Motherboard MB2J249-0300 Series
Qotom MB2J249-0300 is a Braswell-based mini PC motherboard featuring dual HDMI, DisplayPort, rich I/O, and dual LAN. Perfect for industrial control, signage, and space-saving embedded systems.
Main Features
Intel Braswell Processor
2 × HDMI, 1 × Display Port
4 × USB 3.0, 2 × USB 2.0
1 × M.2, 1 × mSATA
1 × Mini-PCIe, 1 × SATA 3.0
4 × RS-232 Serial Port
2 × Realtek Gigabit LAN
| Processor System | |
| Dimension | 120 × 120mm |
| CPU | Intel Braswell Processor |
| Core Number | By CPU |
| Max. Speed | By CPU |
| L2 Cache | By CPU |
| Chipset | By CPU |
| BIOS | UEFI |
| Expansion Slot | |
| M.2 | 1 × M.2 for Wi-Fi (E key, Type: 2230) |
| mSATA | 1 × Full-length Mini PCIe for SSD |
| Mini-PCIe | 1 × Mini PCIe, Half-length Mini PCIe for Wi-Fi by Default, Full-length Mini PCIe for 4G |
| Memory | |
| Technology | DDR3L 1333/1600MHz SDRAM |
| Max. | 8GB |
| Socket | 1 × SO-DIMM |
| Graphics | |
| Controller | By CPU |
| Display Port | 1 |
| HDMI | 2 |
| Multi Display | Yes |
| Ethernet | |
| Interface | 10/100/1000Mbps |
| Controller | 2 × Realtek Gigabit LAN |
| Connector | 2 × RJ-45 |
| Audio | |
| Controller | Realtek HD Audio |
| SATA | |
| Max. Data Transfer Rate | SATA 3.0 (6.0Gb/S) |
| Accessories | |
| Accessories | Cable for HDD, Cable for Serial Port |
| Real I/O | |
| DC-IN | 1 |
| HDMI | 2 |
| Display Port | 1 |
| Ethernet | 2 |
| USB | 2 × USB 3.0 |
| Audio | 1 (Mic-in, Line-out) |
| Front I/O | |
| USB | 2 × USB 3.0, 2 × USB 2.0 |
| Serial Port | 1 × RS-232 |
| Power Button | 1 |
| LED | 1 × Power LED, 1 × HDD LED |
| Internal Connector | |
| Serial Port | 3, 2 × 5Pin, Pitch 2.0mm, COM3/4 Support 5V/12V |
| SATA | 1, SATA 3.0 (6.0Gb/S) |
| SATA PWR Connector | 1, 1 × 4Pin, Pitch PH2.0mm |
| SIM Slot | 1 |
| AutoStart Jumper | Yes, 1 × 3Pin, Pitch 2.54mm |
| Clear CMOS Jumper | No |
| GPIO Header | 1, 2 × 5Pin, Pitch 2.0mm |
| Front Panel Header | 1, 2 × 5Pin, Pitch 2.54mm |
| Speakers Header | 1, 2 × 5Pin, Pitch 2.54mm |
| 1, 1 × 4Pin, Pitch PH2.0mm | |
| Power Header | 1, 1 × 2Pin, Pitch 4.2mm (Option) |
| Watchdog Timer | |
| Output | From Super I/O to Drag RESETCON# |
| Interval | 256 Segments,0,1,2,3,,,255 sec/min |
| Power Requirement | |
| Input PWR | 12V DC in, 5.5mm/2.5mm |
| Environment | |
| Operating Temperature | 0-50 ℃ |
| OS Support | |
| OS | Windows 7 x64, Windows 10, Linux |
Packing List
| NO. | Category | Quantity | Remark |
| 1 | Motherboard | 1 | |
| 2 | HDD cable | 1 | |
| 3 | Radiator | 1 | Option |
| 4 | Fan | 1 | Option |
| 5 | Serial cable | Several | Depending on the model |
Ordering and Specifications Information
Quick Order Model: Q3710G2-D
| Ordering Code | Code Name | Processor Type | Processor Number | # of Cores | # of Threads | Base Frequency | Max Turbo Frequency | Cache | Processor Graphics | TDP |
Q3060G2-D (MB2J249-0311) | Braswell | Celeron | N3060 | 2 | 2 | 1.6Ghz | 2.48Ghz | 2M | Intel HD Graphics | 6W |
Q3160G2-D (MB2J249-0321) | Braswell | Celeron | N3160 | 4 | 4 | 1.6Ghz | 2.24Ghz | 2M | Intel HD Graphics | 6W |
Q3710G2-D (MB2J249-0331) | Braswell | Pentium | J3710 | 4 | 4 | 1.6Ghz | 2.64Ghz | 2M | Intel HD Graphics | 6.5W |