SD Mapper V1 - MSX SD Card & Memory Mapper 512k

🎬 Watch the Demo Video: SD Mapper V1 Demo on YouTube

What is it?

Expand your MSX up to 512KB and use an SD card as a hard disk up to 4GB. Compared with the V2 version, MegaRAM extension is supported.

The SD Mapper V1 supports two memory expansion methods: Memory Mapper and MegaRAM. Compared with V2, it has more functions.

This version uses Nextor BIOS v2.1.1 and comes with an acrylic case. A 1GB MicroSD card with SD card sleeve and necessary system files is included — ready to use right out of the box.

Switch Configuration

• SD card + MegaRAM: S1 ON, S2 OFF
• SD card + Memory Mapper: S1 ON, S2 ON

What makes it special?

• Supports both Memory Mapper and MegaRAM — more flexible than V2
• Expand MSX RAM up to 512KB
• Use SD card as hard disk up to 4GB
• Nextor BIOS v2.1.1 pre-installed
• Includes 1GB MicroSD card with system files ready to go
• Acrylic case included

Resources

• GitHub: msxsdmapper
• MSX.org Wiki