The Intel® IOP310 I/O processor chipset with Intel XScale® technology is the first product in Intel's fourth-generation of I/O processors. The Intel IOP310 chipset contains two devices:
The combination of these two products constitutes a fully validated I/O processor chipset solution. I/O processors are used in many applications to increase I/O subsystem performance. I/O processors are used in internet storage applications (SCSI, Fibre Channel, SAN), networking (LAN, ATM, Ethernet, switches, routers), workstations, and various embedded applications, that require high-performance I/O subsystems. The Intel IOP310 chipset brings a dramatic increase in overall I/O system performance. The huge increase in core performance paves the way for extremely complex applications—especially applications that require processor intensive calculations. When used in a server or workstation motherboard, the Intel IOP310 provides the added system benefit of offloading the host CPU from low-level interrupts.
The Intel IOP310 I/O processor chipset encompasses a majority of industry standards including the latest PCI, I2O* architecture and power management standards. The Intel IOP310 chipset provides an integrated 66 MHz, 64-bit PCI-to-PCI bridge. The internal bus speed is 100 MHz—providing internal bandwidth up to 800MB/second. The SDRAM memory controller supports 100 MHz memory. The memory controller supports up to 512MB of SDRAM. Six secondary PCI output clocks, 4 SDRAM output clocks, and 8 general purpose I/O pins are included—reducing board cost, easing designs, and saving money.
As system demands rapidly increase, greater I/O throughput becomes a necessity. The Intel® I/O processor family, beginning with the Intel® i960® I/O processors, then the Intel® 80303 processor, continuing with the introduction of the Intel IOP310 chipset and the IOP321 I/O processor, aids the developer in accomplishing a marked increase in overall system performance. The Intel IOP310 I/O processor chipset with Intel XScale microarchitecture provides breakthrough technology with breakneck core speeds, continuing Intel's vision of improving I/O performance on current server systems, and new server technology based on the Intel® Pentium® III, Intel® Xeon® and Intel® Itanium® processors.
The Intel IOP310 I/O processor is included in the Intel® Internet Server Storage Controller solution.
The Intel® 80200 processor—greater I/O performance through faster cores
The Intel® 80200 processor based on Intel XScale microarchitecture is available in three speed grades: 400 MHz, 600 MHz and 733 MHz, allowing developers to balance performance with power consumption. Even at 733 MHz, the Intel 80200 processor dissipates less than 1.3 watts! This is accomplished using the Intel® Super-Pipelined RISC Technology—the 7-stage integer, 8-stage memory super-pipelined core achieves high speed and ultra-low power across a wide operating spectrum.
Not only does this processor have great core speeds, but also 32KB data and instruction caches. A 2KB mini-data cache is also included to help avoid "thrashing" of the data cache for frequently changing data streams. The combination of speed and larger caches allows users to implement complex applications and processor intensive calculations like audio encode/decode or video compression/decompression.
The Intel 80200 processor based on Intel XScale microarchitecture is code compatible with the Intel® StrongARM* SA-110 processor. It is also compliant with ARM* v.5TE ISA, so users can maximize code density. The ARM v.5TE ISA executes either a 32-bit ARM instruction set or a 16-bit Thumb* instruction set.
Intel® 80312 companion chip—PCI and internal buses get a speed boost
The Intel® 80312 I/O companion chip integrates a 66 MHz PCI-to-PCI bridge. This doubles the speed and bandwidth from previous generation IOPs, greatly improving I/O system performance. The bandwidth of the Intel 80312 PCI busses can be up to 528MB/second. The 66 MHz bridge is backward compatible with 33 MHz PCI. The PCI busses can both be run at 33 MHz (for loading reasons), or if necessary, a user could run the primary PCI bus at 66 MHz and the secondary bus at 33 MHz (for legacy 33 MHz parts). It is left to the system designer to decide the best configuration.
Another added benefit over previous I/O processor generations is the increase in the internal bus speed. Now data can move at a rate of up to 800MB/second, a 33% increase over the past generations. Not only do all of the blocks attached to the internal bus benefit from the added bandwidth, the Memory Controller Unit runs 100 MHz SDRAM at full speed.
More added features
The Intel 80312 I/O companion chip has other performance enhancing, cost and time reduction features. The size of the Application Accelerator Unit is enlarged to 1KB and is programmable for either 512 bytes or 1KB. Eight GPIO (general-purpose I/O) pins have been added which can reduce chip count. Other potential cost and time saving integration includes 6 secondary PCI clocks and 4 SDRAM clocks. SDRAM memory capacity has been quadrupled up to 512MB of 100 MHz SDRAM.
Intel® IOP310 delivers breakthrough performance
The Intel IOP310 I/O processor chipset with Intel XScale technology takes I/O performance to new levels. 733 MHz core performance coupled with 100 MHz SDRAM and an integrated 66 MHz PCI-to-PCI bridge opens the gate to highest system performance.
For more information see the product brief.
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