Omega mainboard1.3eu
About the Omega mainboard1.3eu PCB
Omega mainboard1.3eu is an open source PCB design by msx-solis, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 333.4 × 149.9 mm, with 252 components from 103 distinct parts.
Other key parts include the Z84C00, 82C55, V9938/V9958, YM2149 and RP5C01. By type, the board carries 94 capacitors, 49 ICs, 48 resistors, 14 connectors, 12 jumpers and 3 crystals.
From the project
update for the OMEGA HOME COMPUTER mainboard pcb.
Main components on the Omega mainboard1.3eu
Omega mainboard1.3eu bill of materials (BOM)
252 components, 103 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Z84C00 | IC_DIP40_600 | U1 |
| 1 | 82C55 | IC_DIP40_600 | U2 |
| 1 | V9938/V9958 | IC_SDIP64_600 | U3 |
| 1 | YM2149 | IC_DIP40_600 | U4 |
| 1 | RP5C01 | IC_DIP18_300 | U5 |
| 1 | SST39SF040 | IC_DIP32_600 | U6 |
| 1 | AS6C4008 | IC_DIP32_600 | U7 |
| 4 | D41464 | IC_DIP18_300 | U8, U9, U10, U11 |
| 3 | ATF16V8B | IC_DIP20_300 | U12, U13, U14 |
| 4 | 74HCT670 | IC_DIP16_300 | U15, U16, U17, U18 |
| 3 | 74F541 | IC_DIP20_300 | U19, U20, U21 |
| 1 | 74HCT540 | IC_DIP20_300 | U22 |
| 2 | 74HCT273 | IC_DIP20_300 | U23, U24 |
| 2 | 74F245 | IC_DIP20_300 | U25, U26 |
| 1 | 74HCT175 | IC_DIP16_300 | U27 |
| 2 | 74HCT157 | IC_DIP16_300 | U28, U29 |
| 2 | 74HCT153 | IC_DIP16_300 | U30, U31 |
| 1 | 74AHCT138 | IC_DIP16_300 | U32 |
| 1 | 74AHCT125 | IC_DIP14_300 | U33 |
| 3 | 74HCT74 | IC_DIP14_300 | U34, U35, U36 |
Show 83 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 74AHCT32 | IC_DIP14_300 | U37, U38, U39 |
| 2 | 74HCT30 | IC_DIP14_300 | U40, U41 |
| 1 | 74LS07 | IC_DIP14_300 | U42 |
| 1 | 74HCT04 | IC_DIP14_300 | U43 |
| 1 | 74AHCT02 | IC_DIP14_300 | U44 |
| 1 | 74HCT00 | IC_DIP14_300 | U45 |
| 1 | ADM691A | IC_DIP16_300 | U46 |
| 1 | CXA1645 | IC_DIP24_400 | U47 |
| 1 | MCP6281 | IC_DIP8_300 | U48 |
| 1 | LM311 | IC_DIP8_300 | U49 |
| 2 | PN2907A | Transistor_TO92_EBC_254 | Q1, Q2 |
| 1 | 21.477270MHz | Crystal_HC-49U_Vert | Y1 |
| 1 | 32768 Hz | Crystal_32K_Horiz | Y2 |
| 1 | 4.433618MHz | Crystal_HC-49U_Vert | Y3 |
| 1 | 5V | Conn_Power_Jack_Circular_Pads | J1 |
| 1 | Composite | Conn_RCA_Right | J2 |
| 1 | Audio | Conn_RCA_Right | J3 |
| 1 | S-VIDEO | Conn_Mini_DIN_4pin | J4 |
| 1 | RGB | DIN8 | J5 |
| 1 | Cassette | DIN8 | J6 |
| 1 | JOYSTICK_A | Conn_Dsub_DE9M | J7 |
| 1 | JOYSTICK_B | Conn_Dsub_DE9M | J8 |
| 1 | PRINTER | Conn_Micro_Ribbon_14F | J9 |
| 1 | POWER | Conn_Friction_Lock_8P_2.54mm | J10 |
| 1 | KEYBOARD | Conn_Pin_Header_8x2_2.54mm | J11 |
| 1 | RAM_EXT | Conn_Pin_Header_20x2_2.54mm | J12 |
| 1 | ~RST~/~NMI | Conn_Pin_Header_2x2_2.54mm | J13 |
| 1 | CBUS | Conn_Pin_Header_13x1_2.54mm | J14 |
| 1 | CR2032 | Battery_Holder_CR2032_Universal | BT1 |
| 1 | 750mA | Cap_Cer_508 | F1 |
| 11 | HOLE | Hole_3mm | HOLE1, HOLE2, HOLE3, HOLE4, HOLE5, HOLE6, HOLE7, HOLE8 +3 |
| 1 | ROM_A18 | Conn_Pin_Header_2x1_2.54mm | JP1 |
