Rosco m68k
About the Rosco m68k PCB
Rosco m68k is an open source PCB design by rosco-m68k, published on GitHub under the BSD-3-Clause license. It is a board measuring 160 × 100 mm, with 74 components from 36 distinct parts.
Other key parts include the MC68010P10, ATF16V8BQL-15PU, MC68901P, 74174N and 74LS93. By type, the board carries 27 capacitors, 20 resistors, 13 ICs, 5 connectors, 4 LEDs and 3 transistors.
It belongs with the retro computing designs in this gallery.
From the project
Design, documentation and software for the Really Old School Computer (M68K)
This repository holds design files, firmware and software for the Really Old-School Computer (M68k) single-board computer, AKA the rosco_m68k. This is a fully-featured, programmable, extensible and capable 16/32-bit retro computer that is completely open source.
This project contains all the design files and source code for the project. For documentation (including assembly instructions) please see the getting started guide.
Main components on the Rosco m68k
Rosco m68k bill of materials (BOM)
74 components, 36 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MC68010P10 | DIL64 | IC1 |
| 3 | ATF16V8BQL-15PU | DIL20 | IC2, IC3, IC5 |
| 1 | MC68901P | DIL48 | IC4 |
| 1 | 74174N | DIP-16_W7.62mm_Socket_LongPads | IC6 |
| 1 | 74LS93 | DIP-14_W7.62mm_Socket_LongPads | IC7 |
| 1 | SN74LVC2G17 555N | DIP-8_W7.62mm_LongPads | IC8 |
| 1 | SN74LVC2G17 74LS01N | DIP-14_W7.62mm_Socket_LongPads | IC9 |
| 2 | AT28C256-15PU | DIP-28_W15.24mm_LongPads | U1, U2 |
| 2 | AS6C4008-55PCN | DIP-32_W15.24mm_LongPads | U3, U4 |
| 1 | 3.6864MHz | HC49_S | Q1 |
| 1 | 5H8ET-10.000 | Oscillator_DIP-8 | Q2 |
| 1 | 5H8ET-4.000 | Oscillator_DIP-8 | Q3 |
| 1 | PWR | 1X02 | J1 |
| 2 | Conn_01x06 | 1X06 | J2, J4 |
| 1 | Conn_02x32_Odd_Even | PinHeader_2x32_P2.54mm_Vertical | J3 |
| 1 | GPIO-PANEL | PinHeader_2x08_P2.54mm_Vertical | J5 |
| 1 | FTDI POWER | 1X02 | JP1 |
| 1 | 10-XX | B3F-10XX | S1 |
| 2 | GREEN | LED5MM | LED1, LED3 |
| 2 | RED | LED5MM | LED2, LED4 |
Show 16 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 7PF 33pF | C2.5-3 | C1, C2 |
| 14 | 100NF 100nF | C2.5-3 | C3, C4, C5, C6, C7, C8, C9, C12 +6 |
| 1 | 100NF 100uF | E2,5-5 | C10 |
| 1 | 100nF | C2.5-3 | C11 |
| 5 | 100uF | E2,5-5 | C14, C15, C17, C18, C19 |
| 1 | 4.7UF 100uF | E2,5-5 | C16 |
| 2 | 4.7UF 100nF | C2.5-3 | C20, C23 |
| 1 | 470uF | E3,5-10 | C21 |
| 4 | 330R | 0207_10 | R1, R2, R13, R14 |
| 9 | 4K7 | 0207_10 | R3, R7, R8, R9, R10, R15, R16, R17 +1 |
| 2 | 5.1K 4K7 | 0207_10 | R4, R5 |
| 1 | 4K7 | 0207_10 | R6 |
| 1 | 10K 2K2 | 0207_10 | R11 |
| 1 | 4K7 270R | 0207_10 | R12 |
| 1 | 10K | 0207_10 | R19 |
| 1 | 1K2 2K2 | 0207_10 | R21 |
Rosco m68k design files
The KiCad project lives in the rosco-m68k/rosco_m68k repository on GitHub; these links point at the commit this page was built from.
Rosco m68k: common questions
How big is the Rosco m68k PCB?
The Rosco m68k measures 160 × 100 mm and is 1.6 mm thick.
How many components are on the Rosco m68k?
74 components, from 36 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Rosco m68k design files?
From the rosco-m68k/rosco_m68k repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Rosco m68k design in my own project?
Yes, under the terms of its BSD-3-Clause license, which rosco-m68k chose for the repository.
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