Intel® Server Board SE7501WV2 TPS

BIOS

•User binary code must be relocatable. It will be located within the first Megabyte. The user binary code should not make any assumptions about the value of the code segment.

•User binary code will always be executed from RAM and never from flash.

•The code in user binary should not hook critical interrupts, should not reprogram the chipset and should not take any action that affects the correct functioning of the system BIOS.

The BIOS copies the user binary into system memory before the first scan point. If the user binary reports that it does not contain runtime code, it is located in conventional memory (0 - 640 KB).

Reporting that the user binary is POST has only the advantage that it does not use up limited option ROM space, and more option ROMs can be fitted. If user binary code is required at run- time, it is copied to option ROM space. At each scan-point during POST, the system BIOS determines if this scan-point has a corresponding user binary entry point to which it transfers control.

To determine this, the bitmap at byte 4 of the header is tested against the current mask bit that has been determined / defined by the scan point. If the bitmap has the appropriate bit set, the mask is placed in AL and execution is passed to the address computed by (ADR(Byte 5)+5*scan sequence #).

During execution, the user binary may access 11 bytes of Extended BIOS Data Area RAM (EBDA). The segment of the EBDA can be found at address 40:0e. Offset 18 to offset 21h is available for the user binary. The BIOS also reserves eight CMOS bits for the user binary. These bits are in a non-checksummed region of CMOS with default values of zero, and will always be located in the first bank of CMOS. These bits are contiguous, but are not in a fixed location. Upon entry into the user binary, DX contains a ‘token’ that points to the reserved bits.

This token has the following format:

MSB

 

 

 

 

 

 

 

 

 

 

 

LSB

15

 

 

 

12

11

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

# of bits

 

Bit offset from start of CMOS of first bit

 

available –1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The most significant 4 bits are equal to the number of CMOS bits available, minus 1. This field is equal to 7 since 8 CMOS bits are available. The 12 least significant bits define the position of the CMOS bit in RTC. This is a bit address, not a byte address. The CMOS byte location is 1/8th of the 12-bit number, and the remainder is the starting bit position within that byte. For example, if the 12-bit number is 0109h, user binary can use bit 1 of CMOS byte 0108h/8 or 021h.

Revision 1.0

133

 

Intel reference number C25653-001

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Intel SE7501WV2 manual Revision 133 Intel reference number C25653-001
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SE7501WV2 specifications

The Intel SE7501WV2 is a versatile server motherboard designed to meet the demanding needs of modern computing environments. Engineered with a focus on performance, reliability, and flexibility, this motherboard is tailored for a range of applications, from entry-level servers to high-performance computing tasks.

One of the main features of the SE7501WV2 is its support for Intel's Xeon processors, specifically those based on the Netburst architecture. This compatibility allows for powerful multi-threaded processing capabilities, making it ideal for businesses seeking to optimize their server performance. The motherboard supports dual CPU configurations, enabling up to two processors to work simultaneously, thereby increasing computational power and efficiency.

The motherboard incorporates Intel's advanced server management technologies such as Intel Active Monitoring Technology, which helps in monitoring system health and optimizing power usage. Additionally, it features Intel's I/O Acceleration Technology, which enhances data throughput and reduces latencies, ensuring that applications run smoothly and efficiently.

Another significant characteristic of the SE7501WV2 is the memory capacity it offers. With support for up to 16 GB of ECC (Error-Correcting Code) DDR SDRAM, the motherboard helps in maintaining system stability during high workloads. The ECC memory not only prevents data corruption but also significantly enhances the reliability of mission-critical applications.

For connectivity, the SE7501WV2 comes equipped with multiple PCI-X slots, enabling the addition of various expansion cards for network, storage, and graphic capabilities. This expandability is crucial for enterprises that need to adapt their server architecture to evolving workloads.

Moreover, the SE7501WV2 features integrated high-performance RAID support, improving data redundancy and performance. This feature is essential for organizations that prioritize data security and require robust backup solutions.

In terms of power management, the motherboard supports advanced power features that help reduce operational costs while maximizing performance. The design ensures efficient power consumption, allowing it to run cooler and quieter, which is particularly beneficial for noisy data center environments.

In conclusion, the Intel SE7501WV2 motherboard is designed for those who require robust performance, reliability, and flexibility in server applications. With its support for dual Xeon processors, extensive memory capabilities, advanced management technologies, and expandability, it stands out as a solid solution for many enterprise-level computing needs.
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