Amiga Hardware Database Expansion cards



Visiona Manual Photo Software
Company
X-Pert Computer Services / Viona Development, Germany
 Date
1990
 Amiga
A2000, A3000, A4000
 Interface
Zorro II
 Autoconfig ID
2117 / 1,2
    RTG graphics card
  • Inmos IMS G300C (85, 110 or 135 MHz) programmable RAMDAC and sync generator
  • no blitter, line drawing engine, or other general purpose graphics processing capability
  • Visiona Paint: 2 MB 20 ns VRAM in 16 ZIP sockets
  • Visiona Paint+: 4 MB 20 ns VRAM in 32 ZIP sockets
    screen modes
  • maximum resolution is only limited by the amount of VRAM installed
  • 24/32 bit: up to 1024×1024
  • 8 bit: up to 2048×2048
  • 2 bit: up to 4096×4096
  • 1 bit: up to 8192×4096
  • the resolutions above need 4 MB VRAM - with 2 MB VRAM, the maximum resolution is limited
  • maximum horizontal frequency: 80 kHz
  • resolutions above 1600×1280 flicker badly
    notes
  • Visiona Paint can be converted to a Visiona Paint+ by adding 16 RAM chips and a new control PAL
  • the VRAM uses 2 resp. 4 MB in the Zorro II address space:
    • limits Zorro II RAM expansions to 6 resp. 4 MB
    • the VRAM can be used by the Amiga as memory expansion using Addmem program (Visiona library must not be activated)
    • content of the Video RAM can be changed by the CPU and the Video Controller (which accesses the Video RAM with a DMA controller)
  • two separate oscillators for PAL and NTSC signals - two additional sockets for eg. SECAM
  • 15 pin VGA connector
  • five HF-PCB connectors
  • supports several Sync options:
    • output: separate H-Sync/V-Sync, Composite Sync on H-Sync, Sync-on-Green
    • input: external synchronization (on H-Sync) with a TBC possible (needs small hardware expansion)
  • EGS driver
  • the Visiona, the GVP EGS-110/24 and EGS-28/24 Spectrum were all designed by Hendrik Horak
    DIP switch settings
    Jumper Description ON OFF
    1 Amount of Video RAM 4 MB 2 MB
    2 ROM selection selected deselected
    3 - 6 reserved - -
    7 Video Standard NTSC PAL
    8 Interlace setting Interlace on Interlace off
    9 not used - -

    Photo
    X-Pert Computer Services / Viona Development Visiona -  front side
    front side

    X-Pert Computer Services / Viona Development Visiona -  front side
    front side

    X-Pert Computer Services / Viona Development Visiona -  front side
    front side

    X-Pert Computer Services / Viona Development Visiona -  front side
    front side

    X-Pert Computer Services / Viona Development Visiona -  front side
    front side

    X-Pert Computer Services / Viona Development Visiona -  back side
    back side

    X-Pert Computer Services / Viona Development Visiona -  back side
    back side




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