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The II used an updated design that looked like a backward S when viewed from the side, starting relatively flat to the surface, sloping upward through the section where the keys were situated, and then flattening out again at the back where the function keys were placed. The case did not extend down
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In 1988 Apple
Ireland commissioned Design ID, an industrial design consultancy based in Limerick, to assist with the development of the Extended Keyboard II. Original concepts were by Bryan Leech and Peter Sheehan. For the final proposal quieter key mechanisms were sourced, tested and specified, an
321:
The original Apple
Extended Keyboard's case was sloped upward towards the rear so that when viewed from the side it formed a continuous convex curve. The case extended downward to sit on the desk, so it provided considerable internal volume. The case also had a significant amount of empty space at
344:
adjustable foot was incorporated in the base and the keys were positioned to conform to
European ergonomic standards. The ‘S curve profile’ matched the curving terraced key layout and was central to delivering the ergonomic improvements - aesthetics and function in a simple visual gesture.
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the rear, behind the top row of keys. This made for a relatively large and heavy case. The plastic of the case shell below the keyboard section on top was serrated, a common detail found on many Apple products of the era.
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under the keyboard as much, instead, it was raised off the desk by an adjustable foot at the back. This design was lighter than the original at 3.75 pounds (1.70 kg) but otherwise similar in size.
317:
This side view of the
Extended II shows its S-shaped upper surface, one of the two ADB ports, the deep serrated case which can rest on the desktop, and the single wide support leg that angles it upward.
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Both versions were very similar, differing primarily with the addition of adjustable height legs in the AEKII and other minor changes. Both used
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The first working prototype of the
Extended Keyboard II was produced at Design ID by Richard Howe, Donal Ryan and John Fitzgerald.
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which featured only one ADB port and which used rubber dome switches rather than Alps
Electric switches.
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The design patent for the
Extended Keyboard II (D335,228) was filed on November 15, 1990.
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Two small cylinders project vertically from the top of the keyboard on either side of the
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Alps
Electric Co. US patent for Pushbutton switch with aural confirmation of operation
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Unlike previous
Macintosh keyboards, the key layout was very similar to the
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230:(ADB) to connect to the host computer, with ports on either side to allow
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304:. These were used to hold templates with application-specific key guides.
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Large spacing between keys, especially the top function keys and others.
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was responsible for supplementary industrial design work and DFMA (
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A Tale of Two
Keyboards: Apple Extended Keyboard II vs IBM Model M
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18:
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Has ‘the Best Keyboard Apple Ever Made’ Been Resurrected?
257:
Among the features that make this keyboard unique are:
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The Legendary Apple Extended Keyboard (Lowendmac.com)
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The height allows it to fit under the "chin" of the
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333:programs (run via emulation or coprocessor board).
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93:
211:starting in 1987. It was replaced in 1990 by the
46:but its sources remain unclear because it lacks
329:'s keyboard, in order to improve usability of
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203:that was first sold separately alongside the
8:
1438:Products and services discontinued in 1990
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454:
432:
418:
410:
99:
271:that physically locks down when activated
77:Learn how and when to remove this message
245:In 1994, Apple would begin shipping the
167:October 15, 1990 (Extended Keyboard II)
1433:Computer-related introductions in 1987
90:
234:of another input device, typically a
177:March 14, 1994 (Extended Keyboard II)
7:
359:Design for Manufacture and Assembly
14:
1233:Mouse and other pointing devices
1050:Macintosh Processor Upgrade Card
23:
1072:Twentieth Anniversary Macintosh
1121:AppleColor High-Resolution RGB
112:
1:
247:AppleDesign Keyboard (M2980)
117:M0115 (original); M3501 (II)
175:October 15, 1990 (original)
1454:
1366:Interactive Television Box
265:using a different key cap.
213:Apple Extended Keyboard II
105:Apple Extended Keyboard II
1409:Apple hardware since 1998
1405:
98:
1269:Apple Communication Slot
1116:AppleColor Composite IIe
165:March 2, 1987 (original)
32:This article includes a
279:mechanical key switches
193:Apple Extended Keyboard
94:Apple Extended Keyboard
61:more precise citations.
1055:Apple Workgroup Server
318:
16:Keyboard by Apple Inc.