| 1 | KBD_TYPE | Conn_Pin_Header_2x1_2.54mm | JP2 |
| 2 | V9938/V9958 | Conn_Pin_Header_3x1_2.54mm | JP3, JP4 |
| 2 | NTSC/PAL | Conn_Pin_Header_3x1_2.54mm | JP5, JP6 |
| 1 | 1Mb | PinHeader_1x03_P2.54mm_Vertical | JP7 |
| 1 | 2Mb | PinHeader_1x03_P2.54mm_Vertical | JP8 |
| 1 | 4Mb | PinHeader_1x03_P2.54mm_Vertical | JP9 |
| 1 | 4Mb | PinHeader_1x02_P2.54mm_Vertical | JP10 |
| 1 | 2Mb | PinHeader_1x02_P2.54mm_Vertical | JP11 |
| 1 | 1Mb | PinHeader_1x02_P2.54mm_Vertical | JP12 |
| 4 | 10k | Conn_SIL10 | RR1, RR2, RR3, RR4 |
| 3 | 4.7k | Conn_SIL10 | RR5, RR6, RR7 |
| 1 | 4.7k | Conn_SIL6 | RR8 |
| 1 | 470 | Conn_SIL6 | RR9 |
| 1 | 4.7k | R_Array_SIP6 | RR10 |
| 1 | Relay_5V | Relay_SPDT | RY1 |
| 2 | MSX_SLOT_HOST | Conn_Edge_50P | SLOT1, SLOT2 |
| 1 | 1N4148 | Diode_762 | D1 |
| 1 | 68uH | Res_762 | L1 |
| 2 | 5.6uH | Res_762 | L2, L3 |
| 58 | 0.1uF | Cap_Cer_508 | C1, C2, C3, C4, C5, C6, C7, C8 +50 |
| 6 | 220uF | Cap_Elec_Radial_10mm | C59, C60, C61, C62, C63, C64 |
| 3 | 100uF | Cap_Elec_Radial_6.3mm | C65, C66, C67 |
| 3 | 10uF | Cap_Pol_508_3 | C68, C69, C70 |
| 7 | 10uF | Cap_Elec_Radial_5mm | C71, C72, C73, C74, C75, C76, C77 |
| 1 | 1uF | Cap_Elec_Radial_5mm | C78 |
| 2 | 22nF | Cap_Cer_508 | C79, C80 |
| 1 | 1.5nF | Cap_Cer_508 | C81 |
| 3 | 330pF | Cap_Cer_508 | C82, C83, C84 |
| 1 | 47pF | Cap_Cer_508 | C85 |
| 2 | 33pF | Cap_Cer_508 | C86, C87 |
| 3 | 30pF | C_Trim_Murata | C88, C89, C90 |
| 1 | 27pF | Cap_Cer_508 | C91 |
| 2 | 22pF | Cap_Cer_508 | C92, C93 |
| 1 | 4.7pF | Cap_Cer_508 | C94 |
| 1 | 1M | Res_762 | R1 |
| 2 | 470k | Res_762 | R2, R3 |
| 1 | 220k | Res_762 | R4 |
| 2 | 100k | Res_762 | R5, R6 |
| 2 | 47k | Res_762 | R7, R8 |
| 2 | 20k | Res_762 | R9, R10 |
| 4 | 10k | Res_762 | R11, R12, R13, R14 |
| 1 | 5.6k | Res_762 | R15 |
| 7 | 4.7k | Res_762 | R16, R17, R18, R19, R20, R21, R22 |
| 2 | 2.7k | Res_762 | R23, R24 |
| 2 | 2.2k | Res_762 | R25, R26 |
| 7 | 1k | Res_762 | R27, R28, R29, R30, R31, R32, R33 |
| 1 | 470 | Res_762 | R34 |
| 1 | 180 | Res_762 | R35 |
| 1 | 120 | Res_762 | R36 |
| 6 | 100 | Res_762 | R37, R38, R39, R40, R41, R42 |
| 6 | 75 | Res_762 | R43, R44, R45, R46, R47, R48 |
Omega mainboard1.3eu design files
The KiCad project lives in the msx-solis/omega_mainboard1.3eu repository on GitHub; these links point at the commit this page was built from.
Omega mainboard1.3eu: common questions
How big is the Omega mainboard1.3eu PCB?
The Omega mainboard1.3eu measures 333.4 × 149.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Omega mainboard1.3eu?
252 components, from 103 distinct parts. The full bill of materials is listed on this page.
Where can I download the Omega mainboard1.3eu design files?
From the msx-solis/omega_mainboard1.3eu repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Omega mainboard1.3eu design in my own project?
Yes, under the terms of its GPL-3.0 license, which msx-solis chose for the repository.