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website/content/museum/bull-l-attache.md
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
2026-10-13 16:47:19 +02:00

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Markdown

---
title: Bull L'attaché
categories:
- Computers
types:
- Portable
origins:
- France
cpus:
- Intel 8086
params:
name: L'attaché
image: /media/museum/photos/bull_attache_system_2.jpg
company: /companies/bull
company_name: Bull
specs:
- label: NAME
value: L'attaché
- label: MANUFACTURER
value: Bull
- label: TYPE
value: Portable
- label: ORIGIN
value: France
- label: BUILT IN LANGUAGE
value: None
- label: KEYBOARD
value: Full-stroke 84 keys with function keys and numeric keypad
- label: CPU
value: Intel 8086
- label: SPEED
value: 4.77 and 9.54 Mhz
- label: CO-PROCESSOR
value: Optional 8087
- label: RAM
value: 640 KB
- label: ROM
value: BIOS ROM
- label: TEXT MODES
value: LCD display. 40/80 characters x 25 lines
- label: GRAPHIC MODES
value: 320/640 x 200 pixels
- label: COLORS
value: 16 grey levels
- label: SOUND
value: Built-in beeper
- label: SIZE / WEIGHT
value: 33(W) x 33(D) x 8.5(H) cm.
- label: I/O PORTS
value: Serial port, Telephone and modem lines, Ext. FDD unit, 1 expansion card slot, Parallel, RGB and Composite video
- label: BUILT IN MEDIA
value: 1 x 3.5'' FDD. Optional 20 MB hard disk and second FDD
- label: OS
value: MS-DOS 3.1 (Bull version)
- label: POWER SUPPLY
value: External power supply unit
- label: PERIPHERALS
value: External floppy drive unit
- label: PRICE
value: Unknown
tabs:
- photos
photos:
- title: LEFT SIDE
subtitle: ''
text: ''
image: /media/museum/photos/bull_attache_system_1.jpg
- title: CLOSED
subtitle: ''
text: With the external power supply unit
image: /media/museum/photos/bull_attache_closed_1.jpg
- title: SYSTEM MODULES
subtitle: ''
text: |-
On left, the main motherboard/display module\
On right, the backup module is fastened to the main module with four unsightly screws.
image: /media/museum/photos/bull_attache_twoparts_1.jpg
- title: KEYBOARD CLOSE-UP
subtitle: ''
text: ''
image: /media/museum/photos/bull_attache_keybcloseup_1.jpg
- title: BACK CONNECTORS
subtitle: ''
text: |-
**(1)** Trap door for Parallel, RGB and composite video connectors\
**(2)** External power supply unit DIN plug\
**(3)** External 5.25" floppy disc unit connector\
**(4)** Trap door of the optional expansion board housing
image: /media/museum/photos/bull_attache_back_1.jpg
- title: LEFT CONNECTORS
subtitle: ''
text: |-
**(1)** 3.5" 720 KB floppy disc drive\
**(2)** Expansion board housing\
**(3)** RJ-45 connectors for telephone and modem lines. An optional modem card could be inserted into the main module\
**(4)** Serial connector\
**(5)** Contrast adjustment
image: /media/museum/photos/bull_attache_leftside_1.jpg
- title: THE BAG
subtitle: ''
text: |-
A nice and high quality bag.
**(1)** When we found it, this bag kept a trace of the last time of its active life: an air trip from Marseille to Paris!
image: /media/museum/photos/bull_attache_bag_1.jpg
oc_id: 751
source:
url: https://web.archive.org/web/20230530073051/http://www.old-computers.com/museum/computer.asp?c=751
date: '2023-05-30'
---
"L'attaché" was the first Bull attempt to produce a portable PC-compatible computer. It was not made in France by Bull, but in Japan.
This computer was mainly sold to french public services, as they were obliged at the time to buy french-made computers. But "L'attaché" was not very successful in the private sector when it was launched, because there were many competing that were technically more advanced and cheaper.
The system hardware was made of two separate modules. A motherboard/display module, and a backup module that could be fitted with one or two 3.5" 720 KB floppy disc drives or a 20 MB hard disk.