ISA adapter
About the ISA adapter PCB
ISA adapter is an open source PCB design by polpo, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 102.9 × 96.8 mm, with 12 components from 9 distinct parts.
Other key parts include the 74HC14. By type, the board carries 5 connectors, 4 resistors, 1 IC and 1 capacitor.
It belongs with the wearables designs in this gallery.
From the project
Emulation of ISA sound cards and CD-ROM on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS, Panasonic CD-ROM) with USB mouse/joystick support
ISA sound card and CD-ROM drive emulation on the Raspberry Pi Pico's RP2040 microcontroller. PicoGUS can emulate:
Gravis Ultrasound (GUS) - the primary focus of PicoGUS, hence the name Sound Blaster 16 (OPL3) / Sound Blaster Pro 2 (OPL3) / AdLib (OPL2) MPU-401 (with intelligent mode) - outputs MIDI data on 3.5mm MIDI TRS connector Tandy 3-voice CMS/Game Blaster Game port joystick * Panasonic/MKE CD-ROM
Main components on the ISA adapter
ISA adapter bill of materials (BOM)
12 components, 9 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC14 | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | CONN_02X30_ODD_EVEN Conn_02x30_Odd_Even | Hand386_PicoGUS | J1 |
| 1 | BUS_ISA_8BIT Bus_ISA_8bit | BUS_PC | J3 |
| 1 | IRQDMA_JP | PinHeader_2x09_P2.54mm_Vertical | J4 |
| 1 | Wavetable | Wavetable | J5 |
| 1 | AUDIOJACK3 AudioJack3 | Jack_3.5mm_CUI_SJ1-3535NG_Horizontal | J6 |
| 1 | 10K | RK10J12R0A0B | RV1 |
| 1 | 100NF 100nF | C_0805_2012Metric | C1 |
| 4 | 1K | R_0805_2012Metric | R1, R2, R3, R4 |
ISA adapter design files
The KiCad project lives in the polpo/picogus repository on GitHub; these links point at the commit this page was built from.
ISA adapter: common questions
How big is the ISA adapter PCB?
The ISA adapter measures 102.9 × 96.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ISA adapter?
12 components, from 9 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 ISA adapter design files?
From the polpo/picogus repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the ISA adapter design in my own project?
Yes, under the terms of its GPL-2.0 license, which polpo chose for the repository.
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