Hi Bernd, Pierre,

>> Something like this still has some legacy
>> controllers/connectors/headers:
>> http://www.asrock.com/mb/Intel/Fatal1ty%20Z77%20Professional/?cat=Specifications>

>> I bought an ASROCK MB that had a floppy controller on it, but I had
>> to return it as a defectiveunit.  I may be wrong, but I swore off
>> that brand becasuse of that ordeal.

Another nice DOS mainboard is the Gigabyte GA-870A-UD3 rev 3.1:


For AMD Socket AM3+ processors such as Athlon II and Phenom II,
Chipset AMD 870 / SB 850, for DDR3 DIMM RAM, with HDA 7.1 sound.

USB 3.0, SATA3 at 6 GBit/s, two PCIe 2.0 x16 slots (only 16 plus
4 lanes, not full SLI), two PCIe x1 slots (sharing lanes again).

Choice between normal BIOS and EFI boot for 3 TB harddisks, LAN
up to 1000 Mbit/s, eSATA, S/PDIF digital audio both optical and
coax, many USB and SATA sockets, FireWire IEEE 1394a, but also:

3 classic PCI slots, 1 classic IDE connector for up to 2 drives
(ATA133 speed), 1 classic floppy connector - for only 1 floppy.

Connectors for serial and parallel port - not on-board, needs
cables to real printer / rs232 sockets elsewhere in your case.

PS/2 (just one, fits keyboard or mouse). In short, you can use
this to make a modern PC which still connects to a lot of good
old hardware that you may have from DOS times, if necessary :-)


PS: You can plug 20 PCIe lanes, 16 for the main (graphics card)
PCIe x16 slot, 4 shared between the two x1 slots and the second
PCIe "x16" (mechanically x16, electrically max x4) slot, which
is still fine for e.g. a fast net/disk controller or SSD card.

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