Amazon.com: StarTech.com Motherboard Serial Port - Internal - 1 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter (ICUSB232INT1) : Electronics
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ASRock Rack > Support
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16in (40cm) 9 Pin Serial Male to 10 Pin Motherboard Header Slot Plate - Motherboard Serial Port Adapter - Buy 16in (40cm) 9 Pin Serial Male to 10 Pin Motherboard Header Slot
BIOSTAR
How do I know when my motherboard was manufactured? I heard that it can be found on the serial number. : r/pcmasterrace