::.. MCZ 1/20 ..::

Description
Brief description The MCZ 1/20 is designed as a freestanding unit that can become part of a general purpose computer system.
Characteristics
CPU Z80-CPU 2.4576MHz
ROM 3KiB (on Z80-MCB)
RAM Standard 16KiB (on Z80-MCB)
RAM maximum 64KiB, minus 4KiB overlapping ROM (with 48KiB RAM on Z80-MDC)
Floppy 2* 8" internal; Shugart SA801 hard sectored
Harddisk none
Console Serial Terminal (RS232 or 20mA current loop; 50-38.400 Baud)
Controls Reset Button
NMI Button (BREAK) for interrupting the current program and saving the system state
9 Slots
Z80-MCB Microcomputer Board (CPU, CTC, USART, PIO, 3KiB ROM, 16KiB RAM, 1* serial, 2* parallel)
Z80-MDC Memory Disk Controller (Floppy Disk Controller, 16KiB, 32KiB or 48KiB RAM)
Slot 3 to 9 free For a Zilog® MCB family I/O expansion board or user spezific board
Software
ROM 3K ROM Monitor
HW-Init, ROM-Monitor (ROM resident debugger), low-level driver for console and floppy, boot loader stage 1
Disks RIO 2.x
Photo [MCZ 1/20]