AOpen MX36, Онлайн-руководство

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Gl
ossary
S S P P D D ( ( S S e e r r i i a a l l P P r r e e s s e e n n c c e e D D e e t t e e c c t t ) )
SPD is a small ROM or EEPROM device resided on the DIMM or RIMM . SPD stores memory
module information such as DRAM timing and chip parameters. SPD can be used by BIOS to
decide best timing for this DIMM or RIMM.
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Unlike traditional PIO/DMA mode, which only uses the rising edge of IDE command signal to
transfer data. UDMA/33 uses both rising edge and falling edge; the data transfer rate is double
of the PIO mode 4 or DMA mode 2.
16.6MB/s x2 = 33MB/s
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USB is a 4-pin serial peripheral bus that is capable of cascading low/medium speed peripherals
(less than 10Mbit/s) such as keyboard, mouse, joystick, scanner, printer and modem. With USB,
the traditional complex cables from back panel of your PC can be eliminated.