BasicSerial
JayesonLS·ISA-Cards·BasicSerial/BasicSerial.kicad_pcb
About the BasicSerial PCB
BasicSerial is an open source PCB design by JayesonLS, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 73 mm, with 14 components from 10 distinct parts.
Other key parts include the C146583, 74HCT245, C386895 and DS1315. By type, the board carries 7 capacitors, 4 ICs and 3 connectors.
It belongs with the retro computing designs in this gallery.
From the project
ISA Card Designs for Use in Vintage PCs
ISA card designs for use in Vintage PCs.
Description: A template from which to build ISA cards. The board dimensions around the edge connector are from an early IBM PC Technical Reference Manual (5150 or 5160). The rear bracket positioning has been measured from an original IBM floppy controller taken from an IBM 5150. This board was an excellent fit when test-fitted in an early Tandy 1000 (25-1000).

Main components on the BasicSerial
BasicSerial bill of materials (BOM)
14 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C146583 16550/16C550 | DIP-40_W15.24mm_Socket | U1 |
| 1 | 74HCT245 74LS688, 74HCT688 or GAL16V8 | DIP-20_W7.62mm_Socket | U2 |
| 1 | C386895 GD75232N | DIP-20_W7.62mm_Socket | U3 |
| 1 | DS1315 1.8432 MHz | Crystal_DIP8_DIP14 | U4 |
| 1 | DB9 Male | DB_9M | CN1 |
| 1 | COM_SELECT | PinHeader_3x02_P2.54mm_Vertical | J1 |
| 1 | IRQ_SELECT | PinHeader_2x05_P2.54mm_Vertical | J2 |
| 4 | 0.1UF 0.1uF | C_Disc_D5.1mm_W3.2mm_P5.00mm | C1, C2, C3, C4 |
| 1 | 0.1UF 22uF | CP_Radial_D7.5mm_P2.50mm | C5 |
| 2 | 0.1UF 4.7uF | CP_Radial_D7.5mm_P2.50mm | C6, C7 |
BasicSerial design files
The KiCad project lives in the JayesonLS/ISA-Cards repository on GitHub; these links point at the commit this page was built from.
BasicSerial: common questions
How big is the BasicSerial PCB?
The BasicSerial measures 100 × 73 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BasicSerial?
14 components, from 10 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 BasicSerial design files?
From the JayesonLS/ISA-Cards repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the BasicSerial design in my own project?
Yes, under the terms of its MIT license, which JayesonLS chose for the repository.
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