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PM8010 maxSAS SRC 8x6G
PCI Express 2.0 8-Port SAS-2 RAID Controller
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Features
PRODUCT OVERVIEW
The maxSAS SRC 8x6G is a highly-integrated, PCIe x8 to 8-port SAS-2
1.5G/3G/6G RAID-on-Chip (RoC) controller. The SRC 8x6G's breakthrough
RoCstar architecture eliminates the bottlenecks of traditional
RoC controllers, providing a quantum leap in server I/O performance,
efficiency and scalability.
Integrating a fully offloaded 8-port SAS-2 protocol controller, a high
performance PCI-Express 2.0 host port, RAID and T10 DIF acceleration,
encryption engines, DDR2-800 memory port, multi-thread-capable IO
processor, and additional application acceleration processors - all
tied together through the RoCstar ultra-high throughput contentionfree
architecture, the SRC 8x6G truly changes the landscape of RoC
solutions.
The SRC 8x6G offers a scalable solution for phased OEM RAID development
to effectively manage end-customer requirements. To accelerate
customer porting and development, the architecture provides
both a hardware and firmware infrastructure along with a development
environment in the form of a product development kit. BENEFITS
- Higher system performance with RoCstar contention-free
architecture
- Higher system performance with hardware accelerated RAID 5 and 6
- Preserves legacy system support through backward compatibility
with SAS 1.0a and PCIe 1.1
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- Firmware authentification enables FIPS-140 compliance
- Data security with AES-LRW encryption engine.
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PRODUCT HIGHLIGHTS
ULTRA-HIGH PERFORMANCE RoCstar ARCHITECTURE
- RoCstar switch architecture eliminates internal bus contention and
bus arbitration delays
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- Non-blocking internal interconnect for processor cores, ports,
peripherals and external memory
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EMBEDDED STORAGE APPLICATION PROCESSOR
- Embedded 600 MHz MIPS 34K 32-bit multi-threading IO processor
- 4-way set associative writeback, 32-Kbyte Instruction and Data
caches
- Flexible Thread Policy Manager with programmable QoS support
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- Multi-thread EJTAG debug and RTOS visibility through Green Hills
MULTI IDE
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SAS-2/SATA INTERFACE
- Eight-port SAS/SATA 1.5G/3G/6G fully offloaded protocol controller
- Supports SSP, SMP and STP operating as a SAS initiator or target
- Provides SATA host for directly connecting SATA HDD
- 2:1 DWord multiplexing allows maximum bandwidth utilization when
using legacy SAS or SATA 3G HDDs
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- Hot-plug, staggered spin-up and SATA Native Command Queuing
support
- Full simultaneous bandwidth up to 600 Mbyte/s per direction per
PHY or 1200 Mbyte/s bi-directional per PHY
- Flexible wide-port capability supports any combination of widths up
to eight serial interfaces per wide port
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PCI EXPRESS (PCIe) PORT
- Eight PCI Express PHYs compliant with base specification 2.0,
operating at 5 Gb/s and 2.5 Gb/s per link
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- Backwards compatible to PCIe 1.1
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DDR2 MEMORY CONTROLLER
- 32/64-bit DDR2 with optional ECC support
- DDR2-533 to DDR2-800 supporting up to 4 GB DRAM
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- Full initialization of memory on hardware reset
- Optimized for low latency return of CPU reads
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RAID, T10 DIF, AND AES ACCELERATION
- Supports RAID implementations 0/1/10/5/50/6 and 60
- Computes RAID 6 via bit-wise XOR and Reed Solomon (P+Q) on two
simultaneous data streams
- Dual parity generated in a single pass, improving performance
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- Computes in-place AES encryption with 128, 192 and 256 key
length support
- Checking, insertion and replacement of T10 DIF as defined by SBC-2
- Firmware API for accessing subsystem
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CONFIGURABLE PERIPHERAL INTERFACES
- NOR interface support for Flash, ROM, EEPROM, and SRAM support
- 8 or 16-bit data transfers
- Four configurable multi-master/slave Two-wire Interfaces (TWIs)
supports variable bit rates up to 400 Kbit/s
- Two industry-standard 16750 UART ports
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- Single Serial Peripheral interface
- Two SFF-8484 compliant Serial GPIO ports
- Firmware API for peripheral control including features such as
activity LED, UART configuration, zoning configuration, interprocessor
communications, enclosure control
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DEBUG
- CPU EJTAG debug support via Green Hills MULTI with RTOS awareness
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- Memory and cache performance monitoring
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PHYSICAL
- 672-pin 27 x 27 mm BGA package
- 1.0 mm ball pitch
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- 90 nm CMOS technology
- 6 W to 13 W typical power operation, depending on configuration
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Applications
- PCIe RAID cards
- RAID on Motherboard
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- SAS Host Bus Adapter
- Servers, Workstations and External RAID storage systems
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