6 Slot Green Backplane

A standard 80-way RCBus/RC2014 compatible backplane.

Suitable for the Mean Green Machine series of of kits.

Key features

• Onboard 5V DC converter
• Onboard switch and power-on led
• Onboard system Reset switch
• Single Ground plane for maximum signal integrity
• Optional bypass support for direct 5V powering
• Screw terminal for external 5V out
• RCBus and RC2014 compatibility

What is the Green Machine Series of Retro Kits

The green machine series of kits are designed around the RCBus/RC2014 bus, powered by an eZ80 CPU (as apposed to the Z80 CPU), and broadly compatible with many RC2014 and RCBus kits, including CP/M and RomWBW software stacks.

For more information of the eZ80 CPU, see the eZ80 CPU kit.

FAQ

Can I use other backplanes - do I have to use this one for an eZ80 build?

You can use any RCBus compatible backplane that supports all 80 bus lines. You can even use none green ones! Just make sure its got the full 80 lanes (2x40 pin headers)

Images

Bill of Materials

The following items will be included in your kit.

Count	Name	Detail	Vendor Link*
4	0.1uF	Multilayer Ceramic Capacitors MLCC 2.54mm	mouser
12	1x40 header socket (green & black)	2.54mm spacing	EBAY SEARCH: 40Pin Female Single Row Header Strip
1	3mm GREEN LED	Conventional 3mm LED
1	1 470 Ω	3.4mm width
1	DC Barrel Connector	Same Sky: PJ-002B (2.5mm/6.5mm)	mouser
1	Tactile Switch	5.99mm	mouser
1	Power Terminal Block (2POS)		mouser
1	SPDT Toggle Switch	E-Switch: 200MSP1T1B2M6QE	mouser
1	Compatible DC Converter 12V to 5V (2amp)	MPS: MEZD71202A-G LM7805 Compatible*	element14-aus
1	2 Layer PCB

* Vendor links are supplied for reference only. Specific product may vary, vendor may change its offering and/or components may cease production.

Resources

• Schematic: schematic

Disclaimer

Please note that this is a kit, produced by a non-expert (me) for hackers, DIYers’ and retro lovers, to tinker with. Please exercise caution and follow good safety practices. You will be working with sharp knives, a hot soldering iron, and small metal components. Be mindful of the risks involved in the build process. I will do my best to answer any questions you may have.

This kit is provided as-is, with no guarantees or warranties. By assembling and using this kit, you acknowledge that you do so at your own risk.