|Mar24-10, 10:38 PM||#1|
Data Rates Calculation Question
My A+ certification study guide says:
"PCI expansion buses operate at 33 or 66MHz over a 32-bit (4 byte) channel, resulting in data rates of 133 and 266MBps, respectively..."
How did they get 133 and 266MBps? I multiplied 4 bytes by 33 and 66 MHz and the products were 132MBps and 264MBps, respectively.
|Mar25-10, 04:39 AM||#2|
The frequency is really 33.33 or 66.66 MHz. For some reason, these numbers were usually rounded down.
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