ISA Memory Expander - Engineering Application
Bank-switched memory expansion module tuned for XT, AT, and 286 deployments requiring deterministic mapping, parity instrumentation, and robust coexistence with DMA-heavy workloads.
- Capacity Profiles
- 256KB, 512KB, 1MB address-space maps
- Parity Modes
- Strict parity enforcement and monitor-only mode
- Switching
- Hardware DIP plus jumper matrix for deterministic layout
- Timing Control
- Wait-state presets for weak chipset implementations
- Diagnostics Tooling
- DOS burn-in suite with map integrity reports
- Target Systems
- 8088, V20, 286, 386SX hybrid benches
Floppy Controller ISA Lab - Engineering Application
Legacy floppy controller integration, diagnostics, and data recovery profiles for 360KB, 720KB, 1.2MB, and 1.44MB workflows.
- Interface
- 8-bit and 16-bit ISA controller variants
- Drive Modes
- 360KB, 720KB, 1.2MB, 1.44MB verified
- BIOS Pairing
- XT and AT BIOS compatibility tables
- Signal Checks
- Index, step, direction, ready, and write gate diagnostics
- Recovery Toolkit
- Read-retry and sector salvage operation notes
- Test Harness
- Head alignment and media condition scripts
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
XT-Emporium NT