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keyboard:apple_extended_keyboard_ii [26 Mar 2026 04:55] – [Apple Extended Keyboard II] kozakkeyboard:apple_extended_keyboard_ii [28 Apr 2026 01:47] (current) – frutiger
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 |  **Apple Extended Keyboard II**  || |  **Apple Extended Keyboard II**  ||
-| {{ :keyboard:asie-aekii-1.jpg?300&detail |An AEKII}} ||+| {{ :keyboard:asie-aekii-1.jpg?300 |An AEKII}} ||
 | **Switch** | [[switch:alps_skcm_tan|Alps SKCM Salmon]] \\ [[switch:alps_skcm_ivory|Alps SKCM Ivory]] \\ [[switch:alps_skcm_white_ivory|Alps SKCM White Ivory]] \\ [[switch:alps_skcl_lock|Alps SKCL Lock]] | | **Switch** | [[switch:alps_skcm_tan|Alps SKCM Salmon]] \\ [[switch:alps_skcm_ivory|Alps SKCM Ivory]] \\ [[switch:alps_skcm_white_ivory|Alps SKCM White Ivory]] \\ [[switch:alps_skcl_lock|Alps SKCL Lock]] |
 | **Sense method** | Metal contact | | **Sense method** | Metal contact |
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 ==== Construction & Changes ==== ==== Construction & Changes ====
 +
 === Case & Internals === === Case & Internals ===
  
-The case is divided into two halves, a top and bottom-case, as well as the internal assembly. The top-case is secured by a single screw positioned at the back. +The case is divided into two halves, a top and bottom-case, as well as the internal assembly. The top-case is secured by a single screw positioned at the back.
  
 Compared to its predecessor, the [[Apple Extended Keyboard]], the keyboard has had a few notable changes in terms of case design: Compared to its predecessor, the [[Apple Extended Keyboard]], the keyboard has had a few notable changes in terms of case design:
 +
   * The case has a curvy "S" shape to the side, rather than the single upwards swoop on the [[Apple Extended Keyboard]].   * The case has a curvy "S" shape to the side, rather than the single upwards swoop on the [[Apple Extended Keyboard]].
   * The Apple logo is located at the top-left, rather than on the bottom-left.   * The Apple logo is located at the top-left, rather than on the bottom-left.
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 === Switches === === Switches ===
  
-The **Apple Extended Keyboard II** initially came equipped with [[switch:alps_skcm_tan|Alps SKCM Salmon]] before changing to dampened switches during the 28th week of 1990. [[switch:alps_skcm_ivory|Alps SKCM Ivory]] switches were used up until early 1995 when they were replaced by [[switch:alps_skcm_white_ivory|Alps SKCM White Ivory]].+The **Apple Extended Keyboard II** initially came equipped with [[switch:alps_skcm_tan|Alps SKCM Salmon]] on US-made units before switching to dampened switches during the 28th week of 1990. Units made in the US or Mexico with dampened switches will include an 🅂 symbol on one or both rear labels. All units made in Ireland (ISO-layout) come equipped with dampened switches. [[switch:alps_skcm_ivory|Alps SKCM Ivory]] switches were used up until early 1995 when they were replaced by [[switch:alps_skcm_white_ivory|Alps SKCM White Ivory]].
  
 The Caps Lock key always uses a [[switch:alps_skcl_lock|Alps SKCL Lock]] latching switch. The Caps Lock key always uses a [[switch:alps_skcl_lock|Alps SKCL Lock]] latching switch.
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 Date of manufacture can be determined from the serial number sticker on the rear. For units manufactured in the US, the format **APywwxxx%MO312** is used, where: Date of manufacture can be determined from the serial number sticker on the rear. For units manufactured in the US, the format **APywwxxx%MO312** is used, where:
 +
   * **y** is the last digit of the year   * **y** is the last digit of the year
   * **ww** is the week number   * **ww** is the week number
   * **xxx** is an alphanumeric serial   * **xxx** is an alphanumeric serial
 +
 For example: **AP0112EL%MO312** would be from the 11th week of 1990. For example: **AP0112EL%MO312** would be from the 11th week of 1990.
  
