MX680RD User’s Manual
Mainboard Specifications
Model MX680RD
Processor Supports LGA1700 Alder Lake S 12th Gen
Core™ i9, Core i7, Core i5, Core i3, Pentium, Celeron
(65W TDP max)
Chipset Intel® R680E PCH
Memory
2x 262-pins SODIMM sockets support 1.1V, Non-ECC, or ECC DDR5-4800 memory
module, up to 64GB (32GB maximum/ socket)
Display Intel® Integrated HD Graphic Engine
Maximum Resolution . DP alone:
Number of Simultaneous Displays Max Common Resolution
1 8k 60Hz HDR or 5k 120Hz HDR
2 8K 60Hz SDR or 5k 60Hz HDR
3 or 4 4k 60Hz HDR
. LVDS alone: Support VESA and CEA timing standards up to 1920 x 1200
resolution in 8-bit input with 60Hz refresh.
. eDP alone: 5K 120Hz HDR
NOTE:
If DP is combined with either LVDS or eDP display (eDP & LVDS can’t be used
simultaneously), the resolution may be lower, limited by the connected display
device with lower resolution.
SATA 2 x SATA III connectors
M.2 1x M.2 Type M 2242/ 2280 Slot (PCIe x4 & SATA III) (At Top Side)
1x M.2 Type M 2280 Slot (PCIe x4 & SATA III) (At Bottom Side)
1 x M.2 Type E 2230 with CNVi Support (PCIe x 1 & USB2.0)
USB 6 x USB 3.2 Gen 2x1 Type-A ports (3x stack-up @ Rear I/O)
1 x USB 3.2 Gen 2x2 Type-C port @ Rear I/O
2 x USB 3.2 Gen 1 ports (1x Header with Shroud)
2 x USB 2.0 ports (1x Header)
Super I/O Controller NCT6126D
Serial Ports 1 x RS-232 (1x 2.0mm Locking Type Header (with Voltage Selection))
1 x RS-232/ 422/ 485 (1x 2.0mm Locking Type Header (with Voltage Selection))
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