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The Casio PB-2000C computer

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Technical specifications
RAM (total)	:	32 / 64 Kb (0 or 1 ramcard of 32 Kb)
RAM available	:	20,599 / 53,247 bytes
ROM	:	64 Kb + Optional ROM card
CPU	:	HD61700A
Text screen	:	4 lines of 32 characters
Graphic screen	:	32 x 192 pixels
Sound	:	Dual tone beep (high, low)
Size	:	188 x 83 x 15 mm
Weight	:	250 g. with batteries
Year	:	198?
Power	:	3 CR-2032 + 1 CR-1220 lithium batteries
Extensions
Memory	:	RP-33     32 Kb
		OM-51P ROM card PROLOG language
		OM-53B ROM card BASIC language
		OM-54A ROM card CASL language
Printer	:	FP-40      Thermal technology (using FA-7 and SB-43)
		FP-100    4 color technology (using the FA-7 or the MD-100)
Storage	:	FA-7       External tape interface
		MD-100  Integrated 3.5" floppy drive
I/O	:	FA-7       RS-232 / Centronic interface
		MD-100  RS-232 / Centronic interface