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Oric

Board-Folk·Oric-Remix·Kicad/Oric.kicad_pcb

Oric PCB layout, top view — open source board by Board-Folk
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About the Oric PCB

Oric is an open source PCB design by Board-Folk, published on GitHub. It is a 2-layer board measuring 206.2 × 138.1 mm, with 127 components from 76 distinct parts.

Other key parts include the LM7805, LM386, LM358, AY-3-8912 and 6502A. By type, the board carries 42 resistors, 34 capacitors, 17 ICs, 4 diodes, 3 switches and 1 speaker.

It belongs with the audio and retro computing designs in this gallery.

From the project

Oric Remix

This repository contains the Bill-of-Materials (BOM), Gerbers and Kicad files for an updated Tangerine Oric motherboard found in the Oric-1 and Oric Atmos computers. The board is compatible for system ROM, in software and in form factor with the original board. Improvements include integration of service manual modifications, updated RAM and ROM layout and composite video, with the added intention to make it easier to build. It does not replace any of the core chips including the ULA which is still required.

Oric, from the project README
From the project README

Main components on the Oric

LM7805LM386LM358AY-3-89126502A6522AHCS1001774LS25727C512AY-3-891074LS0074LS0474LS365AD7244464

Oric bill of materials (BOM)

127 components, 76 distinct parts.

QtyPartRefs
1
LM7805
IC1
1
LM386
IC2
1
LM358
IC3
1
AY-3-8912
IC4
1
6502A
IC5
1
6522A
IC6
1
HCS10017
IC7
2
74LS257
IC8, IC20
1
27C512
IC9
1
AY-3-8910
IC10
1
74LS00
IC11
1
74LS04
IC21
1
74LS365
IC22
1
AD724
IC23
2
4464
IC30, IC31
1
SND
LK4
1
Volume
LK5
1
SYSTEM RESET
LK6
1
AD2071/Z25
LS1
1
Printer
PL1
Show 56 more
QtyPartRefs
1
~
PL2
1
Keyboard
PL3
1
D51A05P
RL1
1
2K2
RP1
1
220R
RP2
1
10K
RP3
1
VOLUME
RV2
1
RGB
SK1
1
Tape
SK2
1
9V DC Input
SK3
1
AV Out
SK4
1
C1531
SK5
1
RESET
SW1
1
SELECT
SW2
1
RESET
SW3
3
BC549
TR1, TR2, TR3
2
BC547
TR4, TR5
1
BC337
TR6
1
TIP29
TR7
1
5-20pF
VC1
1
12MHz
XT1
1
4.43MHz
XT2
1
1N4148
D1
1
7.5V
D30
1
MOTOR
D31
1
POWER
D32
1
22uF
C1
15
47nF
C2, C6, C7, C10, C11, C12, C13, C14 +7
2
100uF TANT
C3, C36
1
2.2uF
C4
1
10nF
C5
1
100uF 10V
C8
1
220nF
C9
2
2.2nF
C19, C101
1
10uF 10V
C21
1
220uF
C24
6
100nF
C25, C28, C30, C31, C32, C37
1
120pF
C26
1
10pF
C33
1
10R
R1
1
910R
R2
9
1K
R4, R7, R9, R10, R11, R13, R53, R56 +1
7
10K
R5, R40, R41, R42, R43, R45, R47
1
220K
R6
1
100K
R8
1
22K
R12
2
47K
R24, R25
1
2K2
R26
3
220R
R30, R50, R51
1
560R
R31
4
75R
R32, R34, R35, R36
1
10M
R33
3
270R
R37, R38, R39
2
2K4
R44, R49
2
5K6
R46, R48
2
1K5
R54, R55

Oric design files

The KiCad project lives in the Board-Folk/Oric-Remix repository on GitHub; these links point at the commit this page was built from.

Oric: common questions

How big is the Oric PCB?

The Oric measures 206.2 × 138.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Oric?

127 components, from 76 distinct parts. The full bill of materials is listed on this page.

Where can I download the Oric design files?

From the Board-Folk/Oric-Remix repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Oric design in my own project?

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

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