The G364 framebuffer
was a line of graphics adapters
using the SGS Thomson INMOS G364 chipset, produced by INMOS
(known for their transputer
and eventually acquired by SGS Thomson
and incorporated into STMicroelectronics
) in the early 1990s. The G364 included a RAMDAC
and a 64-bit interface to VRAM
graphical memory to implement a framebuffer
, but did not include any hardware-based graphical acceleration other than a hardware cursor function.
The G364 was largely similar in design and functionality to the G300 framebuffer, but had a 64-bit VRAM interface instead of the slower 32-bit interface of the lower-price G300.
The INMOS G364 is quite similar to the G332 found on the Personal DECstation.
Although the G364 was capable of providing comparatively high resolution output (up to 1600×1200 pixels at 8 bits-per-pixel, in many cases) typically achieved only in Unix workstations such as those of Sun Microsystems or SGI, it was not a popular chipset for the personal computer manufacturers of the early 1990s and was not adopted by any major workstation manufacturers.
The G364 framebuffer found use in an after-market Commodore Amiga graphics card, and as the primary graphics system sold with the MIPS Magnum 4000 series of MIPS-based Windows NT workstations.
Amiga cards based on the G364:
- EGS SPECTRUM 110/24
- Rainbow III
- Visiona Paint (G300)