Texas Instruments

• Desktop line

Model: TI-5100
Battery:                
Adapter:  AC/DC 220 volt -12 volt  
Year: 1981
Chip: TMC1073    
Info:  DESKTOP line 

• Desktop line

Model: TI-5112
Battery: 2 x AA           
Adapter: 
Year: 1988
Chip: Toshiba T6736S      
Info:

• Modern Desktop

Model: TI-5130
Battery: 220 volt        
Adapter: AC9900/T2
Year: 1983
Chip: NEC uPD1234G      
Info: donated by the cellar clearer

• Modern Desktop

Model: TI-5130 II
Battery: 220 volt        
Adapter: 
Year: 1987
Chip: NEC uPD1234G      
Info: made in Japan   

• Modern Desktop

Model: TI-5150
Battery: 220 volt        
Adapter: 
Year: 1990
Chip:  
Info: