Tektronix 4027

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Tektronix 4027
Tektronix 4027A.jpg
Manufacturer Tektronix
Model 4027
Lifetime
Introduced May, 1978
Introductory Price $8,695
Discontinued 1985
Communication
Interfaces RS-232C,
20 mA current loop,
polling
Baud Rates 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600
Display
Size 12-inch
Refresh Rate 60 Hz
Character Modes
Resolution 80x34
Matrix 7x9
Cell 8x14
Graphic Modes
Type PseudoColor
Resolution 640x350
Firmware
CPU Intel 8080A

The Tektronix 4027 terminal was introduced in May, 1978.[1][2] It was the first color raster graphics terminal offered by Tektronix. The Tektronix 4027A terminal was introduced in 1982.[3]

The terminal consists of the following circuit board assemblies. Not all assemblies are present in every terminal, with some assemblies being dependent on certain options and multiple versions of the same assembly listed in this table.[4]

Serial Number
Part Number Eff. Disc. Description
672-0739-00 8 KB Display Memory
672-0740-00 16 KB Display Memory (Option 21 Only)
672-0741-00 32 KB Display Memory (Option 22 Only)
670-5057-xx Display Memory
670-5640-00 B010100 B010502 Display Controller
670-5640-01 B010503 Display Controller
670-5641-00 B010100 B010837 Graphics Memory Controller
670-5641-01 B010838 Graphics Memory Controller
670-6462-00 Display Controller (Option 4A and 4C Only)
672-0820-00 B010100 B010547 48 KB Graphics Memory
672-0821-01 B010548 48 KB Graphics Memory
672-0785-00 B010100 B010547 96 KB Graphics Memory (Option 27 Only)
672-0785-01 B010548 96 KB Graphics Memory (Option 27 Only)
672-0786-00 B010100 B010547 144 KB Graphics Memory (Option 28 Only)
672-0786-01 B010548 144 KB Graphics Memory (Option 28 Only)
672-0787-00 B010100 B010547 192 KB Graphics Memory (Option 29 Only)
672-0787-01 B010548 192 KB Graphics Memory (Option 29 Only)
670-5462-xx Graphics Memory
670-5720-00 Processor
670-6209-00 Processor (Option 10 Only)
670-6464-00 Processor (Option 4B and 4C Only)
670-6066-00 B010100 B010136 ROM Expansion
670-6066-01 B010137 ROM Expansion
670-5056-01 Communication
670-5643-00 B010100 B010269 Motherboard
670-5643-01 B010270 Motherboard
670-0748-00 Deflection Amplifier
670-5645-xx Deflection Amplifier
672-0749-00 B010100 B010399 Convergence & Z Axis
672-0749-01 B010400 Convergence & Z Axis
670-5644-xx Convergence & Z Axis
670-5648-00 External Convergence
670-5649-00 Display Interconnect
670-5647-00 High Voltage
670-5646-00 High Voltage Control
620-0277-00 Power Supply: Main
670-5651-00 B010100 B010379 Power Supply
670-5651-01 B010380 Power Supply
670-5652-00 Inverter
670-5257-00 Current Loop (Option 2, 10, 11 Only)
670-5260-00 RS-232 Peripheral (Option 3 Only)
670-5256-00 GPIB Peripheral (Option 4 Only)
670-5377-01 Polling Controller Interface (Option 11 Only)
670-5376-02 Polling Controller Board (Option 11 Only)
670-6764-00 Character Expansion (Option 31 Only)

Manx

Images

References

  1. Tektronix advertisement, Computerworld, May 29, 1978, pg. 30
  2. "Tektronix Catalog". Tektronix. 1979. http://bitsavers.org/pdf/tektronix/catalog/Tektronix_Catalog_1979.pdf. Retrieved April 17, 2012. 
  3. "Tektronix Catalog". Tektronix. 1982. http://manx-docs.org/collections/legalize/tektronix/catalog/Tektronix_Catalog_1982.pdf. Retrieved April 17, 2012. 
  4. 4027 Color Graphics Terminal Service Manual Volume 2, January, 1980, pg. 6-3
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