Multi-I/O Serial/Parallel Cards - Engineering Application
COM/LPT/FDC multi-function ISA cards configured for deterministic IRQ and DMA behavior in restoration and industrial control systems.
- Interfaces
- COM1-COM4, LPT1-LPT3, optional game port and floppy
- IRQ Mapping
- 2, 3, 4, 5, 7 selectable profiles
- Address Ranges
- 3F8h/2F8h/3E8h/2E8h and custom map options
- UART Coverage
- 8250, 16450, 16550A compatibility paths
- Tooling
- Loopback and parity stress diagnostics
- Deployment
- Field profile templates for mixed adapter stacks
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
XT-Emporium