Windows GUI accelerator based on Cirrus Logic 5428.
Palcal's cards:
(689) Diamond SpeedStar PRO VLB rev.A4
(689) Diamond SpeedStar PRO VLB rev.A4
(689) Diamond SpeedStar PRO VLB rev.A4
(689) Diamond SpeedStar PRO VLB rev.A4
(755) Diamond SpeedStar PRO VLB rev.B1
(755) Diamond SpeedStar PRO VLB rev.B1
(755) Diamond SpeedStar PRO VLB rev.B1
(755) Diamond SpeedStar PRO VLB rev.B1