Pcjr schematics
About the Pcjr schematics PCB
Pcjr schematics is an open source PCB design by dbalsom, published on GitHub under the CC0-1.0 license. It is a board, with 38 components from 22 distinct parts.
By type, the board carries 17 resistors, 2 capacitors and 1 crystal.
From the project
KiCad Schematics for the IBM PCjr
This is a reproduction of the IBM PCjr schematics from the PCjr Technical Reference in KiCad v9.0.
No PCB, sorry. One might be attempted at a later date. Feel free to take this and go for it.
If you'd rather not install KiCad, you can download a PDF version.
I make no claim to the copyright of any of these files since this was originally IBM's intellectual property. If you need a license, use CC0.
Pcjr schematics bill of materials (BOM)
38 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Crystal_Small | Y1 | |
| 1 | ~ | D_DO-35_SOD27_P7.62mm_Horizontal | CR1 |
| 1 | 74LS08 | ZM1 | |
| 1 | 74LS86 | ZM6 | |
| 1 | 8284A | DIP-18_W7.62mm | ZM8 |
| 1 | 74LS125 | ZM13 | |
| 1 | 8259A | DIP-28_W15.24mm | ZM32 |
| 2 | 74LS04 | ZM33, ZM44 | |
| 2 | 74LS112 | ZM34, ZM54 | |
| 1 | 74LS74 | ZM35 | |
| 1 | 74LS32 | ZM39 | |
| 1 | 8088 | DIP-40_W15.24mm | ZM40 |
| 2 | 74LS373 | ZM49, ZM57 | |
| 1 | 74LS02 | ZM53 | |
| 1 | 74LS257 | ZM59 | |
| 1 | 74LS245 | ZM66 | |
| 1 | C_Trim_Small | C11 | |
| 1 | 10uF | C23 | |
| 7 | 22kΩ | R1, R35, R48, R58, R62, R71, R72 | |
| 2 | 510Ω | R2, R3 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | 10kΩ | R33, R40, R47, R63, R73, R74, R83 | |
| 1 | 3.3KΩ | R50 |
Pcjr schematics design files
The KiCad project lives in the dbalsom/pcjr_schematics repository on GitHub; these links point at the commit this page was built from.
- Schematicsheet_01.kicad_sch
Pcjr schematics: common questions
How many components are on the Pcjr schematics?
38 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Pcjr schematics design files?
From the dbalsom/pcjr_schematics repository on GitHub, which has the schematic; the links under Design files point to each one.
Can I use the Pcjr schematics design in my own project?
Yes, under the terms of its CC0-1.0 license, which dbalsom chose for the repository.