Retro PCBs Wiki - builderpages:speed3ple https://retrobrewcomputers.bonedaddy.net/ 2026-07-31T16:30:43+00:00 Retro PCBs Wiki https://retrobrewcomputers.bonedaddy.net/ https://retrobrewcomputers.bonedaddy.net/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-06-15T13:20:54+00:00 Anonymous (anonymous@undisclosed.example.com) diskiov3 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:diskiov3&rev=1781529654&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:diskiov3 Snapshot date: 2025-11-17 Generator : wayback-archiver */ ECB DiskIO v3 Text text/html 2026-06-15T13:21:00+00:00 Anonymous (anonymous@undisclosed.example.com) dsky https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:dsky&rev=1781529660&do=diff /* Imported from Wayback Machine Original URL : https://www.retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:dsky Snapshot date: 2025-03-15 Generator : wayback-archiver */ DSKY PCB is marked with “v3” but it seems like this is in fact the same as v2. I just uploaded the gerbers directly to JLCPCB without any modification. text/html 2026-06-15T13:21:11+00:00 Anonymous (anonymous@undisclosed.example.com) easy-z80 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:easy-z80&rev=1781529671&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:easy-z80 Snapshot date: 2026-01-20 Generator : wayback-archiver */ Easy-Z80 A nice little Z80 board with dual serial port and CTC! text/html 2026-06-15T13:21:17+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-4pio-r04 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-4pio-r04&rev=1781529677&do=diff /* Imported from Wayback Machine Original URL : https://www.retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-4pio-r04 Snapshot date: 2025-12-16 Generator : wayback-archiver */ ECB 4PIO r04 Update 16.Apr.2021: I checked the errata again and did some more fix + tests. I still have some weird outputs on a few ports. (more details below) text/html 2026-06-15T13:21:18+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-atb https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-atb&rev=1781529678&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-atb Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB ATB Active Termination Board I've completed the new ATB version and done some simple tests with my scope on the ECB bus. text/html 2026-06-15T13:21:25+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-backplane4 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-backplane4&rev=1781529685&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-backplane4 Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB Backplane 4: Text Images text/html 2026-06-15T13:21:32+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-backplane8 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-backplane8&rev=1781529692&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-backplane8 Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB Backplane 8 Text Images text/html 2026-06-15T13:21:27+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-bp-12 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-bp-12&rev=1781529687&do=diff /* Imported from Wayback Machine Original URL : https://www.retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-bp-12 Snapshot date: 2026-03-08 Generator : wayback-archiver */ ECB backplane 12 slots Siemens 505-6508 A case for my ECB boards! text/html 2026-06-15T13:21:35+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-cassetteif https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-cassetteif&rev=1781529695&do=diff /* Imported from Wayback Machine Original URL : https://www.retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-cassetteif Snapshot date: 2025-12-12 Generator : wayback-archiver */ ECB-Cassette IF Text text/html 2026-06-15T13:21:36+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-dualsd https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-dualsd&rev=1781529696&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-dualsd Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB DualSD card PCB made by JLCPCB from the new Gerber files, but had to rename some files and re-zip before uploading. text/html 2026-06-15T13:21:42+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-ecb-bus-monitor https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-ecb-bus-monitor&rev=1781529702&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-ecb-bus-monitor Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB Bus Monitor - Blinkenlights! Board built, all the LEDs blinks very nice, but I don't understand how to use this board fully. text/html 2026-06-15T13:21:45+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-kiss-68030 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-kiss-68030&rev=1781529705&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-kiss-68030 Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB KISS 68030 project page Text text/html 2026-06-15T13:21:45+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-mf-pic https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-mf-pic&rev=1781529705&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-mf-pic Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB MF-PIC Board A companion board for my KISS-68030 Linux board with serial, interrupt controller, RTC, IDE interface text/html 