The U80601 was a 16-bit microprocessor made in 1989-1990 in the former German Democratic Republic  of East Germany and thus outside Intel's power to stop it being made or sold. It was manufactured in NMOS

NMOS logic

N-type metal-oxide-semiconductor logic uses n-type metal-oxide-semiconductor field effect transistors to implement logic gates and other digital circuits...

 technology and encased in a PLCC

Plastic leaded chip carrier

A plastic leaded chip carrier is a chip carrier with a equiangular plastic housing. It is a reduced cost evolution of the ceramic leadless chip carrier ....

 or ceramic (CLCC) package (first samples).

This Central Processing Unit (CPU) was a near-identical copy of the Intel 80286

Intel 80286

The Intel 80286 , introduced on 1 February 1982, was a 16-bit x86 microprocessor with 134,000 transistors. Like its contemporary simpler cousin, the 80186, it could correctly execute most software written for the earlier Intel 8086 and 8088...

 microprocessor.

The U80600 system included the following chips:

• U80601: CPU
• U80606: Bus controller
• U80608: Error detection and correction
• U80610: Memory Management Unit
  Memory management unit
  A memory management unit , sometimes called paged memory management unit , is a computer hardware component responsible for handling accesses to memory requested by the CPU...
  
   (MMU) for 16 kbit to 256 kbit DRAMs

Planned, but never released:

• U80612: Clock generator (equiv. to DS80612, SAB82284)
• U80613: FPU (equiv. to Intel 8087
  Intel 8087
  The Intel 8087, announced in 1980, was the first floating-point coprocessor for the 8086 line of microprocessors. It had 45,000 transistors and was manufactured as a 3 μm depletion load HMOS circuit. The 8087 was built to be paired with the Intel 8088 or 8086 microprocessors...
  
   floating point math coprocessor)
• U80614, U80617, U80619: Rolanet 2
  Rolanet
  Rolanet was a networking standard, developed in the former German Democratic Republic and introduced in 1987 by the computer manufacturer Robotron. It enabled computer networking over coax cable and glass fiber with a range of 1000 meters. Networking speed was 500 kBd, comparable to...
  
   network controller (similar to Ethernet, IEEE 602.3)
• U80620: Integrated peripheral controller (CHIPS
  Chips and Technologies
  Chips and Technologies was the first fabless semiconductor company, a model developed by its founder Gordon Campbell. Founded by Dado Banatao.Its first product was an EGA IBM compatible graphics chip...
  
   or SAB82C206)
• U80621: VGA graphics controller (equiv. to Tseng Labs
  Tseng Labs
  Tseng Laboratories, Inc. was a maker of graphics chips and controllers for IBM PC compatibles, based in Newtown, Pennsylvania, and founded by Jack H-N Tseng....
  
   ET3000)
• U80622: RAMDAC
  RAMDAC
  Random Access Memory Digital-to-Analog Converter is a combination of three fast DACs with a small SRAM used in computer graphics display adapters to store the color palette and to generate the analog signals to drive a color monitor...
  
   (equiv. to Inmos
  INMOS
  Inmos Limited was a British semiconductor company, founded by Iann Barron, with both the head office and the design office at Aztec West in Bristol, it was incorporated in November 1978.- Products :...
  
  IMSG171P50)