Serials: Difference between revisions

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Applying the algorithm, we get ((3 * 21) + 19) % 10 = 2, matching the example's check digit.

The letter prefixes are a letter specifying the device, followed by one a letter specifying the region in which it was sold. ~~Sometimes~~, a third letter is present; a current guess is that this letter distinguishes among factories for a given sales region. Note that several different sales regions' console may be considered to be the same region for region-locking purposes, such as Europe and Australia.

The letter prefixes are a letter specifying the device, followed by one a letter specifying the region in which it was sold. In some regions, a third letter is present; a current guess is that this letter distinguishes among factories for a given sales region. Note that several different sales regions' console may be considered to be the same region for region-locking purposes, such as Europe and Australia.

{| class="wikitable"

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! Sales Region !! Region Lock !! Region Suffix

|-

| Japan || Japan || JH, JF

| Japan || Japan || JF, JH, JM

|-

| North America || North America || W

|-

| Middle East / Southeast Asia || North America || S

|-

| Europe || Europe || EF, EH, EM

|-

| Australia || Europe || AH

@@ Line 18: / Line 18: @@
 Applying the algorithm, we get ((3 * 21) + 19) % 10 = 2, matching the example's check digit.
-The letter prefixes are a letter specifying the device, followed by one a letter specifying the region in which it was sold.  Sometimes, a third letter is present; a current guess is that this letter distinguishes among factories for a given sales region.  Note that several different sales regions' console may be considered to be the same region for region-locking purposes, such as Europe and Australia.
+The letter prefixes are a letter specifying the device, followed by one a letter specifying the region in which it was sold.  In some regions, a third letter is present; a current guess is that this letter distinguishes among factories for a given sales region.  Note that several different sales regions' console may be considered to be the same region for region-locking purposes, such as Europe and Australia.
 {| class="wikitable"
@@ Line 37: / Line 37: @@
 ! Sales Region !! Region Lock !! Region Suffix
 |-
-| Japan || Japan || JH, JF
+| Japan || Japan || JF, JH, JM
 |-
 | North America || North America || W
 |-
 | Middle East / Southeast Asia || North America || S
+|-
+| Europe || Europe || EF, EH, EM
 |-
 | Australia || Europe || AH