Table of Contents
/* Imported from Wayback Machine
Original URL : https://www.retrobrewcomputers.org/doku.php?id=boards:ecb:backplane-4:start Snapshot date: 2026-03-11 Generator : wayback-archiver
*/
Table of Contents
ECB Backplane 4
The purpose of this backplane design is to take advantage of the discount offered by many PCB manufacturers with 10x10cm PCB boards. It's a cut down version of A. Lynch and J. Coffman's 8-slot design and was inspired by Will Sowerbutts ECB Mini Backplane board.
Features
4 ECB Slots
Low cost 10x10cm format
Industry standard power connection
On/off switch with LED indicator
Reset connector
Battery backup connector
Additional mounting holes
Design Files R01
Gerbers for 4 slot 10x10cm backplane
:builderpages:b1ackmai1er:backplane4-r01-20180416.zip
kicad files:
Parts List
| Part | Qty | Desc | Comment | |
|---|---|---|---|---|
| R1 | 1 | 470R 0.25w resistor | ||
| C1, C3, C5, C7 | 4 | 220uF4.04mm Electrolytic | ||
| C2, C4, C6, C8 | 4 | 0.1uF Ceramic | ||
| D1 | 1 | 5mm LED | Green | Lite-On LTL-4233 (Mouser order code 859-LTL-4233) |
| SW1 | 1 | SPDT toggle switch | ON-ON type, 0.185” lead spacing, 5A rating | TE Connectivity A101SYCQ04 (Mouser order code 506-A101SYCQ04) |
| P2 | 1 | 4-pin disk drive power connector | Molex 15-24-4745 (Farnell order code 1391827) | |
| U0, U1, U2, U3 | 4 | DIN 41612 Connector, Type C Socket, 96 contacts | TE Connectivity 5535043-5 (Mouser order code 571-5535043-5), or 535090 which has shorter pins | |
| JP1 | 1 | 1×2 pin header | Polarized connector preferred | |
| JP2 | 1 | 1×2 pin header |
Pictures
