Apple Lisa 2/5 Motherboard

Ongoing

STD Apple Lisa 2/5 Motherboard

Digital

Consumer_Electronics

License: MIT

Mode:

Editors' pick

Update time： 2023-08-02 15:50:28

Creation time： 2021-12-05 20:04:11

Description

This is a modern replacement for the Apple Lisa 2/5 motherboard that remains as faithful to the original as possible. For more information, check out the project on GitHub.

Design Drawing

schematic diagram

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Support Circuitry/System Edge Connectors
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Card Connections
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Ports
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Expansion Slots
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PCB

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Apple Lisa 2/5 Motherboard PCB
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	100uF	C10	LISA RADIAL ELECTROLYTIC CAPACITOR	1
2	1000uF	C11	LISA AXIAL ELECTROLYTIC CAPACITOR	1
3	68pF	C12	LISA_C12	1
4	0.1uF	C13,C14	LISA SMALL AXIAL CAPACITORS	2
5	240uF (I'm using 0.24uF)	C15	LISA SMALL AXIAL CAPACITORS	1
6	Floppy Connector	J1	APPLE LISA FLOPPY EDGE CONNECTOR 30X2	1
7	Power/Video Connector	J2	APPLE LISA PSU/VIDEO EDGE CONNECTOR 15X2	1
8	Video Out	J10	LISA RCA	1
9	10uH	L10,L11,L1,L2,L4,L5,L6,L7,L8,L9	LISA INDUCTORS	10
10	2N3904	Q1	LISA TRANSISTOR	1
11	2N3906	Q2	LISA TRANSISTOR	1
12	1K	R1	LISA RESISTORS	1
13	75	R2	LISA RESISTORS	1
14	10K	R3	LISA RESISTORS	1
15	10	R4	LISA RESISTORS	1
16	100	R5,R6,R15	LISA RESISTORS	3
17	3.3K	R7,R13	LISA RESISTORS	2
18	4.7K	R8	LISA RESISTORS	1
19	2.7K	R9,R11	LISA RESISTORS	2
20	1.5K	R10	LISA RESISTORS	1
21	680	R12	LISA RESISTORS	1
22	221 (1% Tolerance)	R14	LISA RESISTORS	1
23	Reset Button	SW1	LISA RESET BUTTON	1
24	SN74LS132N	U1	LISA-LS132	1
25	Memory Board 2	J3	LISA-60	1
26	Memory Board 1	J4	LISA-60	1
27	CPU Board	J8	LISA-120	1
28	I/O Board	J9	LISA-120	1
29	0.01uF	C1,C2,C3,C4,C5,C6,C7	LISA CERAMIC CAPACITORS NO SILKSCREEN	7
30	0.01uF	C8	LISA CERAMIC CAPACITORS	1
31	Parallel	J13	LISA DB25 CONNECTORS	1
32	Mouse	J14	LISA DB9 CONNECTOR	1
33	Serial A	J15	LISA DB25 CONNECTORS	1
34	Serial B	J16	LISA DB25 CONNECTORS	1
35	50 Ohm Resistor Pack	RP1,RP2	LISA RESISTOR PACKS	2
36	Expansion Slot 1	J5	LISA-EXPANSION	1
37	Expansion Slot 2	J6	LISA-EXPANSION	1
38	Expansion Slot 3	J7	LISA-EXPANSION	1