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Appendix B
Equity II+ Specifications
CPU and Memory
16-bit CPU
80286 microprocessor; 8 or 12 MHz clock-
rate, switch-selectable
Main memory
ROM
Math coprocessor
Controllers
Floppy disk
Hard disk
Interfaces
Serial
Printer
Real address (8086-compatible) and pro-
tected virtual address (multi-tasking or multi-
user) modes
24-bit address and 16-bit data bus
640KB RAM on memory card; expandable
to 15.5MB maximum with expansion cards
32KB, expandable to 64KB, selectable
alternate ROM for custom use
80287 (8 MHz) support (optional)
Supports up to two drives available in any of
four formats: double-density (360KB),
double-density (720KB), high-density
(1.2MB), or high-density (1.44MB); control-
ler on multifunction card
Supports up to two drives available in
multiple formats (including 10MB, 20MB,
30MB, and 40MB); installs in option slot
RS-232C
, programmable, asynchronous,
DB-9P male connector
Standard 8-bit parallel, DB-25S female
connector
User's Guide
B-l