Vintage Alliance Semiconductor ProMotion-AT24 PCI VGA Graphics Card – UNION – 1996Vintage PCI graphics accelerator featuring the relatively uncommon Alliance Semiconductor ProMotion-AT24 graphics chipset.This is a period mid-1990s 2D/multimedia graphics card manufactured under the UNION name.Visible markings/components include:* Alliance Semiconductor ProMotion-AT24
* Chip date: 1996
* UNION branded PCB
* PCI interface
* Standard 15-pin VGA output
* Alliance Semiconductor EDO video memory
* Two memory expansion sockets
* AT27C256R ROM
* 14.31818 MHz crystalThe ProMotion-AT24 was a 128-bit internal graphics accelerator with a 64-bit memory interface and hardware multimedia/video acceleration. It represents an interesting transitional period immediately before dedicated consumer 3D accelerators became commonplace.This card was removed from a working computer approximately 20 years ago and has been stored since. It has not been recently tested and is therefore being sold based on its condition when removed.The card shows normal cosmetic wear, dust, oxidation and signs of age consistent with vintage computer hardware. Please examine all photographs carefully for exact condition.A particularly interesting card for a Windows 95-era PC, vintage PCI computer restoration, graphics-card collection or 1990s computing display.Card only. No drivers, cables, software or other accessories included.