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Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:plasmo:kiorc Snapshot date: 2025-02-12 Generator : wayback-archiver
*/
KIORC is designed for RC2014 backplane using the integrated SIO/CTC/PIO Z84C90. It also has battery-backed RTC based on DS1302
Z84C90 rated at 12MHz
DS1302 RTC
Altera EPM7032S glue logic
Base address of KIO is 0x80, RTC is located at 0xC0
RC2014 bus compatible
Turbo charge RC2014 system performance by 2X or more
50mmX100mm 2-layer pc board
Schematic https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:kiorc:kiorc_scm.pdf ←1/28/24 Rev0 schematic is replaced
Schematic Rev1 is same as rev0 schematic with engineering changes included
Gerber photoplots rev0 ← 11/17/23 rev0 pcb is replaced
Gerber photoplot rev1, replacing the rev0 pc board. The design remains the same, but all engineering changes are updated
Altera CPLD design file
Engineering change for Rev0 PC board only. There are no engineering changes for Rev1 pc board.
Memory map of KIORC
Bill of Materials