 Switch type can be inferred from date of manufacture and other information present on the rear labels: Switch type can be inferred from date of manufacture and other information present on the rear labels:
 +
   * [[switch:alps_skcm_tan|Alps SKCM Salmon]] switches are found in models manufactured in U.S.A. with ©1989 or ©1990 with no 🅂 symbol present and a serial number indicating manufacture no later than week 28 of 1990.   * [[switch:alps_skcm_tan|Alps SKCM Salmon]] switches are found in models manufactured in U.S.A. with ©1989 or ©1990 with no 🅂 symbol present and a serial number indicating manufacture no later than week 28 of 1990.
   * [[switch:alps_skcm_ivory|Alps SKCM Ivory]] switches are found in models manufactured in Ireland with ©1989 or models manufactured in U.S.A. with ©1990 and an 🅂 symbol present on one or both rear labels.   * [[switch:alps_skcm_ivory|Alps SKCM Ivory]] switches are found in models manufactured in Ireland with ©1989 or models manufactured in U.S.A. with ©1990 and an 🅂 symbol present on one or both rear labels.
   * [[switch:alps_skcm_white_ivory|Alps SKCM White Ivory]] switches are found in models manufactured in U.S.A., Mexico, or Ireland with ©1995.   * [[switch:alps_skcm_white_ivory|Alps SKCM White Ivory]] switches are found in models manufactured in U.S.A., Mexico, or Ireland with ©1995.
- 
  
 === Keycaps === === Keycaps ===
  
-The keycaps are made primarily from PBT plastic except for the spacebar, which was made in ABS plastic. They boast a unique profile exclusive to Apple keyboards of that era, such as the [[Apple Standard Keyboard]] and [[Apple Extended Keyboard]]. +The keycaps are made primarily from PBT plastic except for the spacebar, which was made in ABS plastic. They boast a unique profile exclusive to Apple keyboards of that era, such as the [[Apple Standard Keyboard]] and [[Apple Extended Keyboard]].
  
 However, unique to the **Apple Extended Keyboard II**, the "Power" keycap has flat profile. This differs from its predecessor, which had the same profile as all the other keycaps in its row. However, unique to the **Apple Extended Keyboard II**, the "Power" keycap has flat profile. This differs from its predecessor, which had the same profile as all the other keycaps in its row.
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 == Apple Extended Keyboard II (M3501B, UK) == == Apple Extended Keyboard II (M3501B, UK) ==
 +
   * FCC ID: BCGM3501   * FCC ID: BCGM3501
   * Made in Ireland   * Made in Ireland
 +
 <gallery>  <gallery> 
 keyboard:asie-aekii-1.jpg keyboard:asie-aekii-1.jpg
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 </gallery> </gallery>
  
-\\+== Apple Extended Keyboard II (M3501, US) ==
  
 +  * FCC ID: BCGM3501
 +  * Made in U.S.A. ©1990
 +  * [[switch:alps_skcm_tan|Alps SKCM Salmon]] switches
 +
 +<gallery> 
 +keyboard:apple_aekii-us.jpg
 +keyboard:apple_aekii-us_labels.jpg
 +keyboard:apple_aekii-us_switch.jpg
 +</gallery>
 +
 +\\
  
 +{{tag>keyboard:sense-contact keyboard:protocol-adb keyboard:oem-alps keyboard:oem-apple protocol-adb keyboard:keycaps-dyesub}}
  
-{{tag>keyboard:sense-contact keyboard:protocol-adb keyboard:oem-apple protocol-adb keyboard:keycaps-dyesub}} 
  
keyboard/apple_extended_keyboard_ii.1774500933.txt.gz · Last modified: 26 Mar 2026 04:55 by kozak
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