FEATURES
CPU	Z80 CPU high performance microprocessor with 158 instructions.
SOFTWARE COMPATIBILITY	Capable of executing Z80/8080/8085 machine language program.
RAM	2K bytes expandable to 4K bytes.
ROM	2K bytes of sophisticated monitor expandable to 8 K bytes.
INPUT/OUTPUT	24 system I/O lines.
MONITOR	2K bytes of sophisticated monitor. It scans the keyboard and executes the command entered immediately after power is turned on. The monitor includes: system initialization, keyboard scan, display scan, tape write and read.
DISPLAY	6 digit 0.5" red display.
AUDIO CASSETTE INTERFACE	165 bit per second average rate for data transfer between memory and cassette tape
EXTENSION CONNECTORS	Provides all buses of CPU, channel singals of CTC and I/O port bus of PIO for user's expansion.
COUNTER TIMER CIRCUITS	Circuits are provided.
PARALLEL I/O CIRCUITS	Circuits are provided.
SPEAKER	A 2.25"-diameter speaker is provided for user's applications.
USER AREA	Provides a 3.5" x 1.36" wire wrapping area for user's expansion.
PHYSICAL DIMENSION	1.60mm (H) x 15.75cm (W) x 22.30cm (D)
POWER REQUIREMENT	Single +5V DC.
POWER SUPPLY	A 9V, 0.6A Adapter is provided.
USER'S AND EXPERIMENT MANUAL	Complete self-learning text with experiments and applications.
KEYBOARD: 36 keys including 19 function keys, 16 hex-digit keys and 1 user defined key.
RS	Reset the system.
ADDR	Set memory address and display memory content.
DATA	Input data to memory or register.
PC	Recall program counter.
REG	Select register and display contents of register.
+	Display content of next memory address or register.
-	Display content of last memory address or register.
STEP	Single step execution of user's program.
SBR	Set break point of user's program.
CBR	Clear break point of user's program.
MONI	User's program break and return to monitor.
GO	Execute the user's program.
INS	Insert data of the address followed by the current display address.
DEL	Delete data of the current display address.
MOVE	Move memory block in the RAM.
RELA	Relative address calculation, calculates and stores relative address.
TAPE WR	Store data to the cassette tape.
TAPE RD	Load data from the recorder.
INTR	Maskable interrupt.
USER KEY	User defined key.
O-F	Hex-digits or register selection.