1259:Apple II serial cards
761:68k-based PowerBooks
316:
1067:Apple Network Server
1023:Big Mac and Baby Mac
443:hardware before 1998
199:, model M0115) is a
1428:Macintosh keyboards
1407:See also template:
1302:Daisy Wheel Printer
1228:Adjustable Keyboard
890:5200 LC and 5300 LC
1297:Dot Matrix Printer
1034:Macintosh Performa
1002:Power Macintosh G3
833:-based PowerBooks
757:Macintosh Portable
319:
34:list of references
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1414:
1401:
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1322:Color LaserWriter
1317:410 Color Plotter
1223:Extended Keyboard
1085:
1084:
1077:Macintosh history
1039:Macintosh Centris
517:Compact Macintosh
275:Alps Electric Co.
228:Apple Desktop Bus
201:computer keyboard
189:
188:
156:Apple Desktop Bus
87:
86:
79:
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1136:Multiple Scan 14
1094:
681:Macintosh Quadra
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1046:(Macintosh PDS)
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874:Power Macintosh
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253:Unique features
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38:related reading
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394:External links
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371:Apple Keyboard
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236:computer mouse
232:daisy chaining
221:Macintosh IIsi
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136:Apple Keyboard
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132:Product family
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126:Apple Computer
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42:external links
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1011:Miscellaneous
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656:LC 500 series
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565:Color Classic
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302:function keys
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269:Caps Lock Key
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146:Alps Electric
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67:December 2019
60:
56:
50:
49:
43:
39:
35:
30:
21:
20:
1222:
1177:Hard Disk 20
1029:Macintosh XL
986:9000 series
966:8000 series
936:7000 series
911:6000 series
886:5000 series
671:Macintosh TV
628:Macintosh LC
575:Macintosh II
351:Steven Peart
349:
346:
342:
339:
335:
324:
320:
295:Macintosh SE
288:Macintosh II
256:
244:
225:
216:
212:
205:Macintosh II
196:
192:
190:
172:Discontinued
122:Manufacturer
88:
73:
64:
53:Please help
45:
1327:StyleWriter
1312:LaserWriter
1307:ImageWriter
1218:Desktop Bus
1111:Monitor III
1090:Peripherals
1025:(cancelled)
713:600 series
261:A separate
142:Keyswitches
59:introducing
1422:Categories
1345:MessagePad
1252:Networking
1106:Monitor II
1018:Apple Lisa
824:500 series
765:100 series
560:Classic II
377:References
355:frogdesign
162:Introduced
1350:eMate 300
1292:Silentype
1264:LocalTalk
1243:QuickTake
1167:Macintosh
749:PowerBook
450:Computers
327:IBM PC/AT
263:power key
240:trackball
152:Interface
1393:W.A.L.T.
1284:Printers
1213:Keyboard
1162:FileWare
1098:Displays
507:III Plus
492:IIc Plus
459:Apple II
365:See also
1376:Paladin
1274:GeoPort
1238:Scanner
1192:PowerCD
1187:AppleCD
1172:ProFile
1157:Disk II
831:PowerPC
666:5200 LC
555:Classic
477:II Plus
185:US$ 163
55:improve
1386:Bandai
1381:Pippin
1371:Mac NC
1337:Newton
661:LC 630
651:LC 475
646:LC III
331:MS-DOS
309:Design
277:brand
111:Model
1359:Other
857:2400c
852:3400c
837:2300c
727:660AV
709:840AV
641:LC II
550:SE/30
535:512Ke
441:Apple
217:AEKII
182:Price
40:, or
1060:9150
995:9600
990:9500
980:8600
975:8500
970:8100
960:7600
955:7500
950:7300
940:7100
930:6500
925:6400
915:6100
905:5500
900:5400
895:5260
847:1400
842:5300
618:IIvx
613:IIvi
608:IIsi
603:IIfx
598:IIci
593:IIcx
540:Plus
530:512K
525:128K
497:IIGS
207:and
191:The
817:230
812:210
807:Duo
800:190
795:150
790:180
785:160
780:170
775:140
770:100
737:630
732:605
722:650
717:610
704:800
699:950
694:900
689:700
588:IIx
502:III
487:IIc
482:IIe
353:of
238:or
197:AEK
113:no.
1424::
862:G3
636:LC
583:II
545:SE
472:II
242:.
223:.
209:SE
44:,
36:,
467:I
433:e
426:t
419:v
297:.
290:.
215:(
195:(
80:)
74:(
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65:(
51:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
