Imac g3 slot loading J22 adapter board
About the Imac g3 slot loading J22 adapter board
Imac g3 slot loading J22 adapter board is an open source PCB design by qbancoffee, published on GitHub under the LGPL-3.0 license. It is a 2-layer board measuring 65 × 30 mm, with 8 components from 7 distinct parts.
By type, the board carries 4 connectors, 3 resistors and 1 capacitor.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
iMac G3 IVAD board initialization with an arduino
These are the KiCAD project files for this project.
-imacg3333mhzslotloadingJ20adapter_board This board is the "brains" of the operation, it sends the init sequence to the IVAD board and also sends EDID information to any device that requests it when conencted to the VGA port.
-imacg3downconverterboard_adapter This board takes 24VAC from the analog board via the the J22 board and converts it to standard computer power supply voltages. +12VDC, +5VDC and +3.3VDC. This board also has a footprint to include a connector to connect a CPU fan.
Imac g3 slot loading J22 adapter board bill of materials (BOM)
8 components, 7 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_02x13_Odd_Even | PinHeader_2x13_P2.54mm_Vertical | J1 |
| 1 | Screw_Terminal_01x10 | TerminalBlock_Phoenix_PT-1,5-10-5.0-H_1x10_P5.00mm_Horizontal | J2 |
| 1 | AudioJack3 | Jack_3.5mm_CUI_SJ1-3533NG_Horizontal_CircularHoles | J3 |
| 1 | Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J4 |
| 1 | 1uF | CP_Radial_D4.0mm_P1.50mm | C1 |
| 2 | 220 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2 |
| 1 | 2.2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
Imac g3 slot loading J22 adapter board design files
The KiCad project lives in the qbancoffee/imac_g3_ivad_board_init repository on GitHub; these links point at the commit this page was built from.
Imac g3 slot loading J22 adapter board: common questions
How big is the Imac g3 slot loading J22 adapter board?
The Imac g3 slot loading J22 adapter board measures 65 × 30 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Imac g3 slot loading J22 adapter board?
8 components, from 7 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 Imac g3 slot loading J22 adapter board design files?
From the qbancoffee/imac_g3_ivad_board_init repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Imac g3 slot loading J22 adapter board design in my own project?
Yes, under the terms of its LGPL-3.0 license, which qbancoffee chose for the repository.
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