The move to minor number 0 for cyclades cards did not really succeed.
Here is a patch (against 1.3.94) to correct the problem:
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--- linux/drivers/char/cyclades.c.old Tue Apr 23 19:43:19 1996
+++ linux/drivers/char/cyclades.c Tue Apr 23 19:43:49 1996
@@ -2784,7 +2784,7 @@
cy_serial_driver.magic = TTY_DRIVER_MAGIC;
cy_serial_driver.name = "ttyC";
cy_serial_driver.major = CYCLADES_MAJOR;
- cy_serial_driver.minor_start = 32;
+ cy_serial_driver.minor_start = 0;
cy_serial_driver.num = NR_PORTS;
cy_serial_driver.type = TTY_DRIVER_TYPE_SERIAL;
cy_serial_driver.subtype = SERIAL_TYPE_NORMAL;
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/Tom
-- --------------------------------------------------------------- Tom Bjorkholm MYDATA automation AB tel: +46 8 629 09 00 Karlsbodavagen 39 fax: +46 8 629 09 09 S-161 70 Bromma, Sweden