AOpen MX3W Pro - Page 27

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 To identify 2-clock and 4-clock DIMM, yo
u
may check if there are traces connected to the
golden finger pins 79 and 163 of the SDRAM. I
f
there are traces, the SDRAM is probably 4-clock;
otherwise, it is 2-clock.
 To identify single-side or double-side DIMM,
check golden finger pin 114 and pin 129. If there ar
e
traces connected to pin 114 and pin 129, the DIM
M
is probably double-side; otherwise, it is single-side.