I can't explain that one then... SleepPressTime was definitely incorrectly set to zero in the 1.8.0 build.
What does this show in Terminal:
Code:
ioreg -n ApplePS2Keyboard -r ApplePS2Keyboard | grep -y sleeppresstime
| "Platform Profile" = {"Default"={"LogScanCodes"=No,"Make Application key into right windows"=No,"ActionSwipeUp"="3b d, 37 d, 7e d, 7e u, 37 u, 3b u","ActionSwipeLeft"="3b d, 37 d, 7b d, 7b u, 37 u, 3b u","Custom PS2 Map"=(";Items must be strings in the form of scanfrom=scanto (in hex)"),"SleepPressTime"=0,"Make right modifier keys into Hangul and Hanja"=No,"Make Application key into Apple Fn key"=Yes,"ActionSwipeRight"="3b d, 37 d, 7c d, 7c u, 37 u, 3b u","Swap capslock and left control"=No,"Swap command and option"=Yes,"Use ISO layout keyboard"=No,"Breakless PS2"=(";Items must be strings in the form of breaklessscan (in hex)"),"alt_handler_id"=3,"ActionSwipeDown"="3b d, 37 d, 7d d, 7d u, 37 u, 3b u","Custom ADB Map"=(";Items must be strings in the form of scanfrom=adbto (in hex)")},"HP"={"179C"="167C","17F6"="167C","167C"={"LogScanCodes"=No,"Make Application key into right windows"=No,"ActionSwipeUp"="3b d, 37 d, 7e d, 7e u, 37 u, 3b u","Function Keys Special"=(";Items must be strings in the form of scanfrom=scanto (in hex)",";The following 12 items map Fn+fkeys to fkeys","e05f=3b","e012=3c","e017=3d","e06e=3e","e00a=3f","e009=40","e020=41","e02e=42","e030=43","e010=44","e022=57","e019=58",";The following 12 items map fkeys to Fn+fkeys","3b=e05f","3c=e012","3d=e017","3e=e06e","3f=e00a","40=e009","41=e020","42=e02e","43=e030","44=e010","57=e022","58=e019"),"Custom PS2 Map"=(";Items must be strings in the form of scanfrom=scanto (in hex)"),"ActionSwipeLeft"="3b d, 37 d, 7b d, 7b u, 37 u, 3b u","SleepPressTime"=3000,"Make right modifier keys into Hangul and Hanja"=No,"Make Application key into Apple Fn key"=Yes,"ActionSwipeRight"="3b d, 37 d, 7c d, 7c u, 37 u, 3b u","Swap capslock and left control"=No,"Swap command and option"=Yes,"Use ISO layout keyboard"=No,"Breakless PS2"=(";Items must be strings in the form of breaklessscan (in hex)"),"alt_handler_id"=3,"Function Keys Standard"=(";Items must be strings in the form of scanfrom=scanto (in hex)",";The following 12 items map Fn+fkeys to Fn+fkeys","e05f=e05f","e012=e012","e017=e017","e06e=e06e","e00a=e00a","e009=e009","e020=e020","e02e=e02e","e030=e030","e010=e010","e022=e022","e019=e019",";The following 12 items map fkeys to fkeys","3b=3b","3c=3c","3d=3d","3e=3e","3f=3f","40=40","41=41","42=42","43=43","44=44","57=57","58=58"),"ActionSwipeDown"="3b d, 37 d, 7d d, 7d u, 37 u, 3b u","Custom ADB Map"=(";Items must be strings in the form of scanfrom=adbto (in hex)")}}}
| "SleepPressTime" = 3000000000
| "Platform Profile" = {"Default"={"LogScanCodes"=No,"Make Application key into right windows"=No,"ActionSwipeUp"="3b d, 37 d, 7e d, 7e u, 37 u, 3b u","ActionSwipeLeft"="3b d, 37 d, 7b d, 7b u, 37 u, 3b u","Custom PS2 Map"=(";Items must be strings in the form of scanfrom=scanto (in hex)"),"SleepPressTime"=0,"Make right modifier keys into Hangul and Hanja"=No,"Make Application key into Apple Fn key"=Yes,"ActionSwipeRight"="3b d, 37 d, 7c d, 7c u, 37 u, 3b u","Swap capslock and left control"=No,"Swap command and option"=Yes,"Use ISO layout keyboard"=No,"Breakless PS2"=(";Items must be strings in the form of breaklessscan (in hex)"),"alt_handler_id"=3,"ActionSwipeDown"="3b d, 37 d, 7d d, 7d u, 37 u, 3b u","Custom ADB Map"=(";Items must be strings in the form of scanfrom=adbto (in hex)")},"HP"={"179C"="167C","17F6"="167C","167C"={"LogScanCodes"=No,"Make Application key into right windows"=No,"ActionSwipeUp"="3b d, 37 d, 7e d, 7e u, 37 u, 3b u","Function Keys Special"=(";Items must be strings in the form of scanfrom=scanto (in hex)",";The following 12 items map Fn+fkeys to fkeys","e05f=3b","e012=3c","e017=3d","e06e=3e","e00a=3f","e009=40","e020=41","e02e=42","e030=43","e010=44","e022=57","e019=58",";The following 12 items map fkeys to Fn+fkeys","3b=e05f","3c=e012","3d=e017","3e=e06e","3f=e00a","40=e009","41=e020","42=e02e","43=e030","44=e010","57=e022","58=e019"),"Custom PS2 Map"=(";Items must be strings in the form of scanfrom=scanto (in hex)"),"ActionSwipeLeft"="3b d, 37 d, 7b d, 7b u, 37 u, 3b u","SleepPressTime"=3000,"Make right modifier keys into Hangul and Hanja"=No,"Make Application key into Apple Fn key"=Yes,"ActionSwipeRight"="3b d, 37 d, 7c d, 7c u, 37 u, 3b u","Swap capslock and left control"=No,"Swap command and option"=Yes,"Use ISO layout keyboard"=No,"Breakless PS2"=(";Items must be strings in the form of breaklessscan (in hex)"),"alt_handler_id"=3,"Function Keys Standard"=(";Items must be strings in the form of scanfrom=scanto (in hex)",";The following 12 items map Fn+fkeys to Fn+fkeys","e05f=e05f","e012=e012","e017=e017","e06e=e06e","e00a=e00a","e009=e009","e020=e020","e02e=e02e","e030=e030","e010=e010","e022=e022","e019=e019",";The following 12 items map fkeys to fkeys","3b=3b","3c=3c","3d=3d","3e=3e","3f=3f","40=40","41=41","42=42","43=43","44=44","57=57","58=58"),"ActionSwipeDown"="3b d, 37 d, 7d d, 7d u, 37 u, 3b u","Custom ADB Map"=(";Items must be strings in the form of scanfrom=adbto (in hex)")}}}
| "SleepPressTime" = 3000000000