RTG graphics card

• Texas Instruments TMS34010 @ 50 MHz
• 2 MB RAM, sixteen 1M×1, 100 ns ZIP VRAMs
• 1 MB video frame buffer, 0.75 MB program overlay, 0.25 MB overlay bitplanes

screen modes

• 256+3 colours from a 24 bit palette
• screen modes – only two is available one time by installing the appropriate oscillators
  • 14.318 MHz – 512×512 interlace, quad buffering
  • 14.318 MHz – 640×400 interlace
  • 36 MHz – 800×600 non-interlace (default)
  • 44.9 MHz – 1024×768 interlace
  • 48 MHz – 1024×768 interlace
  • 67.88 MHz – 1024×768 non-interlace (default)
  • 80 MHz – 1024×1024 interlace
• default is 800×600 and 1024×768 non-interlaced
• software switching between the two clock sources

notes

• RS343 compatible video sync on green and / or separate TTL sync
• programmable synchronization timing
• HD15 connector
• no video passthrough
• originally built for A3000UX machines
• intended to use its not very well developed TIGA system
• CyberGaphX 2, 4.2 and EGS drivers
• supported by NetBSD (except for X server) and OpenBSD

recapped with Rubycon brand 105° type

manual