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Hi, I would like to point out an issue with the enumeration of ISA serial devices in Syslinux. If I interpret the snippet below correctly, Syslinux looks up the device order with the BIOS, while Linux uses the fixed order 3F8,2F8,3E8,2E8. Note that this inconsistency is a real problem, as some motherboards (like e.g. a Supermicro X10DRi with default BIOS settings) have a different order

...different boards to play with to give you an accurate answer on which SM boards/firmware revisions are affected, but it isn't the first time I have seen something like this. > RBIL MEMORY.LST release 61 starting at line 31: > > --------S-M00400000-------------------------- > MEM 0040h:0000h - BASE I/O ADDRESS OF FIRST SERIAL I/O PORT > Size: WORD > Notes: the BIOS sets this word to zero if is unable to find any serial ports > at the addresses it is programmed to check at boot > DOS and BIOS serial device numbers may be redefined by re-assigning >...

...th to give you an accurate answer on which > SM boards/firmware revisions are affected, but it isn't the first time I > have seen something like this. > >> RBIL MEMORY.LST release 61 starting at line 31: >> >> --------S-M00400000-------------------------- >> MEM 0040h:0000h - BASE I/O ADDRESS OF FIRST SERIAL I/O PORT >> Size: WORD >> Notes: the BIOS sets this word to zero if is unable to find any serial >> ports >> at the addresses it is programmed to check at boot >> DOS and BIOS serial device numbers may be redef...