Note – If the error is on low 1MB, the BIOS freezes after rebooting. Therefore, no DMI log is recorded.

■An example of the error reported by the SEL through IPMI 2.0 is as follows:

■When low memory is erroneous, the BIOS is frozen on pre-boot low memory test because the BIOS cannot decompress itself into faulty DRAM and execute the following items:

ipmitool> sel list

 

 

100

08/26/2005

11:36:09 OEM #0xfb

200

08/26/2005

11:36:12 System

Firmware Error No usable system memory

300

08/26/2005

11:36:12 Memory

Memory Device Disabled CPU 0 DIMM 0

 

 

 

 

 

 

■When the faulty DIMM is beyond the BIOS's low 1MB extraction space, proper boot happens:

ipmitool> sel list

100 08/26/2005 05:04:04 OEM #0xfb

200 08/26/2005 05:04:09 Memory Memory Device Disabled CPU 0 DIMM 0

■Note the following considerations for this revision:

■Uncorrectable ECC Memory Error is not reported.

■Multi-bit ECC errors are reported as Memory Device Disabled.

■On first reboot, BIOS logs a HyperTransport Error in the DMI log.

■The BIOS disables the DIMM.

■The BIOS sends the SEL records to the BMC.

■The BIOS reboots again.

■The BIOS skips the faulty DIMM on the next POST memory test.

■The BIOS reports available memory, excluding the faulty DIMM pair.

FIGURE D-1shows an example of a DMI log screen from BIOS Setup Page.

54 Sun Fire X4140, X4240, and X4440 Servers Diagnostics Guide • August 2008

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Sun Microsystems X4440, X4240, X4140 manual Ipmitool sel list
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X4140, X4440, X4240 specifications

Sun Microsystems was a prominent player in the computing industry, known for its innovative and powerful server systems. Among its notable offerings were the Sun Fire X4240, X4440, and X4140 servers, which made significant inroads in the market for high-performance computing solutions.

The Sun Fire X4240 server was designed to meet the demands of data-intensive applications. It offered impressive scalability, supporting up to 64 GB of DDR2 memory across its eight memory slots. This server utilized AMD Opteron processors, which provided excellent performance thanks to their multi-core architecture. The X4240 also featured a flexible I/O architecture, allowing for various configurations tailored to specific workload requirements.

Next in line was the Sun Fire X4440, which expanded on the capabilities of the X4240. This server was particularly valuable for virtualization and consolidation tasks. It featured up to 128 GB of memory and supported more CPU options, with dual- and quad-core Opteron processors available. The X4440 also included a high-density design that enabled increased storage capacity, accommodating up to 12 SFF drives. This made it ideal for databases and enterprise applications needing fast access to large volumes of data.

Finally, the Sun Fire X4140 brought a balance of performance and efficiency. Like its counterparts, it supported AMD's Opteron processors, delivering robust processing power. The X4140 was designed for environments where space and power efficiency were critical. It was notable for its compact form factor, which allowed organizations to pack more servers into less physical space without sacrificing performance. The server architecture included advanced thermal management technologies, ensuring optimal airflow and cooling, which contributed to reliability in demanding environments.

In terms of connectivity, all three servers featured multiple Gigabit Ethernet ports, offering redundant network connectivity essential for enterprise-level applications. The integrated management interfaces simplified server monitoring and maintenance, ensuring that IT administrators could efficiently manage their resources.

In summary, the Sun Fire X4240, X4440, and X4140 were pivotal servers from Sun Microsystems that provided robust performance, scalability, and efficiency. Their features made them suitable for a variety of workloads, from virtualization to data management, cementing their place in the server market during their era.
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