divMMC

divMMC SinDiKat edition – yet another divMMC clone with following features, improvements and changes

divMMC SinDiKat rev.4.1

Main changes between rev.3 and rev4.1
  • added voltage supervisor for more accurate RTC /CS signal handling during power on/off
  • simplified battery connection
  • it is still possible to disconnect the battery via the jumper on the top of the printed circuit board
  • black pcb for cool design 🙂

Tested with the following computers:

  • ZX Spectrum 48, Issue 3,4,6
  • ZX Spectrum +, Issue 6
  • ZX Spectrum +128K, Issue 6A, 9G
  • ZX Spectrum +2
  • ZX Spectrum +2A, +2B
  • ZX Spectrum +3
  • Harlequin 48
  • Harlequin 128, Issue 2G
  • Didaktik Gama 89, Kempston jumper disconnected
  • Didaktik M 1992, depending on computer condition

We recommend performing a recap for all types of computers.

divMMC SinDiKat rev.3

  • two micro SD card slots – on top and bottom side of PCB
  • 512kiB RAM, 8kiB EEPROM
  • RTC – real time clock chip Epson 72423, at port #03
  • battery back-up RTC
  • independent 4MHz clock generator
  • powered from zx spectrum, current consumption 110mA
  • kempston joystick interface
  • old-school jumper configuration – +2A/+3 selection, Kempston disable and eeprom write disable
  • fully supported by ESXDOS / fully supports ESXDOS

Support files for RTC

  • RTC.SYS for ESXDOS
  • Date/time settings utility MCLOCKEN.TAP by Busy.
  • Works well also with esxdos 0.8.9
Download here: divmmc-sindikat-addons-esxdos-0.8.8.zipStáhnout
divMMC rev.3
divMMC rev.3 + RTC
Running RTC chip
boxed divMMC

divMMC SinDiKat rev. 2

  • features same as revision 3. specified above – without RTC chip
  • cheaper than rev. 3
  • ideal for players and occasional speccy users
divMMC revision 2 without RTC chip

Vyhledat