Aopen mx3w Benutzerhandbuch
148
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with CPU and many masters and slaves to send/receive message.
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. SPD stores memory
module information such as DRAM timing and chip parameters. SPD can be used by
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.