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CPU : Slot-1 base support single （ ROCKYP258BX ） / dual （ ROCKYP228BX ） CeleronTM / Pentium® III up to 100MHz FSB
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System Memory :
－－> ROCKYP258BX : Four 168-pin DIMM sockets up to 1GB SDRAM
－－> ROCKYP228BX : Three 168-pin DIMM sockets up to 768MB SDRAM
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System Chipset : Intel® 440BX chipset
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BIOS : AMI PnP Flash BIOS
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Super I/O :
－－> 2 x RS-232 ports
－－> 1 x parallel port （ support SPP/EPP/ECP mode ）
－－> IrDA port
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USB ports : one port on the bracket ａnd one by pin-header （ ROCKYP258BX ） or two ports by pin-header （ ROCKYP228BX ）, meets USB ver.1 standard
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IDE : Dual Ultra DMA33 interface with tow 40-pin pin-header
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FDD : One port
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Watchdog Timer
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LM78 hardware monitoring chip on board
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SSD : One DiskOnChipTM socket
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ISAPLUSTM : Designed to enhance the ISA bus drive capability
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E2KeyTM : A non-volatile 1Kbit EEPROM is provided to retain application critical read/write data
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Supports ATX power control function
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Power Consumption :
－－> ROCKYP258BX : 6.8A@+5V, 120mA@+12V, 50mA@-12V （ Pentium® II 450MHz CPU ａnd 512MB SDRAM ）
－－> ROCKYP228BX : 8.6A@+5V, 350mA@+12V, 50mA@-12V （ Pentium® II 450MHz CPU ａnd 512MB SDRAM ）
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Operating Temperature : 0o ~ 55oC （ CPU needs cooler ）
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Relative humidity : 5 ~ 95%, non-condensing
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