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---
title: Kaypro IV
categories:
- Computers
types:
- Transportable
origins:
- U.S.A.
years:
- '1983'
cpus:
- Z80
params:
name: Kaypro IV
image: /media/museum/photos/kaypro_4_1.jpg
company: /companies/kaypro
company_name: Kaypro
specs:
- label: NAME
value: Kaypro IV
- label: MANUFACTURER
value: Kaypro
- label: TYPE
value: Transportable
- label: ORIGIN
value: U.S.A.
- label: YEAR
value: '1983'
- label: END OF PRODUCTION
value: '1985'
- label: KEYBOARD
value: Detachable, 72 key typewriter style keyboard with 18 programmable keys.
- label: CPU
value: Z80
- label: SPEED
value: 2.5 Mhz
- label: RAM
value: 64 KB
- label: VRAM
value: 2 KB
- label: ROM
value: 2 KB
- label: TEXT MODES
value: '80 chars x 25 lines (character matrix : 5 x 8 dots)'
- label: GRAPHIC MODES
value: None
- label: COLORS
value: built-in 9'' non-glare green phosphor screen
- label: SOUND
value: built-in speaker (CPU controlled) + keyboard 'key click' and beep
- label: SIZE / WEIGHT
value: 45 x 36 x 21 cm / 15kg
- label: I/O PORTS
value: 1 RS232c serial port, 1 Centronics-type parallel port, keyboard interface
- label: BUILT IN MEDIA
value: two 5.25'' DS/DD full-height floppy drives (390 KB per disk)
- label: OS
value: CP/M 2.2
- label: POWER SUPPLY
value: Built-in PSU
tabs:
- photos
- links
- docs
forum_thread: 543
photos:
- title: PARIS DAKAR
subtitle: ''
text: |-
**A KAYPRO IV IN ACTION SOMEWHERE IN AFRICA**
8 Kaypro IV and 2 Kaypro 10 were used by the doctors of the Paris-Dakar race 84's edition. The Kaypro IVs were used to store medical information about the 1000 participants. Power was provided by the Mercedes cars through the 12v cigarette lighters. The Kaypro 10s were kept in the "communication" plane during the day, and were used to centralize all the informations in the evening. At the end of the race, and after 12000 km of tracks, there were all running fine ! One of the Kaypro 10 is said to have been thrown out of the plane, mistaken with a common metallic tool box... And it still worked !
image: /media/museum/photos/kaypro_paris-dakar_1.jpg
links:
- title: Web Wiz CAPTCHA
url: http://www.webwizcaptcha.com
text: ''
docs:
- title: KAYPRO TECHNICAL MANUAL
url: null
cover: /media/museum/docs/couvs/kaypro_technical_manual.jpg
text: |-
**KAYPRO TECHNICAL MANUAL**\
written by Kaypro
 compiled/archived by Unknown\
 type of document : Online reader
**... READ THE ONLINE VERSION BY CLICKING BELOW :**
related:
- /museum/kaypro-1
- /museum/kaypro-10
- /museum/kaypro-2x
- /museum/kaypro-4
- /museum/kaypro-ii
- /museum/kaypro-robie
oc_id: 549
source:
url: https://web.archive.org/web/20230329073143/http://www.old-computers.com/museum/computer.asp?c=549
date: '2023-03-29'
---
The Kaypro IV (aka IV'83 later) is not to be confused with the [Kaypro 4](/museum/kaypro-4/) (aka 4'84) released one year later. I know, Kaypro model names are REALLY confusing...
The Kaypro IV is basically a Kaypro II with DS/DD full-height floppy drives.
Wordstar started being included in addition to the Perfect Software suite.