HP BL2x220c The Intel processor roadmap for industry-standard servers technolo - Page 13
Xeon four-core processors
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The 64-bit Xeon 5100 series two-core processor runs at a maximum frequency of 3.0 GHz with 4 MB of shared L2 cache and a maximum front-side bus speed of 1333 megahertz (Figure 7 right). The Xeon 5000 Sequence as well as the 5100 and 5200 series processors use the Intel 5000 series chipsets. These chipsets contain two main components: the Memory Controller Hub (MCH) and the I/O controller hub. The new Northbridge MCH supports DDR2 Fully-Buffered DIMMs (dual in-line memory modules). Figure 7. Diagram representing the major components of two-core Intel Xeon 3000, 5000, 5100, and 5200 Sequence processors Xeon four-core processors The four-core Intel Xeon 5300 series processor (Clovertown) was the first four-core processor for dualsocket platforms (Figure 8). The Xeon 5300 series processor has two dual-cores. Each pair of cores shares a L2 cache; up to 4 MB of L2 cache can be allocated to one core. The processor runs at a maximum frequency of 3.0 GHz, with 2 MB of L2 cache per core. This configuration delivers a significant increase in processing capacity utilizing the Intel 5000 series chipsets. ProLiant 300 series servers use the Intel 5000P and 5000Z chipsets. These chipsets support 1066-MHz and 1333-MHz Two Independent Buses, DDR2 FB-DIMMs, and PCI Express I/O slots. The four-core Xeon 5400 series processor (Harpertown) has two dual-cores, and each pair shares a 6-MB L2 cache. The Xeon 5400 series processor runs at a maximum frequency of 3.0 MHz with a 1333 MZ or 1600 MHz FSB. Figure 8. Intel Xeon 5300 and 5400 series processors contain two dual-core chips. 13