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update overclock options

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Due to some people reporting SD card corruption, back off on overclocking
core_freq for all overclock options other than turbo. For turbo, bump SDRAM
overclock to 600 and warn the user that some people have reported SD card
corruption.
This commit is contained in:
Alex Bradbury 2012-10-28 20:54:10 +00:00
parent d65377afc7
commit a7a7b12ad0
1 changed files with 14 additions and 10 deletions
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24
raspi-config
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@ -211,15 +211,16 @@ do_overclock() {
whiptail --msgbox "\
Be aware that overclocking may reduce the lifetime of your
Raspberry Pi. If overclocking at a certain level causes
system instability, try a more modest overclock. See
http://elinux.org/RPi_Overclocking for more information.\
system instability, try a more modest overclock. Hold down
shift during boot to temporarily disable overclock.
See http://elinux.org/RPi_Overclocking for more information.\
" 20 70 1
OVERCLOCK=$(whiptail --menu "Chose overclock preset" 20 60 10 \
"None" "700MHz ARM, 250MHz core, 400MHz SDRAM, 0 overvolt" \
"Modest" "800MHz ARM, 300MHz core, 400MHz SDRAM, 0 overvolt" \
"Medium" "900MHz ARM, 333MHz core, 450MHz SDRAM, 2 overvolt" \
"High" "950MHz ARM, 450MHz core, 450MHz SDRAM, 6 overvolt" \
"Turbo" "1000MHz ARM, 500MHz core, 500MHz SDRAM, 6 overvolt" \
"Modest" "800MHz ARM, 250MHz core, 400MHz SDRAM, 0 overvolt" \
"Medium" "900MHz ARM, 250MHz core, 450MHz SDRAM, 2 overvolt" \
"High" "950MHz ARM, 250MHz core, 450MHz SDRAM, 6 overvolt" \
"Turbo" "1000MHz ARM, 500MHz core, 600MHz SDRAM, 6 overvolt" \
3>&1 1>&2 2>&3)
if [ $? -eq 0 ]; then
case "$OVERCLOCK" in
@ -227,16 +228,19 @@ http://elinux.org/RPi_Overclocking for more information.\
set_overclock None 700 250 400 0
;;
Modest)
set_overclock Modest 800 300 400 0
set_overclock Modest 800 250 400 0
;;
Medium)
set_overclock Medium 900 333 450 2
set_overclock Medium 900 250 450 2
;;
High)
set_overclock High 950 450 450 6
set_overclock High 950 250 450 6
;;
Turbo)
set_overclock Turbo 1000 500 500 6
whiptail --msgbox "Warning: some people have reported SD card corruption with this level of overclock." \
20 70 1
[ $? -ne 0 ] && return 1
set_overclock Turbo 1000 500 600 6
;;
*)
whiptail --msgbox "Programmer error, unrecognised overclock preset" 20 60 2