Appendix A: BIOS POST Messages

Parity Check 2 nnnn

Parity error found in the I/O bus. BIOS attempts to locate the address and display it on the screen. If it cannot locate the address, it displays ????.

Press <F1> to resume, <F2> to Setup, <F3> for previous

Displayed after any recoverable error message. Press <F1> to start the boot process or <F2> to enter Setup and change the settings. Press <F3> to display the previous screen (usually an initialization error of an Option ROM, i.e., an add-on card). Write down and follow the information shown on the screen.

Press <F2> to enter Setup

Optional message displayed during POST. Can be turned off in Setup.

PS/2 Mouse:

PS/2 mouse identifi ed.

Run the I2O Configuration Utility

One or more unclaimed block storage devices have the Confi guration Request bit set in the LCT. Run an I2O Confi guration Utility (e.g. the SAC utility).

System BIOS shadowed

System BIOS copied to shadow RAM.

UMB upper limit segment address: nnnn

Displays the address nnnn of the upper limit of Upper Memory Blocks, indicat- ing released segments of the BIOS which can be reclaimed by a virtual memory manager.

Video BIOS shadowed

Video BIOS successfully copied to shadow RAM.

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SUPER MICRO Computer X7DBT Parity Check 2 nnnn, Press F1 to resume, F2 to Setup, F3 for previous, Press F2 to enter Setup

X7DBT, X7DBT-INF, XDGT, X7DGT-INF specifications

Super Micro Computer, a leader in high-performance computing solutions, offers a diverse range of server motherboards tailored for various business needs. Among these, the Supermicro X7DGT-INF, X7DGT, X7DBT-INF, and X7DBT stand out for their robust architectures and advanced features.

The Supermicro X7DGT-INF motherboard is designed for dual processor systems utilizing Intel's Xeon processors. It supports up to 64GB of DDR2 memory, providing significant flexibility for memory-intensive applications. The X7DGT-INF features six SATA ports, enabling efficient data storage solutions with RAID configurations. Additionally, it offers integrated IPMI (Intelligent Platform Management Interface) functionality, which allows remote management of the motherboard, enhancing system uptime and reliability.

The X7DGT shares many features with the INF model but enhances connectivity options with PCI Express slots, making it ideal for virtualization and embedded applications. This dual-CPU motherboard allows for up to 128GB of memory, catering to businesses that require high computational power and substantial memory bandwidth, particularly for tasks such as data analysis and enterprise resource planning.

Meanwhile, the Supermicro X7DBT-INF is notable for its dual-broadband capabilities, which facilitate high throughput for networking tasks. Like its siblings, it supports Intel Xeon processors and DDR2 memory but goes a step further with onboard dual Gigabit Ethernet and a dedicated IPMI controller. Its design emphasizes optimal thermal management, ensuring that power-hungry applications remain stable under heavy workloads.

The X7DBT also supports dual processors and provides a robust memory architecture. It is engineered for high-performance computing environments. Featuring multiple PCI Express slots, this motherboard is ideal for applications such as cluster computing and high-frequency trading where low latency and high-speed networking are essential.

Overall, the Supermicro X7DGT-INF, X7DGT, X7DBT-INF, and X7DBT motherboards epitomize reliability and performance. Their compatibility with Intel’s Xeon processors, extensive memory options, and advanced connectivity features make them superb choices for enterprise-level applications, data centers, and research institutions that demand uncompromising performance and efficiency in their computing solutions.