EMS Expansion Boards - Engineering Application
LIM 4.0 focused EMS board and backplane line for pre-386 platforms, designed for deterministic page-frame mapping and predictable software compatibility.
- Standard
- LIM EMS 4.0 page-frame compatibility
- Frame Windows
- D000h and E000h profile sets
- Capacity Range
- 2MB to 8MB banked architecture
- Configuration
- Register maps with conflict-safe presets
- Validation Suite
- Lotus 1-2-3, QEMM, DOS extender scenarios
- Deployment Form
- Single-card and modular backplane builds
Transfer Modes and Performance
Three transfer modes are available for Lo-tech boards, selectable via XTIDECFG or the XTCFMODE utility. PIO-8 is most compatible; BIU modes improve throughput on faster systems.
XT-Emporium NT