TEC 440 - Revision history

Legalize: formatting

2026-03-10T14:47:17Z

formatting

2026-03-10T14:46:37Z

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2026-03-10T14:45:57Z

‎Images

2026-02-25T23:03:24Z

infobox

2026-02-25T23:02:19Z

infobox

2026-02-25T02:46:28Z

attributes

2026-02-25T02:44:35Z

tweak formatting

2026-02-25T02:39:31Z

Expand article with Gemini

2016-10-05T21:58:12Z

Add images

2013-03-03T21:21:28Z

Text replace - "\[http:\/\/manx.classiccmp.org\/details.php\/([^ ]+) ([^]]+)\]" to "{{manx details|$1|$2}}"

@@ Line 21: / Line 21: @@
 The '''{{PAGENAME}}''' is a "fourth-generation"
-asynchronous CRT computer terminal manufactured by '''TEC,
+asynchronous CRT computer terminal manufactured by '''TEC, Incorporated'''
-Incorporated''' of Tucson, Arizona. Formally introduced in June 1972,
+of Tucson, Arizona. Formally introduced in June 1972,
 the Model 440 was designed as a high-reliability, solid-state
 alternative to mechanical teleprinters, providing a plug-compatible

@@ Line 2: / Line 2: @@
 | manufacturer = TEC
 | model = 440
-| image = TEC_440.jpg
+| image = TEC 400.jpg
 | intro_month = June
 | intro_year = 1972
@@ Line 20: / Line 20: @@
 }}
-The '''TEC Model 440 DATA-SCREEN''' is a "fourth-generation"
+The '''{{PAGENAME}}''' is a "fourth-generation"
 asynchronous CRT computer terminal manufactured by '''TEC,
 Incorporated''' of Tucson, Arizona. Formally introduced in June 1972,

@@ Line 104: / Line 104: @@
 File:TEC 440 252569897814-9.jpg
 File:TEC 440 252569897814-10.jpg
 </gallery>

@@ Line 7: / Line 7: @@
 | intro_price = $2,245
 | interface = RS-232C
-| interface2 = TTL
+| interface2 = TTL serial
 | interface3 = 20 mA current loop
 | interface4 = 60 mA current loop

@@ Line 7: / Line 7: @@
 | intro_price = $2,245
 | interface = RS-232C
-| baud_rates = 110-9600
+| interface2 = TTL
 | display_size = 12-inch
 | refresh_rate = 60

@@ Line 14: / Line 14: @@
 | char_resolution2 = 72x24
 | graphics_resolution =
 }}

@@ Line 22: / Line 22: @@
 alternative to mechanical teleprinters, providing a plug-compatible
 replacement for the [[Teletype Model 33]] and [[Teletype Model 35]]
-KSR units.<ref>
+KSR units.<ref>{{manx details|111,18397|Teletype Replaceable Data-Screen Terminal Model 440 Product Description}}</ref>
 ==Design and Hardware==

@@ Line 3: / Line 3: @@
 | model = 440
 | image = TEC_440.jpg
-| intro_month =June
+| intro_month = June
 | intro_year = 1972
 | intro_price = $2,245
@@ Line 9: / Line 9: @@
 | baud_rates = 110-9600
 | display_size = 12-inch
 | char_matrix = 5x7
 | char_resolution = 80x24
 | char_resolution2 = 72x24
 }}
-The {{PAGENAME}} terminal was introduced in June, 1972 at a price of $2,245.{{Computerworld
-| id=_GFqy-RrTtAC
+Internally, the Model 440 utilizes modular printed circuit boards for
-| page_prefix=PT
+timing, memory, and character generation. It supports asynchronous
-| pg=12
+serial communication via an RS-232C interface at baud rates ranging
-| title="Tec CRT Handles Dual Speed Data Flow to Optimize CPU"
+from 110 up to 9600. The memory architecture consists of 1,920
-| date=June 28, 1972
+character MOS shift-register storage. The unit also features an
 }}
+Its rugged design and "handsome styling" were hallmarks of TEC's
-Features:
+DATA-SCREEN Series 400 family.
 == [[Manx]] ==
 * {{manx details|111,18397|Teletype Replaceable Data-Screen Terminal Model 440 Product Description}}, October, 1972
 * {{manx details|111,18396|TEC Data-Screen Terminals Reference Drawings Model 440}}, September, 1974
@@ Line 45: / Line 106: @@
 </gallery>
 {{References}}