Asus SP98-XV User Manual download pdf (Page 112)

ASUS SP98-N User’s Manual112

7. APPENDIX7. APPENDIX

7. APPENDIX

Glossary

UltraDMA/33

UltraDMA/33 is a new specification to improve IDE transfer rates. Unlike tradi-

tional PIO mode, which only uses the rising edge of IDE command signal to transfer

data, the DMA/33 uses both rising edge and falling edge. Hence, the data transfer

rate is double of the PIO mode 4 or DMA mode 2. (16.6MB/s x2 = 33MB/s).

USB (Universal Serial Bus)

A new 4-pin serial peripheral bus that allows plug and play computer peripherals

such as keyboard, mouse, joystick, scanner, printer and modem/ISDN to be auto-

matically configured when they are attached physically without having to install

drivers or reboot. With USB, the traditional complex cables from back panel of your

PC can be eliminated.

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Asus SP98-XV User Manual Page 112