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6,654 pages: 1,289 machines, 702 software, 460 companies, 64 history, 17 articles, 59 fun. 4,336 media files so far; references to files not downloaded yet are left out. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
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+---
+title: TRIUMPH ADLER Alphatronic PC models P3 / P4
+categories:
+- Computers
+types:
+- Professional Computer
+origins:
+- Germany
+years:
+- '1982'
+cpus:
+- 8085A
+params:
+  name: Alphatronic PC models P3 / P4
+  company: /companies/triumph-adler
+  company_name: TRIUMPH ADLER
+  specs:
+  - label: NAME
+    value: Alphatronic PC models P3 / P4
+  - label: MANUFACTURER
+    value: Triumph Adler
+  - label: TYPE
+    value: Professional Computer
+  - label: ORIGIN
+    value: Germany
+  - label: YEAR
+    value: '1982'
+  - label: KEYBOARD
+    value: Full-stroke keyboard with separated editing and numeric keyboard
+  - label: CPU
+    value: 8085A
+  - label: SPEED
+    value: Unknown
+  - label: RAM
+    value: 64 KB
+  - label: VRAM
+    value: 2 KB
+  - label: ROM
+    value: 6 KB
+  - label: TEXT MODES
+    value: 80 x 24 (12'' monitor)
+  - label: GRAPHIC MODES
+    value: Unknown
+  - label: COLORS
+    value: Unknown (monochrome monitor)
+  - label: SOUND
+    value: Unknown
+  - label: SIZE / WEIGHT
+    value: Unknown
+  - label: I/O PORTS
+    value: Unknown
+  - label: BUILT IN MEDIA
+    value: |-
+      Model P3 : 2 x 5''1/4 disk-drives (785kb each), double-sided, double density\
+      Model P4 : 1 x 5''1/4 disk-drive and 1 x Hard-disk (5Mb)
+  - label: OS
+    value: MOS, CP/M
+  - label: POWER SUPPLY
+    value: PSU built-in
+  - label: PRICE
+    value: Unknown
+  tabs:
+  - photos
+  photos:
+  - title: CLOSE-UP ON MODEL P4
+    subtitle: ''
+    text: ''
+    image: null
+  oc_id: 485
+  source:
+    url: https://web.archive.org/web/20230607120456/http://www.old-computers.com/museum/computer.asp?c=485
+    date: '2023-06-07'
+---
+
+These two computers (P3 and P4) are professional systems conceived by Triumph-Adler. There are based on 8085A CPU and have 64k RAM.
+
+They used the MOS operating system but are also CP/M compatible. There were delivered with CP/M, UCSD-P System and Holland Automation on disks.
+
+The difference between the two models is that the P3 is equiped with two 5''1/4 (785 kb formated) floppy-drives, whereas the P4 has one floppy and one hard-disk (5 Mb).
+
+<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>