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

content/museum/extensis-ex3000.md

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+---
+title: EXTENSIS EX3000
+categories:
+- Computers
+types:
+- Home Computer
+origins:
+- U.S.A.
+years:
+- '1977'
+cpus:
+- '8085'
+params:
+  name: EX3000
+  company: /companies/extensis
+  company_name: EXTENSIS
+  specs:
+  - label: NAME
+    value: EX3000
+  - label: MANUFACTURER
+    value: Extensis
+  - label: TYPE
+    value: Home Computer
+  - label: ORIGIN
+    value: U.S.A.
+  - label: YEAR
+    value: '1977'
+  - label: BUILT IN LANGUAGE
+    value: Unknown
+  - label: KEYBOARD
+    value: Unknown
+  - label: CPU
+    value: '8085'
+  - label: SPEED
+    value: Unknown
+  - label: RAM
+    value: 16 KB (up to 64 KB)
+  - label: ROM
+    value: 16 KB
+  - label: TEXT MODES
+    value: 80 x 24
+  - label: GRAPHIC MODES
+    value: Unknown
+  - label: COLORS
+    value: Unknown
+  - label: SOUND
+    value: Unknown
+  - label: SIZE / WEIGHT
+    value: Unknown
+  - label: I/O PORTS
+    value: Several cards (see lower)
+  - label: BUILT IN MEDIA
+    value: None (in standard)
+  - label: OS
+    value: EMOS
+  - label: POWER SUPPLY
+    value: Unknown
+  - label: PERIPHERALS
+    value: Unknown
+  - label: PRICE
+    value: Unknown
+  tabs:
+  - links
+  links:
+  - title: More information about the Extensis 3000
+    url: http://www.tomshardware.com/2007/02/23/weird_and_wonderful_pcs_and_pc_mods/page5.html
+    text: The Real World's 1st Multi-User/Multi-Tasking Micro
+  oc_id: 48
+  source:
+    url: https://web.archive.org/web/20230208062406/http://www.old-computers.com/museum/computer.asp?c=48
+    date: '2023-02-08'
+---
+
+The EX3000 Computer, a typical success(?) saga of the early personal computer days.
+
+The Extensis Corp. EX3000 computer pulled together four emerging technologies; multiprocessor supercomputers, 8 bit microprocessors, the S100 bus standard and multiprocessor, multitasking multiuser operating systems.
+
+The hardware of the EX3000 system consists of subsystems and boards. Three subsystems were provided :
+
+FOS100 > Floppy disk subsystem (from one to four MB)\
+MTS100 > Multiple terminal system with 8 or more independant RS232c serial interfaces\
+TPS100 > Terminal / Operator Processor Subsystem with keyboard, CRT, RS232c and expanded video attributes.
+
+And the following boards were included in the EX3000 :
+
+RM64A > Memory board with 16 KB RAM\
+MM16 > Memory Management board with bankswitching up to 1 MB.\
+MPU8085 > 8085 Central processor with onboard PROM\
+MPU800 > Optional Z80 CPU with onboard PROM
+
+The operating system, EMOS, is a multi tasking, multi users operating system which provides memory protection for each user. It can handle the two processors simultaneously. Several languages were developped for this operating system : Extended Basic, Cobol and ANSI Fortran.
+
+<table> <tr> <td></td> <td>We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.</td> <td></td> </tr> </table>