Overclocking - Revision history

imported_>sixwheeledbeast: Reverted edits by 84.247.45.105 (Talk) to last revision by sixwheeledbeast

2021-07-24T00:05:58Z

Reverted edits by 84.247.45.105 (Talk) to last revision by sixwheeledbeast

← Older revision		Revision as of 00:05, 24 July 2021
Line 9:		Line 9:
	==Warnings==		==Warnings==

			* Overclocking WILL VOID YOUR WARRANTY. Your warranty does not cover running the device beyond the specifications.
	* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]		* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]
	* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)		* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)
	* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.		* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.
	* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.		* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.
	* Nokia's overclocking warning: ~~600~~ MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.		* Nokia's overclocking warning: 500 MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.
	* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]		* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]
	* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]		* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]

84.247.45.105: /* Warnings */

2021-07-23T21:02:38Z

Warnings

← Older revision		Revision as of 21:02, 23 July 2021
Line 9:		Line 9:
	==Warnings==		==Warnings==

	* Overclocking WILL VOID YOUR WARRANTY. Your warranty does not cover running the device beyond the specifications.
	* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]		* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]
	* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)		* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)
	* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.		* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.
	* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.		* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.
	* Nokia's overclocking warning: ~~500~~ MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.		* Nokia's overclocking warning: 600 MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.
	* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]		* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]
	* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]		* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]

imported_>sixwheeledbeast: Reverted edits by 84.247.45.61 (Talk) to last revision by 46.53.176.225

2021-05-04T18:24:57Z

Reverted edits by 84.247.45.61 (Talk) to last revision by 46.53.176.225

← Older revision		Revision as of 18:24, 4 May 2021
Line 9:		Line 9:
	==Warnings==		==Warnings==

			* Overclocking WILL VOID YOUR WARRANTY. Your warranty does not cover running the device beyond the specifications.
	* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]		* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]
	* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)		* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)
	* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.		* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.
	* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.		* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.
	* Nokia's overclocking warning: ~~600~~ MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.		* Nokia's overclocking warning: 500 MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.
	* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]		* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]
	* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]		* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]

84.247.45.61: Even the newest N900 is long out of warranty by now.

2021-05-04T17:45:12Z

Even the newest N900 is long out of warranty by now.

← Older revision		Revision as of 17:45, 4 May 2021
Line 9:		Line 9:
	==Warnings==		==Warnings==

	* Overclocking WILL VOID YOUR WARRANTY. Your warranty does not cover running the device beyond the specifications.
	* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]		* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]
	* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)		* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)
	* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.		* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.
	* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.		* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.
	* Nokia's overclocking warning: ~~500~~ MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.		* Nokia's overclocking warning: 600 MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.
	* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]		* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]
	* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]		* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]

46.53.176.225: /* Warnings */ Removed broken link

2016-12-31T00:15:19Z

Warnings: Removed broken link

← Older revision		Revision as of 00:15, 31 December 2016
Line 14:		Line 14:
	* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.		* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.
	* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.		* You do it at your own responsibility. No whining afterwards. If you're unsure, don't do it.
	* ~~[http://depot.javispedro.com/nit/thewarningtm.jpeg~~ Nokia's overclocking warning]: 500 MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.		* Nokia's overclocking warning: 500 MHz is the normal frequency. Everything above is not good for your device, even with the stock kernel.
	* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]		* Igor Stoppa's [http://talk.maemo.org/showpost.php?p=596149&postcount=904 warning] and [http://talk.maemo.org/showpost.php?p=603833&postcount=66 comment]
	* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]		* [http://talk.maemo.org/showpost.php?p=596274&postcount=937 chip vendors specs]

46.53.176.225: /* Warnings */ Fix wiki link

2016-12-31T00:14:06Z

Warnings: Fix wiki link

← Older revision		Revision as of 00:14, 31 December 2016
Line 10:		Line 10:

	* Overclocking WILL VOID YOUR WARRANTY. Your warranty does not cover running the device beyond the specifications.		* Overclocking WILL VOID YOUR WARRANTY. Your warranty does not cover running the device beyond the specifications.
	* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration ~~electromigration~~]]		* The lifetime of your device WILL get reduced as a result of [[:wikipedia:Electromigration]]
	* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)		* Your device might not perform properly - bizarre bugs and corruption may result from the CPU being physically unable to cope with higher frequencies (see the next point)
	* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.		* All devices are not made equal - some may be able to handle 1.15GHz daily just fine, while some may be unstable even at 720MHz.

imported_>hurrian: More rearragements.

