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NAME  

SIM4-01 (MCS-4)

MANUFACTURER  

Intel

TYPE  

Design Kit Microcomputer

ORIGIN  

U.S.A.

YEAR  

1971

BUILT IN LANGUAGE 

Monitor in ROM

KEYBOARD  

ASR 33 teletype (TTY)

CPU  

Intel 4004

SPEED  

100 KHz

COPROCESSOR  

None

RAM  

1280 Bytes

VRAM  

None

ROM  

4 KB

SIZE / WEIGHT 

9 (W) x 6 (D) x .1 (H) inch

I/O PORTS 

6 I/O ports (2 in and 4 out), ASR 33 Teletype

TEXT MODES 

None

OS  

Monitor in ROM

POWER SUPPLY 

External 5 VDC power supply unit

PERIPHERALS  

MP7-03 EPROM Programming card, Paper tape reader, ASR 33 teletype

PRICE  

Unknown

 

Intel SIM4-01 (MCS-4)

When a customer requested custom ICs for its new calculator, Intelís Ted Hoff proposed an alternate solution: a general-purpose 4-bit computer on just four chips. Federico Faggin adapted the companyís MOS memory technology to squeeze the 4004 microprocessorís 2,300 transistors onto a single chip.

Intel, seeing the potential for sales to other customers, secured marketing rights. They introduced this groundbreaking microcomputer chip family to the world in 1971 as the MCS-4 Micro Computer Set.

Not even a year later Intel released their first 8 bit CPU and an updated MCS-8 microcomputer.


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