Support Board
About the Support Board
Support Board is an open source PCB design by FoxCutter, published on GitHub under the BSD-3-Clause license. It is a 2-layer board measuring 233.4 × 100 mm, with 39 components from 32 distinct parts.
Other key parts include the 74HC14 and Max16054. By type, the board carries 17 connectors, 6 resistors, 5 capacitors, 3 diodes, 2 ICs and 2 switches.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Repo for the 486 breadboard computer project
Main components on the Support Board
Support Board bill of materials (BOM)
39 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC14 | SO-14_5.3x10.2mm_P1.27mm | U1 |
| 1 | Max16054 | TSOT-23-6 | U2 |
| 1 | CXO_DIP14 | Oscillator_DIP-14 | X1 |
| 1 | CLK | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Front Panel IO | PinHeader_2x05_P2.54mm_Vertical | J2 |
| 1 | ATX Power | Molex_Mini-Fit_Jr_5566-24A_2x12_P4.20mm_Vertical | J3 |
| 1 | Address Bus | PinHeader_1x36_P2.54mm_Vertical | J4 |
| 1 | Data Bus | PinHeader_1x36_P2.54mm_Vertical | J5 |
| 1 | Bus Size | PinHeader_1x09_P2.54mm_Vertical | J6 |
| 1 | Control Bus | PinHeader_1x09_P2.54mm_Vertical | J7 |
| 1 | Control Lines | PinHeader_1x09_P2.54mm_Vertical | J8 |
| 1 | Input | PinHeader_1x08_P2.54mm_Vertical | J9 |
| 1 | IRQ | PinHeader_1x09_P2.54mm_Vertical | J10 |
| 1 | Bus Arbitration | PinHeader_1x05_P2.54mm_Vertical | J11 |
| 1 | Cache | PinHeader_1x07_P2.54mm_Vertical | J12 |
| 1 | Parity | PinHeader_1x05_P2.54mm_Vertical | J13 |
| 1 | CPU Not Connected | PinHeader_1x15_P2.54mm_Vertical | J14 |
| 1 | Bus Not Connected | PinHeader_1x35_P2.54mm_Vertical | J15 |
| 1 | PWR | PinHeader_1x05_P2.54mm_Vertical | J16 |
| 1 | GND | PinHeader_1x05_P2.54mm_Vertical | J17 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | DIN41612_03x32_ABC | DIN41612_R_3x32_Male_Horizontal_THT | JA1, JB1 |
| 1 | CLK LED | PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | Power | 7mm x 7mm Tactile Switch | SW1 |
| 1 | Reset | SW_PUSH_6mm | SW2 |
| 1 | CLK | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | PWR | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | STAND_BY | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | 10uF | CP_Radial_D5.0mm_P2.50mm | C1 |
| 4 | 1uf | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3, C4, C5 |
| 1 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 4 | 470 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4, R5, R6 |
Support Board design files
The KiCad project lives in the FoxCutter/486Dev repository on GitHub; these links point at the commit this page was built from.
Support Board: common questions
How big is the Support Board?
The Support Board measures 233.4 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Support Board?
39 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the Support Board design files?
From the FoxCutter/486Dev repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Support Board design in my own project?
Yes, under the terms of its BSD-3-Clause license, which FoxCutter chose for the repository.
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