Early CRT controller with later marking.
Chipset itself is from year 1977. Used in various microcomputers and also cloned by many companies. P in the name of chip mean Plastic package, L mean Ceramic package, S mean Cerpid package.
B mean Frequency 2MHz. Card is from Czechoslovak PC XT clone PP 06.
Palcal's card:
(20) SM3154
(20) SM3154Additional Info
- Made by: Motorola
- Codename: MC68B45
- Bus: Other
- Memory Size: 16kB
- Memory Type: DRAM
- Year: 1984
- Card Type: CGA
- Owned by: Palcal
- Outputs: 9 pin D‐sub, RCA/CINCH
- Power consumption (W): 0.75
- Core Clock (MHz): 2
- Sold by: Tesla
- Wikipedia: Wiki
- Info: Historicka technika (PP 06)
- Info: litildivil (PP 06)