IBM 40H6618 Board Planarfor Cpu Memory 40H6621 I/o 7024 E20 E30 RS6000

( Brand: Ibm ), ( Manufacturer Part Number: 40H6618 ), ( Part Type: Memory Board System )

Review IBM System Board I/o Planarfor E20 E30 Cpu And Memory

The IBM 40H6618 and 40H6621 boards are crucial components of the IBM RS/6000 and RS/6000 E series servers, designed specifically for use with the 7024-E20 and 7024-E30 PowerPC 601 and 604 CPUs, as well as the IBM 4MB and 16MB ECC SDRAM memory modules.

The IBM 40H6618 I/O Planar board is a high-performance input/output expansion board, offering a versatile range of interfaces to connect various peripherals and devices to the RS/6000 server. This board features two full-length, half-height, half-length (FHHHL) expansion slots, designed to accommodate a wide range of PCI and other industry-standard expansion cards. Each slot supports data transfer rates of up to 33MHz and offers advanced features such as 32-bit data bus width and 32-bit address bus.

Moreover, the 40H6618 board supports multiple interface options, including two Small Computer System Interface (SCSI) channels, each with a maximum transfer rate of 10MB/s. This allows for the connection of various storage devices such as hard disks, tape drives, and CD-ROMs. Additionally, the board features two Ethernet ports, enabling high-speed networking capabilities and connectivity to local and wide area networks.

The IBM 40H6621 Memory Expansion board, on the other hand, is designed to increase the overall memory capacity of the server. This board accommodates up to four IBM 4MB or 16MB ECC SDRAM memory modules, which can be installed in the available slots. The board itself features a 64-bit data bus width and a 24-bit address bus, ensuring efficient and effective data transfer between the CPU and memory.

Both the IBM 40H6618 and 40H6621 boards are designed with a robust, planar layout, allowing for efficient signal routing and reduced signal interference. This results in improved system performance and stability. Furthermore, these boards are backed by IBM's industry-leading support and compatibility guarantees, ensuring a seamless integration into your RS/6000 server infrastructure.

In summary, the IBM 40H6618 and 40H6621 boards offer essential expansion capabilities to the IBM RS/6000 and RS/6000 E series servers. The 40H6618 I/O Planar board provides a range of interfaces for connecting various peripherals and devices, while the 40H6621 Memory Expansion board increases the server's overall memory capacity. Together, these boards ensure that your RS/6000 server remains a high-performance, versatile, and reliable platform for your business-critical applications.

The IBM 40H6618 and 40H6621 boards are Input/Output (I/O) planar memory expansion units designed for use with IBM RS6000 servers, specifically the 7024 E20 and E30 models running IBM PowerPRS CPUs and E20 or E32 memory. Here are some potential pros and cons of buying these memory expansion units:

1. Increased Capacity: These expansion units allow users to add more memory to their RS6000 servers, thereby increasing the system's overall capacity and improving performance in memory-intensive applications.

2. Compatibility: These units are specifically designed for use with the IBM RS6000 servers and their CPUs and memory types, ensuring a high level of compatibility and reducing the likelihood of hardware issues.

3. Hot-Pluggable: The memory expansion units can be added or removed from the server while it is still running, allowing for easy upgrades and maintenance without having to take the server offline.

1. Cost: These memory expansion units can be quite expensive, especially when compared to the cost of adding memory through other means such as DIMMs.

2. Complexity: Installing and configuring these expansion units can be a complex process, requiring a certain level of technical expertise and familiarity with the IBM RS6000 server architecture.

3. Limited Lifespan: These expansion units are based on older technology and may have a limited lifespan, particularly if they are used extensively or in high-performance environments.

In conclusion, the IBM 40H6618 and 40H6621 memory expansion units can provide significant benefits to users looking to increase the memory capacity of their IBM RS6000 servers. However, these benefits come at a cost, both in terms of financial investment and the complexity of installation and configuration.

If you are considering purchasing these expansion units, it is important to carefully weigh the potential benefits against the costs and determine whether they are the best option for your specific use case. Alternative options, such as adding memory through DIMMs, may be more cost-effective and easier to implement, but may not offer the same level of capacity or compatibility. Ultimately, the decision will depend on your specific requirements and budget.

Details:

Pulled from working decommissioned environment. Please see pictures for condition. IBM 40H6618 40H6621 System Board I/O Planarfor 7024 E20 E30 RS6000 CPU Memory.

part #: 40h6618 prices

• $39.95-$135.00

specifications servertimber:

• brand: Ibm
• mpn: 40h6618
• part type: Memory Board System

general servertimber:

• Enterprise Networking, Servers > Server Components > Server Boards
• condition: Used

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• type: Calculated
• service: USPS Priority Mail
• carrier: USPS
• class: Expedited
• cost: $0.00
• transit: 5-11 Days

returns servertimber:

• policy: No Returns

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seller servertimber:

• rating: 99.4%
• # reviews: 2546
• city: Nanuet, New York

offer servertimber:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• started: August 28, 2025

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