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
Optional SMT Components
Revision 1 boards include optional SMT pads for Slot-8 directly active select and active LED indicator. These are not required for normal operation.
Fully Working Amstrad PC1640SD With Monitor, Keyboard & Boot Disk (Plus Printer) UK
The Amstrad PC1640 family (1987) helped make affordable IBM PC compatibles mainstream in Europe. This entry tracks a complete PC1640SD setup (monitor + keyboard + boot disk), aligned with the XT-Emporium catalog.
- CPU
- Intel 8086 @ 8 MHz
- RAM
- 640 KB
- Storage
- Floppy + HDD variants depending on model
- Graphics
- CGA/EGA compatible (model dependent)
- Manufacturer
- Amstrad plc (UK)
- Released
- 1987
XT-Emporium NT