2012-06-08T15:12:26Z

More rearragements.

← Older revision		Revision as of 15:12, 8 June 2012
Line 36:		Line 36:
	** In the event you have decided to file a bug report or open a thread about your problem, please add a note to that report, mentioning that you are or previously were in fact running your device overclocked. Please also provide details about the period and amount of overclocking used.		** In the event you have decided to file a bug report or open a thread about your problem, please add a note to that report, mentioning that you are or previously were in fact running your device overclocked. Please also provide details about the period and amount of overclocking used.
	* The reason for these requirements is that there are many problems pending for developer's attention. It is a huge waste of time to try and trace down an error without knowing all the facts, just to find out in the end that the particular problem was caused by a damaged hardware. If the developers know about it, they can take it into account and won't rule out a 1+1=3 problem on the reporter's device during their analysis.		* The reason for these requirements is that there are many problems pending for developer's attention. It is a huge waste of time to try and trace down an error without knowing all the facts, just to find out in the end that the particular problem was caused by a damaged hardware. If the developers know about it, they can take it into account and won't rule out a 1+1=3 problem on the reporter's device during their analysis.

	~~==Available kernels==~~

	~~Overclocking requires installation of a custom kernel. There are two types of kernels:~~
	# [[Kernel_Power\|kernel-power]], developed by Titan and maintained by Pali '''(recommended)'''. They are compatible with [[Maemo 5/PR1.2\|PR1.2]] and [[Maemo 5/PR1.3\|PR1.3]], contain lots of additional features (IPv6, NAT etc) and bugfixes. In addition, they include a large set of possible frequencies (125 MHz-1.15 GHz) which can be manually set and tested without flashing a new kernel. The defaults are set to the standard 250-600 MHz range. This guide recommends using kernel-power v50, which at the time of writing is available in the [[extras]] catalog. Newer, more experimental kernels may be available through [[extras-testing]] or [[extras-devel]].
	~~# Modified [[Maemo 5/PR1.1\|PR1.1]] kernels by Lehto and others. The only difference from the stock Nokia kernel is the change of the available hardcoded frequencies.~~

	==Additional information and hints==		==Additional information and hints==
Line 57:		Line 51:

	==Installing a modified kernel==		==Installing a modified kernel==
			Overclocking and undervolting require installation of a custom kernel.
			There are two types of kernels:

			===Kernel-Power (recommended)===
			[[Kernel_Power\|kernel-power]], developed by Titan and maintained by Pali.
			They are compatible with [[Maemo 5/PR1.2\|PR1.2]] and [[Maemo 5/PR1.3\|PR1.3]], contain lots of additional features (IPv6, NAT etc) and bugfixes. In addition, they include a large set of possible frequencies (125 MHz-1.15 GHz) which can be manually set and tested without flashing a new kernel.

			The defaults are set to the standard 250-600 MHz range.

			This guide recommends using kernel-power v50, which at the time of writing is available in the [[extras]] catalog. Newer, more experimental kernels may be available through [[extras-testing]] or [[extras-devel]].

	~~===Kernel-Power===~~
	====Installing from the repositories====		====Installing from the repositories====
	# Open the Application Manager		# Open the Application Manager
Line 65:		Line 68:

	===Lehto's Kernel and other legacy kernels===		===Lehto's Kernel and other legacy kernels===
			Modified [[Maemo 5/PR1.1\|PR1.1]] kernels by Lehto and others. The only difference from the stock Nokia kernel is the change of the available hardcoded frequencies.

