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Specifications

The following table sums up the main features and characteristics of Zeal 8-bit Computer:
Component Description
Processor Zilog Z80 @ 10MHz
MIPS (Million Instructions Per Second) ~1.45
Primary Read-Only Memory (ROM) 256KB (NOR Flash)
upgradeable up to 512KB
Secondary Read-Only Memory (ROM) 32KB or 64KB (I²C EEPROM)
Memory (RAM) 512KB
Logical address space size 64K (16-bit)
Physical address space size 4MB (22-bit)
Keyboard interface PS/2, compatible with 104-key keyboards
Real-Time Clock
Inputs/Outputs
  • User port: including I²C, UART, and GPIOs
  • Extension port
  • Video card connector
  • PS/2 port
Peripherals Game controllers, video cards, audio cards, keypads, cartridges, CompactFlash, ...
Dimensions 150mm x 100mm (5.91 in x 3.94 in)
Power input 5V through USB Type-C