Motorola 6845 clone used also on IBM MDA and CGA adapters.
IBM MDA is text only card with 4kB memory and printer port. IBM CGA have also graphic modes and 16kB memory with TV support.
Palcal's cards:
(110) IBM CGA
(110) IBM CGA
(30) IBM MDA
(30) IBM MDA
(428) Compaq VDU Controller GA2
(428) Compaq VDU Controller GA2
Vlask's card:
CGA card probably from 1983, maybe older. Hitachi chip is older. Card have 32kB memory and is physically incompactible with 16bit ISA slots. Traded with Kamil Hałasiewicz.
Quadram Quad Color I
Quadram Quad Color I
Quadram Quad Color I HQ
Quadram Quad Color I HQAdditional Info
- Made by: Hitachi
- Codename: HD6845P
- Bus: ISA 8bit
- Memory Size: 4kB, 16kB, 32kB
- Memory Type: DRAM
- Year: 1981
- Card Type: MDA, CGA
- Made in: Japan
- Owned by: Vlask, Palcal
- Outputs: 9 pin D‐sub, RCA/CINCH
- Sold by: IBMCompaqQuadram
- Wikipedia: Wiki
- Review: PC Mag (Quadram)
- Info: Infoworld
- Info: Wikipedia - CGA info
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Hitachi, Ltd.
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