	====Flashing from X Terminal====		====Flashing from X Terminal====

	* do a backup, have a PC nearby and know you are able to flash the N900 with flasher-3.5 - just in case		* do a backup, have a PC nearby and know you are able to flash the N900 with flasher-3.5 - just in case

	# Launch ~~xterminal app~~ then type sudo gainroot ~~(need rootsh installed)~~		# Launch X Terminal, then type<pre>sudo gainroot</pre>
	# Type:<pre>softupd -vv -s --local</pre>(that is a double v)		# Type:<pre>softupd -vv -s --local</pre>(that is a double v)
	# Open new terminal		# Open new terminal

imported_>hurrian: /* Additional information and hints */

2012-06-08T15:06:34Z

Additional information and hints

← Older revision		Revision as of 15:06, 8 June 2012
Line 45:		Line 45:
	==Additional information and hints==		==Additional information and hints==

	# The stock Nokia kernel uses the following frequencies: 250, 500, 550 and 600 MHz.		* The stock Nokia kernel uses the following frequencies: 250, 500, 550 and 600 MHz.
	# The CPU does '''NOT IDLE''' at the lowest frequency (250 MHz) but it '''SLEEPS''' at 0 MHz! Thus, reducing the lowest frequency would not reduce power consumption. It is only activated during low workload and may actually consume more power than a higher frequency, as it takes more time to go back to sleep/idle state.		* The CPU does '''NOT IDLE''' at the lowest frequency (250 MHz) but it '''SLEEPS''' at 0 MHz! Thus, reducing the lowest frequency would not reduce power consumption. It is only activated during low workload and may actually consume more power than a higher frequency, as it takes more time to go back to sleep/idle state.
	# Setting the lowest frequency to 125 MHz does NOT improve battery life. In fact, many people noticed worse battery life, instability and worse responsiveness,		* Setting the lowest frequency to 125 MHz does NOT improve battery life. In fact, many people noticed worse battery life, instability and worse responsiveness,
	# The Phone app is closed-source and broken. During a phone call, the device's frequency [http://talk.maemo.org/showpost.php?p=601691&postcount=1823 is locked to 600MHz]. This may be a bug, and it affects all kernels for Fremantle. After a phone call, it sets the maximum to 600 Mhz and the minimum to 250 MHz (or 125 MHz if available) regardless of the frequencies you have set. There are some workarounds present in kernel-power, however the bug may still occasionally manifest.		* The Phone app is closed-source and broken. During a phone call, the device's frequency [http://talk.maemo.org/showpost.php?p=601691&postcount=1823 is locked to 600MHz]. This may be a bug, and it affects all kernels for Fremantle. After a phone call, it sets the maximum to 600 Mhz and the minimum to 250 MHz (or 125 MHz if available) regardless of the frequencies you have set. There are some workarounds present in kernel-power, however the bug may still occasionally manifest.
	~~# when~~ connected via USB the device locks the minimum frequency to 500 Mhz.		* When connected via USB the device locks the minimum frequency to 500 Mhz.
	# By default the device is configured to use 125 MHz as the lowest frequency but it not enabled in the kernel [https://bugs.maemo.org/show_bug.cgi?id=7116 pmconfig bug]		* By default the device is configured to use 125 MHz as the lowest frequency but it not enabled in the kernel [https://bugs.maemo.org/show_bug.cgi?id=7116 pmconfig bug]
	# The warning <pre>WARNING: at arch/arm/mach-omap2/clock34xx.c:443 omap3_noncore_dpll_set_rate+0x28c/0x2dc()</pre> in the kernel logs (dmesg) only happens if the invalid 800 MHz frequency was selected. Ignore it.		* The warning <pre>WARNING: at arch/arm/mach-omap2/clock34xx.c:443 omap3_noncore_dpll_set_rate+0x28c/0x2dc()</pre> in the kernel logs (dmesg) only happens if the invalid 800 MHz frequency was selected. Ignore it.
	# EvilJazz had photoshopped a [http://talk.maemo.org/showpost.php?p=605523&postcount=90 picture of a device being overclocked 1.7GHz]. It's a '''prank'''!		* EvilJazz had photoshopped a [http://talk.maemo.org/showpost.php?p=605523&postcount=90 picture of a device being overclocked 1.7GHz]. It's a '''prank'''!
	# The internal temperature sensor may be read by using the command "cat /sys/devices/platform/omap34xx_temp/temp1_input"		* The internal temperature sensor may be read by using the command "cat /sys/devices/platform/omap34xx_temp/temp1_input"
	'''Note that the system does not have an on-die temperature sensor, and the actual CPU temperature may be higher or lower than the reading.~~'''~~		* '''Note''' that the system does not have an on-die temperature sensor, and the actual CPU temperature may be higher or lower than the reading.

