Promise Technology 66 Pro - Manual (Page 135)

SuperTrak66™ User's Manual Appendix B
B-1
SuperTrak66 Technical Specifications
Performance-Related Features
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True hardware-based RAID
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Single IRQ per RAID I/O
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Intelligent cache dynamically configures itself
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Support for up to 128MB (minimum of 8MB required) of EDO RAM in one 72
pin SIMM socket
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Microprocessor offloads tasks to reduce system CPU utilization
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User-configurable cache parameters for each array: dirty threshold, write policy,
read ahead policy and flush policy
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User-configurable RAID stripe sizing allows controller to optimize operations for
operating systems and applications
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User-configurable rebuild priority. Allows the user to keep RAID performance
high while performing data rebuilds
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Multi-threaded command processing and disk operations
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Supports Tagged Command Queuing for optimal disk performance
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Advanced load balancing and elevator seek for optimal disk performance
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Hardware scatter gather DMA engine reduces CPU overhead
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Intelligent algorithm to optimize RAID 5 writes
Data Protection Features
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Support for RAID levels 0, 1, 0+1, 3, 5 and Spanning
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Meets all of the RAID Advisory Board’s standards for RAID levels
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Automatic sector re-mapping allows defective hard disk sectors to be re-
mapped with data recovery
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Automatic failed drive detection and transparent disk drive rebuild
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Onboard buzzer sound audible alarms in the event of failure
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Supports S.M.A.R.T. capable drives for predictive failure analysis messaging
through SuperCheck GUI
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Hot swap capability
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Hot spare capability
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Configuration is stored on all disks in the array. This allows configuration to be
restored to a new controller in case of controller failure
Host Interface
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On board 32-bit Intel i960RD RISC microprocessor
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I
2
O version 1.5 compliant
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Supports up to 33MHz PCI bus speed
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Supports up to 133MB per second burst data transfer rate across PCI bus
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Provides 32-bit PCI bus mastering with 0 wait states.
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PCI Local Bus version 2.1 compliant
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Onboard 64K Flash BIOS
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Firmware Flash EEPROM
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NVRAM for error log for fast recovery