Specifications for Monroe 1860

Manufacturer:		Monroe Division of Litton Business Systems
Model Number:		1860
Serial Number:		
Date of Manufacture:	1973
Manufactured In:	USA (Compucorp)
Original Price:		$3240 (Base Configuration), per Sept. '73 price list)
Weight:			22 1/2 Pounds
Size:			15" Wide, 14 1/2" Deep, 7" High
Power Requirement:	110 VAC, 60Hz
Display Technology:	None - Drum Impact Printer, 21 column, 2 color ribbon
			 2 1/2 line per second print speed.
Logic Technology:	LSI Chipset, AMI, ACL-01 through ACL-07 (Compucorp Design)
			Logic contained on nine plug-in circuit boards
			Dynamic RAM for program & memory storage
Digits of Capacity:	13 Mantissa + 2 Exponent (10 digits of mantissa printed)
Decimal Modes:		Fixed decimal from 0 to 9 digits behind decimal,
			 via "SET DP" function on keyboard
Arithmetic Logic:	Algebraic, parenthesis to 2 levels of nesting
Math Functions:		Full compliment of scientific and statistics functions
Constant:		Yes, automatic on Multiply and Divide
Memories:		10 Built-in scratchpad registers
                         Base memory of 64 registers, expandable in 64 register increments ($270 for each 64 registers)
Programmable:		Yes, Learn-mode
                         Base program memory is 512 steps, expandable in 512-step increments ($270 for each 512 steps)
			Test and Branch, Labeled Branches, Program Editing Functions
			 Indirect Memory Register access, 6-level subroutine nesting.
			Built-in Magnetic Card Reader for Program/Data Storage
                         Each card holds 256 instructions or 32 data registers per side
Other Features:		External device interface for I/O devices
			"Standby" power mode to keep memory content alive
Notes:			Exhibited machine appears to be an engineering test/prototype machine

Previous Machine:	Sharp EL-8109
Next Machine:		Texas Instruments SR-60

Related Machines:	Compucorp 120
			Compucorp 122E
			Compucorp 140


Advertising:		Monroe 1860 Key Features
			Monroe 1860 Specifications

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