	==Installing a modified kernel==		==Installing a modified kernel==

imported_>hurrian: /* Available kernels */

2012-06-08T15:05:26Z

Available kernels

← Older revision		Revision as of 15:05, 8 June 2012
Line 40:		Line 40:

	Overclocking requires installation of a custom kernel. There are two types of kernels:		Overclocking requires installation of a custom kernel. There are two types of kernels:
	# [[Kernel_Power\|kernel-power]], developed by Titan and maintained by Pali '''(~~highly~~ recommended)'''. They are compatible with [[Maemo 5/PR1.2\|PR1.2]] and [[Maemo 5/PR1.3\|PR1.3]], contain lots of additional features (IPv6, NAT etc) and bugfixes. In addition, they include a large set of possible frequencies (125 MHz-1.15 GHz) which can be manually set and tested without flashing a new kernel.		# [[Kernel_Power\|kernel-power]], developed by Titan and maintained by Pali '''(recommended)'''. They are compatible with [[Maemo 5/PR1.2\|PR1.2]] and [[Maemo 5/PR1.3\|PR1.3]], contain lots of additional features (IPv6, NAT etc) and bugfixes. In addition, they include a large set of possible frequencies (125 MHz-1.15 GHz) which can be manually set and tested without flashing a new kernel. The defaults are set to the standard 250-600 MHz range. This guide recommends using kernel-power v50, which at the time of writing is available in the [[extras]] catalog. Newer, more experimental kernels may be available through [[extras-testing]] or [[extras-devel]].
	* The defaults are set to the standard 250-600 MHz range.
	* This guide recommends using kernel-power v50, which at the time of writing is available in the [[extras]] catalog. Newer, more experimental kernels may be available through [[extras-testing]] or [[extras-devel]].
	# Modified [[Maemo 5/PR1.1\|PR1.1]] kernels by Lehto and others. The only difference from the stock Nokia kernel is the change of the available hardcoded frequencies.		# Modified [[Maemo 5/PR1.1\|PR1.1]] kernels by Lehto and others. The only difference from the stock Nokia kernel is the change of the available hardcoded frequencies.

imported_>hurrian: /* Available kernels */

2012-06-08T15:04:43Z

Available kernels

← Older revision		Revision as of 15:04, 8 June 2012
Line 40:		Line 40:

	Overclocking requires installation of a custom kernel. There are two types of kernels:		Overclocking requires installation of a custom kernel. There are two types of kernels:
	# [[Kernel_Power\|kernel-power]], developed by Titan and maintained by Pali '''(highly recommended)'''. They are compatible with [[Maemo 5/PR1.2\|PR1.2]] and [[Maemo 5/PR1.3\|PR1.3]], contain lots of additional features (IPv6, NAT etc) and bugfixes. In addition, they include a large set of possible frequencies (125 MHz-1.15 GHz) which can be manually set and tested without flashing a new kernel. The defaults are set to the standard 250-600 MHz range.		# [[Kernel_Power\|kernel-power]], developed by Titan and maintained by Pali '''(highly recommended)'''. They are compatible with [[Maemo 5/PR1.2\|PR1.2]] and [[Maemo 5/PR1.3\|PR1.3]], contain lots of additional features (IPv6, NAT etc) and bugfixes. In addition, they include a large set of possible frequencies (125 MHz-1.15 GHz) which can be manually set and tested without flashing a new kernel.
	This guide recommends using kernel-power v50, which at the time of writing is available in the [[extras]] catalog. Newer, more experimental kernels may be available through [[extras-testing]] or [[extras-devel]].		* The defaults are set to the standard 250-600 MHz range.
			* This guide recommends using kernel-power v50, which at the time of writing is available in the [[extras]] catalog. Newer, more experimental kernels may be available through [[extras-testing]] or [[extras-devel]].
	# Modified [[Maemo 5/PR1.1\|PR1.1]] kernels by Lehto and others. The only difference from the stock Nokia kernel is the change of the available hardcoded frequencies.		# Modified [[Maemo 5/PR1.1\|PR1.1]] kernels by Lehto and others. The only difference from the stock Nokia kernel is the change of the available hardcoded frequencies.