4.Unscrew the fansink from the system board and carefully lift it off. The processor will come with it, attached to the bottom by thermal grease.

5.To remove the fansink from the processor, remove the assembly from the system board, and twist the processor to break the seal formed by the thermal grease and remove.

System board

To remove the system board, do the following:

1.Turn off the computer and peripheral devices and disconnect all external cables and power cords; then, remove the cover. See “Removing the cover” on

page 19.

2.Remove the retention bar and riser card. See “Removing the retention bar and PCI riser card” on page 33.

3.Remove the drive tray. See “Installing a drive in the disk drive tray” on page 26.

4.Disconnect all wires connected to the system board.

5.Remove the fansink and processor. See “Replacing a microprocessor” on page 33.

6.Remove the 4 screws that attach the system board to the chassis.

7.Lift out the system board.

Power supply

To remove the power supply, do the following:

1.Turn off the computer and peripheral devices and disconnect all external cables and power cords; then, remove the cover. See “Removing the cover” on

page 19.

34Hardware Maintenance Manual

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IBM 8319, 6826, 8317, 8318 manual System board, Power supply
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8318, 8317, 6826, 8319 specifications

The IBM 6826, 8318, 8319, and 8317 are part of IBM's storied history in producing innovative computing systems, particularly in the context of enterprise solutions. These models represent a significant evolution in technology, showcasing IBM's commitment to high-performance computing, reliability, and scalability.

The IBM 6826, often recognized for its role in the midrange marketplace, provided businesses with powerful processing capabilities at a relatively affordable price. It was engineered to handle various workloads, from basic transaction processing to more complex applications. One of its key features was its ability to support multiple users simultaneously, making it suitable for medium-sized businesses that required robust computing power without the cost of larger mainframe systems.

Transitioning to the 8318, this model became notable for its advanced server capabilities, integrating improved processing power and memory options. The 8318 was instrumental in supporting critical business applications and offered enhanced reliability. Additionally, it featured new management interfaces that allowed for easier monitoring and maintenance of software and hardware components, which was especially valuable for enterprise environments.

The IBM 8319, a further enhancement, improved scalability and introduced cutting-edge technologies aimed at maximizing performance. This model allowed businesses to scale resources according to demand, making it particularly beneficial during peak operational periods. The 8319 was designed with built-in redundancy features, thereby minimizing downtime and ensuring continuous operations—a vital aspect in today's fast-paced business ecosystem.

Finally, the IBM 8317 served as a versatile solution that catered to various computing needs. It combined the strengths of its predecessors, delivering superior processing speed and excellent storage options. The 8317 was also equipped with advanced networking capabilities, supporting seamless integration within increasingly complex IT infrastructures.

Collectively, these IBM models underscore the company's dedication to technological progression tailored for enterprise requirements. They utilized multiple processing architectures, advanced memory management systems, and user-friendly administration tools, all contributing to their reputation as reliable and efficient computing solutions. As such, they played a critical role in not just shaping IBM’s product lineage but also in influencing the wider landscape of enterprise computing technology.
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