yann64andClaude Opus 5.5
b274874139
1,289 discussions, 9,527 archived comments; pages no longer carry the comments themselves. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
85 lines
2.6 KiB
Markdown
85 lines
2.6 KiB
Markdown
---
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title: Quasar Data Products QDP-300
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categories:
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- Computers
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types:
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- Professional Computer
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origins:
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- U.S.A.
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years:
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- '1982'
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cpus:
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- Z80-C
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params:
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name: QDP-300
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image: /media/museum/photos/quasar_qdp300_system_1.jpg
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company: /companies/quasar-data-products
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company_name: Quasar Data Products
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specs:
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- label: NAME
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value: QDP-300
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- label: MANUFACTURER
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value: Quasar Data Products
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- label: TYPE
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value: Professional Computer
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- label: ORIGIN
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value: U.S.A.
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- label: YEAR
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value: November 1982
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- label: BUILT IN LANGUAGE
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value: None
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- label: KEYBOARD
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value: Serial video terminal
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- label: CPU
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value: Z80-C
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- label: SPEED
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value: 6 Mhz.
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- label: RAM
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value: 64 KB
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- label: ROM
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value: Unknown
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- label: TEXT MODES
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value: 80 columns x 25 lines
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- label: COLORS
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value: Monochrome
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- label: SOUND
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value: Beeper
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- label: I/O PORTS
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value: Serial interface
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- label: BUILT IN MEDIA
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value: |-
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Dual 8'' 1.2 MB F.D. drives\
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Optional 10 or 15 MB internal hard disk, or 30 MB external
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- label: OS
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value: CP/M, MP/M
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- label: POWER SUPPLY
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value: Built-in power supply unit
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- label: PERIPHERALS
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value: S-100 bus boards range
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- label: PRICE
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value: Unknown
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forum_thread: 603
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oc_id: 616
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source:
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url: https://web.archive.org/web/20230603010941/http://www.old-computers.com/museum/computer.asp?c=616
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date: '2023-06-03'
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---
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The hardware features of the QDP-300 were very close to those of the [QDP-100](/museum/quasar-data-products-qdp-100/) model. Apart from the shape of the case, the major differences were:\
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\- An integrated help system,\
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\- A cache memory to speed up the disk drives operations,\
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\- A new motherboard design allowing the 6 Mhz. Z80-C microprocessor to be used.
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The QDP-300 was backed by one-year on-site warranty performed by the General Electric Company.
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---
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**Mark Penacho** adds:\
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The Quasar Data Products QDP-300 was rebranded the **TDS-300** (by QDP) and was used as the development system for the now defunct handheld computer company Telxon in the early 80's for their handheld devices.\
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The rebranding was a darker metal case (I think dark blue), and a blue front panel. Cosmetically, the TDS version looked nicer.
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**Roger Chalonec** remembers:\
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I used these on US Navy ships. We ultimately had a 10meg hard drive in these I belive. We ran a pretty impressive database called MDBS (Micro Database Systems) out of Cleveland, OH.
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<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>
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