Olivetti M20 L1 schematics

anchorz·Olivetti_M20_L1_schematics

Olivetti M20 L1 schematics PCB layout, top view — open source board by anchorz

About the Olivetti M20 L1 schematics PCB

Olivetti M20 L1 schematics is an open source PCB design by anchorz, published on GitHub under the MIT license. It is a 4-layer board measuring 457.1 × 308 mm, with 410 components from 139 distinct parts.

Other key parts include the Spare20, 'LS00, '16, 'LS74 and 'LS132. By type, the board carries 152 ICs, 144 capacitors, 29 resistors, 23 jumpers, 11 connectors and 5 diodes.

Main components on the Olivetti M20 L1 schematics

Olivetti M20 L1 schematics bill of materials (BOM)

410 components, 139 distinct parts.

QtyPartRefs
4
Spare20
U1, U2, U17, U74
7
'LS00
U3, U25, U70, U87, U94, U149, U150
3
'16
U4, U30, U51
4
'LS74
U5, U6, U52, U92
1
'LS132
U7
2
'LS138
U8, U42
8
'LS244
U9, U69, U79, U89, U98, U110, U127, U148
2
'LS32
U10, U13
4
'S74
U11, U90, U134, U135
1
16MHz
U12
1
FD1797
U14
6
'LS373
U15, U43, U125, U126, U146, U147
1
'LS374
U16
1
'LS112
U18
10
'S04
U19, U77, U85, U91, U96, U108, U112, U123 +2
2
'S05
U20, U50
2
74LS138
U21, U39
2
8251
U22, U131
4
'S08
U23, U103, U111, U130
2
'LS02
U24, U95
Show 119 more
QtyPartRefs
1
'LS260
U26
2
'LS14
U27, U53
4
'S00
U28, U97, U113, U114
3
74LS163
U29, U45, U72
1
WD1691
U31
1
'LS629
U32
1
8259
U33
1
SPARE
U34
1
'S138
U36
1
'LS08
U37
4
'LS10
U38, U40, U86, U104
1
'LS30
U41
1
N82S181
U44
1
'LS163
U46
1
'LS123
U47
1
'LS221
U48
1
WD2143M-03
U49
2
27128
U54, U65
6
27128
U55, U56, U57, U66, U67, U68
1
Z8001
U58
2
'S245
U59, U63
2
'S373
U60, U64
1
'S163
U61
1
8255
U62
2
'LS04
U71, U128
2
'LS245
U73, U93
3
'LS20
U75, U105, U107
2
'S32
U76, U106
1
MC6845
U78
5
'S253
U80, U81, U82, U83, U102
1
PE-21389
U84
1
'LS670
U88
3
SPARE
U99, U100, U101
1
12MHz
U109
16
41256
U115, U116, U117, U118, U119, U120, U121, U122 +8
2
'LS166
U124, U145
2
75189
U132, U153
1
75188
U133
1
'S20
U151
1
8253
U152
1
3.96mm
J1
1
Floppy Disk
J2
2
EdgeCard100
J3, J4
1
VIDEO
J5
1
Parallel
J6
1
RS232
J7
3
EdgeCard62
J8, J9, J10
1
KBD
J11
4
TestPoint
.A1, .A2, .B1, .B2
1
1µ
CX1
1
#DD
JP1
1
B
JP2
1
#X
JP3
1
Patch
JP4
1
#ZA
JP5
1
#E
JP6
1
#HH
JP7
1
#D
JP8
1
#JJ
JP9
1
#M
JP10
1
#G
JP11
1
Conn_02x08_Counter_Clockwise
JP12
1
#C
JP13
1
#P
JP14
1
#N
JP15
1
#T
JP16
1
#R
JP17
1
#S
JP18
1
#FF
JP19
1
#CC
JP20
1
#A
JP21
1
#AA
JP22
1
M20-Jumper.1
JP.F.1
1
M20-Jumper.2
K.1
11
1k
RP1, RP2, RP3, RP4, RP5, RP6, RP8, RP12 +3
3
10k
RP7, RP9, RP10
3
33R
RP13, RP19, RP20
3
1k
RP16, RP17, RP18
2
33Ω
RP21, RP26
4
120R
RP22, RP23, RP27, RP28
1
27k
RP24
1
Reset-Button
SW1
2
TestPoint
TP1, TP2
1
TestPoint
TP3
1
EXT_PCLK
TP5
1
HH3006A
UA28
2
75451
UA35, UB35
1
M20-Jumper.1
V.1
1
UA7805UC
VR1
1
79L05
VR2
1
M20-Jumper.2
W.1
1
8.2V
Z1
3
4148
D1, D2, D3
2
TestPoint
D.1, D.2
124
100n
C1, C2, C3, C4, C5, C6, C7, C8 +116
5
47µ
C13, C14, C15, C48, C84
1
0.68
C29
1
100p
C31
2
C
C32, C46
2
1µ
C34, C35
1
33µ
C47
2
22µ
C101, C143
4
10µ
C106, C115, C125, C134
2
TestPoint
C.1, C.2
1
22k
R1
1
47R
R2
1
10k
R3
1
30Ω
R4
2
47.5k
R5, R6
1
68
R7
1
100k
R8
1
50k
R9
1
10k
R11
7
R
R12, R14, R15, R16, R17, R21, R22
1
47k
R13
7
1k
R18, R20, R25, R26, R27, R28, R29
2
150R
R19, R24
1
15k
R23
1
4.7k
R30

Olivetti M20 L1 schematics design files

The KiCad project lives in the anchorz/Olivetti_M20_L1_schematics repository on GitHub; these links point at the commit this page was built from.

Olivetti M20 L1 schematics: common questions

How big is the Olivetti M20 L1 schematics PCB?

The Olivetti M20 L1 schematics measures 457.1 × 308 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Olivetti M20 L1 schematics?

410 components, from 139 distinct parts. The full bill of materials is listed on this page.

Where can I download the Olivetti M20 L1 schematics design files?

From the anchorz/Olivetti_M20_L1_schematics repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Olivetti M20 L1 schematics design in my own project?

Yes, under the terms of its MIT license, which anchorz chose for the repository.