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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ

content/museum/logabax-persona-1600.md

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+---
+title: Logabax PERSONA 1600
+categories:
+- Computers
+types:
+- Professional Computer
+origins:
+- France
+years:
+- '1983'
+cpus:
+- Intel 8086
+params:
+  name: PERSONA 1600
+  image: /media/museum/photos/logabax_persona1600_system_s1.jpg
+  logo: /media/museum/logos/logabax_persona1600_logo_s1.gif
+  company: /companies/logabax
+  company_name: Logabax
+  specs:
+  - label: NAME
+    value: PERSONA 1600
+  - label: MANUFACTURER
+    value: Logabax
+  - label: TYPE
+    value: Professional Computer
+  - label: ORIGIN
+    value: France
+  - label: YEAR
+    value: '1983'
+  - label: BUILT IN LANGUAGE
+    value: MS-DOS and GW-Basic delivered on disks
+  - label: KEYBOARD
+    value: |-
+      Separated full-stroke keyboard, 102 keys, numeric keypad, 18 function keys\
+      A standard IBM keyboard (83 keys) was also proposed
+  - label: CPU
+    value: Intel 8086
+  - label: SPEED
+    value: 8 MHz
+  - label: CO-PROCESSOR
+    value: 8087 arithmetic co-processor optional
+  - label: RAM
+    value: 128 KB (up to 640 KB)
+  - label: ROM
+    value: 16 KB
+  - label: TEXT MODES
+    value: 40 / 80 columns x 25 lines
+  - label: GRAPHIC MODES
+    value: 320 x 200 (4 colors) / 640 x 200 (monochrome) / 640 x 400 (monochrome)
+  - label: COLORS
+    value: '16'
+  - label: SOUND
+    value: Tone Generator
+  - label: SIZE / WEIGHT
+    value: 38 (W) x 37 (D) x 16 (H) cm
+  - label: I/O PORTS
+    value: Parallel Centronics, RS232C
+  - label: BUILT IN MEDIA
+    value: One or Two 5.25'' disk-drives (360k or 720k)
+  - label: OS
+    value: MS DOS 2.1, Concurrent CP/M 86, UCSD-P
+  - label: POWER SUPPLY
+    value: Built-in PSU, 135w
+  - label: PERIPHERALS
+    value: Hard-disk, IEEE 488, RS 422, RS 232, PC Net boards, IBM 3278 coaxial network board, mouse
+  - label: PRICE
+    value: |-
+      1 disk-drive system :3350 (France, 84)\
+      2 disk-drives system : 3811 (France, 84)\
+      128k, monochrome, 2 x drives 720k : 6015 (France, 85)
+  tabs:
+  - photos
+  photos:
+  - title: DUAL FDD VERSION
+    subtitle: ''
+    text: ''
+    image: /media/museum/photos/logabax_persona1600_front.jpg
+  - title: 20 MB HDD VERSION
+    subtitle: ''
+    text: The keyboard design was slightly different from the FDD version, particularly the function keys.
+    image: /media/museum/photos/logabax_persona1600_system_s1.jpg
+  - title: SIDE VIEW
+    subtitle: ''
+    text: ''
+    image: /media/museum/photos/logabax_persona1600_sideview_s1.jpg
+  - title: MAIN UNIT
+    subtitle: ''
+    text: On the HDD version a red plastic mask allowed to see the HDD leds (Power and Busy) by transparency.
+    image: /media/museum/photos/logabax_persona1600_mainunit_s1.jpg
+  - title: KEYBOARD CLOSE-UP
+    subtitle: ''
+    text: 'User could choose between two keyboards: an IBM PC style one, or this Olivetti keyboard specially developed for the Persona 1600.'
+    image: /media/museum/photos/logabax_persona1600_keyboard_s1.jpg
+  - title: BACK SIDE
+    subtitle: ''
+    text: The black plastic box holds a large aluminium fan.
