Svi coleco adapter

popolonx·MSX_STUFF·svi32x_coleco_adapter/svi_coleco_adapter.kicad_pcb

Svi coleco adapter PCB layout, top view — open source board by popolonx

About the Svi coleco adapter PCB

Svi coleco adapter is an open source PCB design by popolonx, published on GitHub. It is a 2-layer board measuring 250 × 100 mm, with 70 components from 35 distinct parts.

Other key parts include the 74LS244, 74LS32, 74LS00, 74LS138 and LM741. By type, the board carries 26 capacitors, 23 resistors, 11 ICs, 4 diodes, 2 connectors and 2 transformers.

It belongs with the retro computing designs in this gallery.

From the project

SVI-603 colecovision adapter drawn from pdf schematics: https://www.samdal.com/SVIDOCS/STM-F_SVI603.pdf -coleco cartridge connector is using 2.54mm row spacing -spectravideo side cartridge connector is using 5.08mm row spacing

Main components on the Svi coleco adapter

74LS244 74LS32 74LS00 74LS138 LM741 SN76489 27C256 L79L05

Svi coleco adapter bill of materials (BOM)

70 components, 35 distinct parts.

Qty	Part	Footprint	Refs
2	74LS244	DIP-20_W7.62mm_LongPads	U1, U2
1	74LS32	DIP-14_W7.62mm_LongPads	U3
2	74LS00	DIP-14_W7.62mm_LongPads	U4, U5
2	74LS138	DIP-16_W7.62mm_LongPads	U6, U7
1	LM741	DIP-8_W7.62mm_LongPads	U8
1	SN76489	DIP-16_W7.62mm_LongPads	U9
1	27C256	DIP-28_W15.24mm	U10
1	L79L05	PinHeader_1x03_P2.54mm_Vertical	U11
1	COLECO cartridge slot	COLECO_30_PIN_5_02	J3
1	SVI external bus connector	SVI_50PIN	J4
1	NPN_CBE_BC547B (was 9014B)	PinHeader_1x03_P2.54mm_Vertical	T1
1	NPN_CBE_BC547B (was 9014B)	PinHeader_1x03_P2.54mm_Vertical	T2
2	1N4148	D_DO-35_SOD27_P7.62mm_Horizontal	D1, D2
1	1N4401	D_DO-41_SOD81_P10.16mm_Horizontal	D3
1	1N4001	D_DO-41_SOD81_P10.16mm_Horizontal	D4
2	L	L_Axial_L7.0mm_D3.3mm_P10.16mm_Horizontal_Fastron_MICC	L1, L2
13	100nf	C_Disc_D7.0mm_W2.5mm_P5.00mm	C1, C5, C7, C12, C19, C30, C31, C32 +5
4	10nF	C_Disc_D7.0mm_W2.5mm_P5.00mm	C2, C4, C6, C16
2	1nF	C_Disc_D7.0mm_W2.5mm_P5.00mm	C3, C9
2	100pF	C_Disc_D7.0mm_W2.5mm_P5.00mm	C8, C14

Show 15 more

Qty	Part	Footprint	Refs
2	100uf/16v	CP_Radial_D12.5mm_P5.00mm	C11, C24
2	2.2uf	C_Disc_D7.0mm_W2.5mm_P5.00mm	C15, C21
1	4.7uf/16v	CP_Radial_D8.0mm_P5.00mm	C20
4	1K8	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R1, R2, R6, R11
4	10K	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R3, R7, R40, R41
2	100K	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R4, R5
2	270R	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R8, R10
1	120	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R9
2	22K	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R12, R14
1	560R	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R13
1	250	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R15
1	3K3	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R16
1	10R	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R17
2	2K2	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R18, R19
2	22Kx7	R_Array_SIP8	RN1, RN2

Svi coleco adapter design files

The KiCad project lives in the popolonx/MSX_STUFF repository on GitHub; these links point at the commit this page was built from.

Layoutsvi32x_coleco_adapter/svi_coleco_adapter.kicad_pcb

Svi coleco adapter: common questions

How big is the Svi coleco adapter PCB?

The Svi coleco adapter measures 250 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Svi coleco adapter?

70 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the Svi coleco adapter design files?

From the popolonx/MSX_STUFF repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Svi coleco adapter design in my own project?

The repository has no license, so all rights stay with popolonx. Use it as a reference, and ask the author before reusing the design.

More boards in MSX_STUFF

Similar boards