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
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