Linux baud rates:
	50
	75
	110
	134
	150
	200
+	300
+	600
+	1200
	1800
+	2400
+	4800
+	9600
+	19200
+	38400
+	57600
+	115200
+	230400
+	460800


Windows baud rates:
+	300
+	600
+	1200
+	2400
+	4800
+	9600
	14400
+	19200
+	38400
+	57600
	76800
+	115200
+	230400
+	460800
	921600

(+: common to both Linux and Windows versions of GFXterm)


for bauds in $(
    sed -r 's/^#define\s+B([1-9][0-9]+)\s+.*/\1/p;d' < \
        /usr/include/asm-generic/termbits.h ) ;do
    echo $bauds
    stty -F /dev/ttyS0 $bauds && echo Ok.
done  2>&1 |
    pr -at2


other known Linux baud rates:

500000
576000
921600
1000000
