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Chapter 1 15
NOTE: N - Not be used
DRQ Assignment Map
DRQx System Devices Add-On-Card Devices
IRQ0 N Reserved
IRQ1 N Reserved
IRQ2 FDD N
IRQ3 N Reserved
IRQ4 Cascade N
IRQ5 N Reserved
IRQ6 N Reserved
IRQ7 N Reserved
Mainboard Major Chips
Item Controller
System core logic SiS755
Video controller N/A
Super I/O controller ITE8705
Audio controller RealTek AC655
HDD controller SiS964L
Keyboard controller SiS964L
RTC SiS964L
IEEE1394 VIA6307
Environment Requirements
Item Specification
Temperature
Operating +5 ~ +35°C
Non-operating -20 ~ +60°C (Storage package)
Humidity
Operating 0% to 90% RH
Non-operating 20% to 90% RH
Vibration
Operating (unpacked) 5-500Hz, 1.0Grms (random)
Non-operating (packed) 5-500Hz, 2.16Grms (random)
Switching Power Supply 200W
Input Frequency Frequency Variation Range
50MHz 47MHz to 53MHz
60MHz 57MHz to 63MHz
Input Voltage Variation Range
100 - 120 VRMS 90 - 132 VRMS