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CP/M and MP/M
Discuss these venerable old operating systems and the machines that run them
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Sticky
CP/M System Disks - Please Read
CP/M User
Aug 2, 2006
2
Replies
26
Views
75K
Apr 19, 2017
Buggoo
B
A
STD BUS Win Systems MCM-SBC Docs Needed
Amardeep-AC9MF
Yesterday at 8:32 PM
Replies
3
Views
50
Today at 10:16 AM
cj7hawk
C
D
Need Schematics and Photos of an Alspa ACI-1/2 Power Supply
DistantStar001
Today at 2:15 AM
Replies
0
Views
27
Today at 2:15 AM
DistantStar001
D
H
Recreating the Ferguson Big Board
hideehoo
Dec 11, 2018
3
4
5
Replies
94
Views
8K
Saturday at 6:10 PM
pitz
Columbia Data Products M64
bolex
Jul 20, 2022
Replies
8
Views
561
Friday at 2:12 PM
shirsch
S
new to CP/M and Kaypro - advice needed!
SMichelsen
Apr 10, 2020
Replies
8
Views
1K
Wednesday at 7:32 PM
geavsie
G
S
How to handle system with upper memory banking?
Svenska
Nov 24, 2022
Replies
12
Views
618
Nov 21, 2023
Svenska
S
C
Why did DOS/86 overtake CP/M-z80 ?
cj7hawk
Nov 15, 2023
3
4
5
Replies
84
Views
2K
Nov 20, 2023
Eudimorphodon
J
Weird characters in kaypro II boot
jmellidg
Nov 11, 2023
2
Replies
34
Views
533
Nov 18, 2023
jmellidg
J
Newbie questions about the Northstar Advantage 8/16
retrobecanes
Oct 11, 2023
Replies
8
Views
252
Nov 17, 2023
abzman
A
Osborne Keyboard identification
booboo
Oct 11, 2023
Replies
2
Views
154
Nov 16, 2023
kc4bqk
K
A
Does a file need to be closed before BDOS 35 get file size is correct?
alank2
Nov 8, 2023
Replies
10
Views
221
Nov 14, 2023
cj7hawk
C
R
LD instruction not assembled CP/M 2.2
rwcooper
Nov 9, 2023
Replies
12
Views
234
Nov 9, 2023
rwcooper
R
J
ADDS Multivision
Jannie
Dec 24, 2022
Replies
9
Views
458
Nov 7, 2023
stefano
S
L
Rare Osborne stuff available for download
Lorne
Sep 26, 2010
Replies
18
Views
8K
Nov 7, 2023
FrHilderbrand
F
J
Kaypro 2X boot problem Oki drives
jmellidg
Nov 5, 2023
Replies
6
Views
151
Nov 6, 2023
jmellidg
J
K
Well Now I have a Kaypro
Klee
Sep 12, 2023
2
Replies
26
Views
712
Nov 5, 2023
Klee
K
M
Serial interface boot of CP/M
MykeLawson
Oct 21, 2023
Replies
17
Views
573
Nov 4, 2023
MrImprovement
M
K
Osborne 1 New mechanical keyboard
kc4bqk
Feb 11, 2023
2
3
Replies
58
Views
2K
Nov 3, 2023
kc4bqk
K
PCW9512 - Brightness/Contrast Controls
Crashedfiesta
Oct 14, 2023
Replies
12
Views
264
Nov 1, 2023
cj7hawk
C
K
Osborne Executive Drive C manual found
kc4bqk
Oct 26, 2023
Replies
8
Views
216
Oct 29, 2023
kc4bqk
K
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