next, issuing the BAT
	command to the keyboard controller.
0Eh	The keyboard controller BAT command result has been verified.
	Next, performing any necessary initialization after the keyboard
	controller BAT command test.
0Fh	The initialization after the keyboard controller BAT command test is
	done. The keyboard command byte is written next.
10h	The keyboard controller command byte is written. Next, issuing the
	Pin 23 and 24 blocking and unblocking command.
11h	Next, checking if <End or <Ins> keys were pressed during power on.
	Initializing CMOS RAM if the Initialize CMOS RAM in every boot
	AMIBIOS POST option was set in AMIBCP or the <End> key was
	pressed.
12h	Next, disabling DMA controllers 1 and 2 and interrupt controllers 1 and
	2.
13h	The video display has been disabled. Port B has been initialized. Next,
	initializing the chipset.
14h	The 8254 timer test will begin next.
19h	The 8254 timer test is over. Starting the memory refresh test next.
1Ah	The memory refresh line is toggling. Checking the 15 second on/off
	time next.
2Bh	Passing control to the video ROM to perform any required configu-
	ration before the video ROM test.
2Ch	All necessary processing before passing control to the video ROM
	is done. Looking for the video ROM next and passing control to it.
2Dh	The video ROM has returned control to BIOS POST. Performing any
	required processing after the video ROM had control.
23h	Reading the 8042 input port and disabling the MEGAKEY Green
	PC feature next. Making the BIOS code segment writable and
	performing any necessary configuration before initializing the
	interrupt vectors.
24h	The configuration required before interrupt vector initialization
	has completed. Interrupt vector initialization is about to begin.

B-3

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.

The video ROM has returned control to BIOS POST. Performing any

X6DVA-EG, X6DVA-4G specifications