2026-06-15T13:21:54+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-propio-v2 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-propio-v2&rev=1781529714&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-propio-v2 Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB-PropIO v2: I can't get the firmware version on RomWBW 2.9.2 (0.96) to work properly? Runs fine with fw v0.95. text/html 2026-06-15T13:21:52+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-prototype-iii https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-prototype-iii&rev=1781529712&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-prototype-iii Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB Prototype III Ready to experiment with these, I have some plans… text/html 2026-06-15T13:21:53+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-ramfloppy https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-ramfloppy&rev=1781529713&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-ramfloppy Snapshot date: 2025-12-08 Generator : wayback-archiver */ ECB RamFloppy board: This is the R11 version. Built with 8 x AS6C4008-55 and a mix of HC, AHCT and LS logic. text/html 2026-06-15T13:22:02+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-sbc-v2-004z https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-sbc-v2-004z&rev=1781529722&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-sbc-v2-004z Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB SBC v2 004z: Update: 20Mhz seems to be stable when using AHCT chips. text/html 2026-06-15T13:22:05+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-sbc-v5i https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-sbc-v5i&rev=1781529725&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-sbc-v5i Snapshot date: 2024-10-06 Generator : wayback-archiver */ ECB SBC v5i (Megaflash edition) I just got boards for this design and got one working. text/html 2026-06-15T13:22:05+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-usb-fifo https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-usb-fifo&rev=1781529725&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-usb-fifo Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB USB FiFo board I'm still trying to get this to work… Maybe with newer RomWBW and some clever settings? text/html 2026-06-15T13:22:14+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-vdu https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-vdu&rev=1781529734&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-vdu Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB VDU Board Old school composite video board under construction… I have found an old TV set from the 70's that might work, but no luck so far… text/html 2026-06-15T13:22:16+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-vga3 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-vga3&rev=1781529736&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-vga3 Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB-VGA3 Text text/html 2026-06-15T13:22:14+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-z180mk4 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-z180mk4&rev=1781529734&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-z180mk4 Snapshot date: 2025-02-12 Generator : wayback-archiver */ ECB SBC Z180 mark IV / mk4 What a wonderful design! Has both SD card and IDE interface onboard, fast and easy to build. I love it! text/html 2026-06-15T13:22:22+00:00 Anonymous (anonymous@undisclosed.example.com) ecb-zilog-p https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:ecb-zilog-p&rev=1781529742&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:ecb-zilog-p Snapshot date: 2025-11-17 Generator : wayback-archiver */ ECB-Zilog-Peripherals v2.0 Built with DART, CTC and 2 x PIO. text/html 2026-06-15T13:22:47+00:00 Anonymous (anonymous@undisclosed.example.com) start https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:start&rev=1781529767&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:start Snapshot date: 2023-10-02 Generator : wayback-archiver */ Project page for speed3ple: Mostly Z80 ECB stuff here… System/Board text/html 2026-06-15T13:22:24+00:00 Anonymous (anonymous@undisclosed.example.com) z80-grants https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:z80-grants&rev=1781529744&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:z80-grants Snapshot date: 2024-10-06 Generator : wayback-archiver */ Z80 Grant Searle based board A fun little project I got from ebay some time ago. text/html 2026-06-15T13:22:29+00:00 Anonymous (anonymous@undisclosed.example.com) z80-trainer https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:z80-trainer&rev=1781529749&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:z80-trainer Snapshot date: 2025-02-12 Generator : wayback-archiver */ Z80 Trainer by smbaker 4 layer board (185mm x 204mm) Z80 CPU running at 7.372Mhz, 512Kb RAM and 512Kb ROM. text/html 2026-06-15T13:22:34+00:00 Anonymous (anonymous@undisclosed.example.com) zeta2 https://retrobrewcomputers.bonedaddy.net/doku.php?id=builderpages:speed3ple:zeta2&rev=1781529754&do=diff /* Imported from Wayback Machine Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:speed3ple:zeta2 Snapshot date: 2025-02-12 Generator : wayback-archiver */ Zeta 2 / ParPortProp unit: PCB in black color. Using FDU oscillator at 16Mhz as CPU clock. SD card on the ParPortProp as storage.