Bus Card
About the Bus Card PCB
Bus Card is an open source PCB design by Synthron, published on GitHub. It is a 4-layer board measuring 350 × 108 mm, with 95 components from 12 distinct parts.
Other key parts include the SY317, SA39-11EWA and GAL16V8. By type, the board carries 54 resistors, 17 connectors, 14 ICs, 6 capacitors, 2 switches and 2 diodes.
It belongs with the retro computing designs in this gallery.
From the project
Yet another 8bit Retro Computer
Completely bloated, overkill and fully hackable!
- [x] Finish Hardware - Software - [ ] WozMon - [x] Implement Serial IO - [x] Implement Input Buffer - [ ] extended for block write - [ ] Kernel Functions - [ ] General SysCalls - [ ] Hardware Drivers - [x] RAM-Kernel - [x] Basic - [x] EhBasic - [ ] File System - [ ] Operating System - Hardware - [ ] order PCBs - [ ] order parts - [ ] solder together
Main components on the Bus Card
Bus Card bill of materials (BOM)
95 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | SY317 | TO-220-3_Vertical | U1, U2 |
| 6 | SA39-11EWA | Sx39-1xxxxx | U3, U5, U7, U9, U11, U13 |
| 6 | GAL16V8 | DIP-20_W7.62mm_Socket_LongPads | U4, U6, U8, U10, U12, U14 |
| 1 | DC In | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J1 |
| 16 | Bus_PCI_6502 | TE_5145154-4 | J3, J4, J5, J6, J7, J8, J9, J10 +8 |
| 1 | RESET | SW_PUSH_6mm | SW1 |
| 1 | NMI | SW_PUSH_6mm | SW2 |
| 2 | LED | LED_0805_2012Metric | D1, D2 |
| 6 | 100n | C_0805_2012Metric | C1, C2, C3, C4, C5, C6 |
| 44 | 1k | R_0805_2012Metric | R1, R2, R7, R8, R9, R10, R11, R12 +36 |
| 4 | 10k | R_0805_2012Metric | R3, R4, R5, R6 |
| 6 | 10k | R_Array_SIP9 | RN1, RN2, RN3, RN4, RN5, RN6 |
Bus Card design files
The KiCad project lives in the Synthron/S65 repository on GitHub; these links point at the commit this page was built from.
Bus Card: common questions
How big is the Bus Card PCB?
The Bus Card measures 350 × 108 mm, has 4 copper layers and is 2.6062 mm thick.
How many components are on the Bus Card?
95 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the Bus Card design files?
From the Synthron/S65 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Bus Card design in my own project?
The repository has no license, so all rights stay with Synthron. Use it as a reference, and ask the author before reusing the design.
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