Name: 21P9566 IBM Intel Pentium III 1.0GHz 1333MHz FSB 256KB L2 Cache CPU
Brand: IBM
SKU: 21P9566
Price: 169.75 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The IBM 21P9566 is a 1.0GHz Intel Pentium III processor designed for older systems requiring Socket PPGA370 compatibility. It delivers consistent single-core performance with a 256KB L2 cache and a 1333MHz front-side bus, fitting well into environments where basic processing and legacy support are essential.

General Information
Brand	IBM
Part Number	21P9566

Technical Information
Total Threads	1
Base Clock Speed	1.0 GHz
Socket Type	Socket 370
Cache	256 KB L2

Memory Specifications
Memory Types	SDR SDRAM (PC100/PC133)
Max Memory Channels	1
Bandwidth	1066 MB/s (PC133)

Physical Characteristics
Weight	5.00
Condition	Refurbished

Miscellaneous
Eco Friendly	Yes

Product Description
This Intel Pentium III processor operates at 1.0GHz, providing reliable single-core computing suitable for older desktop systems. It's built for use in legacy hardware environments where compatibility with Socket PPGA370 motherboards is necessary. Often found in basic office setups or embedded systems, this CPU offers a balance of processing speed and power efficiency for tasks like document editing and light multitasking. Key Features 256KB L2 cache helps speed up data access for smoother performance 1333MHz front-side bus interface supports consistent data flow between CPU and memory Single-core design is suited for straightforward, less demanding applications Compatible with Socket PPGA370, making it ideal for upgrading or repairing older systems Energy-efficient operation suitable for environments with limited power resources This processor is typically deployed in situations where maintaining legacy systems is important, such as in educational labs or industrial equipment. Its straightforward architecture makes it easy to integrate and maintain, providing dependable performance without the complexity of modern multi-core designs.

Use Cases
The IBM 21P9566 Intel Pentium III processor is typically deployed in legacy IT environments where compatibility with older hardware standards is critical. It serves well in setups maintaining vintage systems or running legacy software that demands reliable single-core performance without modern multi-threading complexities. How It's Used: Supporting legacy industrial control systems in manufacturing facilities requiring stable and consistent CPU behavior. Maintaining older point-of-sale (POS) systems in retail environments that depend on Socket PPGA370 motherboard compatibility. Running legacy business applications in small offices where cost-effective hardware upgrades are limited. Enabling educational institutions to operate classic computer labs for historical software or training on legacy platforms. Serving as a replacement CPU in IT environments managing hardware refresh cycles with phased upgrades. This processor aids operational continuity by ensuring older systems remain functional without necessitating full infrastructure overhaul. Its design supports stable workloads in specialized applications, preserving investment in legacy assets while balancing performance and compatibility requirements.