Ser: 0633525 ver 2.2

Tested on a DTK Turbo XT Motherboard (Common Turbo XT) in 8bit slot with DB9 MDA/Hercules Monitor

I used XT-to IDE as a booting device.

This card have  64kb or ram

It's a creat solution for 8088/8086

Technical Specifications

This is a Twinhead Magic Combo CT-6190S vintage video card. It is an 8-bit ISA expansion card designed for early IBM PC/XT and compatible desktop systems during the late 1980s. 

Technical Specifications

Primary Chipset: Twinhead TA916 W / CT-6190S

Bus Interface: 8-bit ISA (Industry Standard Architecture)

Display Graphics Adapter) and MDA (Monochrome Display Adapter) compatibility into a single card.

Memory Config: Equipped with 64 KB of onboard video RAM.

Origin: Made in Taiwan.