+    image: /media/museum/photos/logabax_persona1600_backside_s1.jpg
+  - title: BACK PANEL
+    subtitle: ''
+    text: |-
+      On can spot the various connectors:\
+      • Power sockets and switchs\
+      • Keyboard (not compatible with standard PC keyboards)\
+      • Parallel and Serial\
+      • Video, located on the first expansion slot.
+    image: /media/museum/photos/logabax_persona1600_backpanel_s1.jpg
+  - title: INSIDE THE HDD VERSION
+    subtitle: ''
+    text: |-
+      In this version, it isn't possible to add any expansion card. Only to cards are available, video (left) and HDD controller.\
+      Stangely, the video card is used as a bridge between the mainboard located below the metal frame and the expansion slots card. Here a one-slot card is attached, it supports the HDD controller card.\
+      The hard disk drive is a 20 MB model made by Olivetti.
+    image: /media/museum/photos/logabax_persona1600_opened_s1.jpg
+  - title: INSIDE THE FDD VERSION
+    subtitle: ''
+    text: This version features a 7-slot backplane connected to the video card. Green slots are used for specific Olivetti cards. A RAM expansion card is fitted in one of the slots.
+    image: /media/museum/photos/logabax_persona1600_opened.jpg
+  - title: MAINBOARD
+    subtitle: ''
+    text: |-
+      The components side faces the bottom of the case.
+
+      **(1)** "Bridge" video card connectors\
+      **(2)** Optional HDD controller socket\
+      **(3)** Western Digital FDD controller\
+      **(4)** Optional 8087 math coprocessor socket\
+      **(5)** 8086 microprocessor\
+      **(6)** 512 KB optional chips (16 x 41256)\
+      **(7)** 128 KB base RAM (16 x 4164)\
+      **(8)** BIOS ROMs\
+      **(9)** CMOS and clock battery, Reset switch and beeper\
+      **(10)** Various NEC I/O chips\
+      **(11)** Keyboard ROM
+    image: /media/museum/photos/logabax_persona1600_mainboard_s1.jpg
+  comments:
+  - author: Timothy Salter (United Kingdom)
+    date: Sunday 24th March 2013
+    text: In the mid 1970''s the accountancy firm which I worked for owned a logabax, and it was used to compile the annual accounts of small companies. Later on we switched to using proper solid state computers.
+  - author: gondel jean-luc (france)
+    date: Sunday 23rd February 2003
+    text: |-
+      i have a Logabax Persona 1600, but not a setup disk\
+      please help me ?
+  oc_id: 154
+  source:
+    url: https://web.archive.org/web/20230529184854/http://www.old-computers.com/museum/computer.asp?c=154
+    date: '2023-05-29'
+---
+
+This computer was built at Meaux (France, Paris area) by Logabax which was owned by Olivetti at 65%. It was in fact the international version of the [Olivetti M24](/museum/olivetti-m24/).
+
+This was a highly PC compatible system. It means that it was truely hardware and sotfware compatible with the IBM PC of the time. Back then, all "PC compatible" systems were not exactly 100% compatible... so it was a real marketing argument for the Persona 1600.\
+There were two true tests to know if a system was really IBM PC compatible: Lotus 1-2-3 and Microsoft Flight Simulator, and the Persona 1600 was running both with no problem.
+
+But in addition to its good compatibility, the Persona 1600 was offering more than the IBM PC itself: built-in RS232c and Centronics interface, more complete keyboard, better graphic possibilities (640 x 400) and 7 free expansion slots (instead of 3 for the IBM PC). Even the CPU (8086) was faster than the 8088 used by the IBM PC.
+
+It was very well known in France because it was used as a server for Thomson TO7 and MO5 computer networks in schools (Nanoréseaux).
+
+It ran under MS-DOS 2.11 or CP/M 86.\
+It was possible to connect an optional hard disk (from 10 to 50 Mb).\
+The Persona 1600 was sold with a 12" green monochrom, or a 14" color monitor.