- Ringo R470
Ringo R470 was a
Brazil ian clone of theSinclair ZX81 by Ritas do Brasil. It has a Z80A at 3.25 MHz, 8K ROM and 16 KB RAM. It wasn't 100% compatible with the ZX81.
Wikimedia Foundation. 2010.
Ringo R470 was a
Wikimedia Foundation. 2010.
List of ZX80/81 clones — The following is a list of clones of Sinclair Research s ZX80 and ZX81 home computers:* CP200 * CP200S http://cobit.mma.com.br/micros/cp200s.htm * CZ 1000 * CZ 1000 Plus * CZ 1500 * CZ 1500 Plus * DEF 3000 * Futura 8300 * Lambda 8300 * MicroAce * … Wikipedia