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Usage example to select the second device:
.sp
.B " flashrom \-p dediprog:device=1"
+.sp
+An optional
+.B spispeed
+parameter specifies the frequency of the SPI bus. Syntax is
+.sp
+.B " flashrom \-p dediprog:spispeed=frequency"
+.sp
+where
+.B frequency
+can be
+.BR 375k ", " 750k ", " 1.5M ", " 2.18M ", " 3M ", " 8M ", " 12M " or " 24M
+(in Hz). The default is a frequency of 12 MHz.
.SS
.BR "rayer_spi " programmer
The default I/O base address used for the parallel port is 0x378 and you can use
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