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Appendix E
Equity LT Specifications
CPU and Memory
16-bit CPU
Main memory
ROM
pPD70116 V30 microprocessor; 4.77 or 10
MHz clockrate, switch-selectable
20-bit address and 16-bit data bus
640KB RAM (with parity) on main board
16KB
Controllers
Floppy disk
Supports up to two drives; two 3
+-inch
drives or one 3
r-inch
drive and one
external 5
t
-inch drive
Hard disk
Supports one 20MB hard disk; supplied in
top option slot
Interfaces
Parallel
Serial
Standard 8-bit parallel, DB-25S female
connector for parallel printer or external
5
t
-inch diskette drive
RS-232C, programmable, asynchronous,
DB-9P male connector
CRT Color monitor port, DB-9P connector
Option slots Two proprietary 8-bit input/output slots;
one for hard disk drive, one for optional
modem card
Equity LT Specifications
E-1