u2-SX Mini Rev.1.3 - 2nd Gen OCM Compatible

Name: u2-SX Mini Rev.1.3 - 2nd Gen OCM Compatible
SKU: 34497
Price: 199.00 USD
Availability: InStock

Optimized second generation OCM hardware with many original new features.

Designed by Denjhang's Retro Hardware in China

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Optimized second generation OCM hardware with many original new features.

What is it? u2-SX Mini using the QMTECH EP4CE15F23 core board and based on SM-X HB Mini. Unfortunately, QMTECH stopped producing the EP4CE15F23 core board in the first half of 2024. But I solved th…

What is it?

u2-SX Mini using the QMTECH EP4CE15F23 core board and based on SM-X HB Mini.

Unfortunately, QMTECH stopped producing the EP4CE15F23 core board in the first half of 2024. But I solved this problem and designed a compatible core board with the permission of QMTECH, which is the fundamental reason for the continuation of the project.

To improve VGA quality, I have added an external video DAC, And I changed the keyboard layout to us layout, and I also solidified the u2-SX startup logo.
so the firmware is not compatible with SM-X HB.
It is no surprise that Victor is the creator of SM-X, which means all the second-generation 1ChipMSX clones are based on SM-X.
SX-2 is a partial clone of SM-X.
SX-Lite is a full clone of SM-X HB Mini.
SX-E is a combination of SM-X and MiST clones. This is similar to Victor's Multicore 2p

Why did you make it?

What makes it special?

Compared with first-generation OCM (such as uMSX) and other second-generation OCM hardware, it has the following characteristics:
1. VGA+HDMI video output simultaneously. Audio can be output through HDMI and 3.5mm headphone jack at the same time.
2. cassette audio input function.
3. Professional independent audio power supply, preamplifier and headphone amplifier chips, true audiophile-grade sound quality.The volume is adjustable.
4. Independent video DAC chip eliminates all ripple and bleed.
5. Franky firmware is pre-installed and can run a few SMS games.
6. PS/2 Mouse Port , USB Keyboard/Mouse Support 7. Professional 4-layer PCB layout and routing.
8. Dual PSG, compatible with MegaFlash ROM SCC+SD standards.
9. Midi Port by Joyport2
10. Slot-3 Expansion Bus Port Support