Merge pull request raspberrypi#2281 from timg236/patch-65

Update overclocking.adoc

Author: Alasdair Allan

documentation/asciidoc/computers/config_txt/overclocking.adoc

@@ -16,6 +16,9 @@ WARNING: Setting any overclocking parameters to values other than those used by
 | arm_freq
 | Frequency of the ARM CPU in MHz.
 
+| arm_boost
+| Increases `arm_freq` to the highest supported frequency for the board-type and firmware. Set to `1` to enable.
+
 | gpu_freq
 | Sets `core_freq`, `h264_freq`, `isp_freq`, `v3d_freq` and `hevc_freq` together
 
@@ -94,9 +97,9 @@ WARNING: Setting any overclocking parameters to values other than those used by
 
 This table gives the default values for the options on various Raspberry Pi Models, all frequencies are stated in MHz.
 
-[cols=",^,^,^,^,^,^,^"]
+[cols=",^,^,^,^,^,^,^,^"]
 |===
-| Option | Pi 0/W | Pi1 | Pi2 | Pi3 | Pi3A+/Pi3B+ | Pi4/CM4 | Pi 400
+| Option | Pi 0/W | Pi1 | Pi2 | Pi3 | Pi3A+/Pi3B+ | CM4 & Pi4B <= R1.3 | Pi4B R1.4 | Pi 400
 
 | arm_freq
 | 1000
@@ -105,6 +108,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 1200
 | 1400
 | 1500
+| 1500 or 1800 if arm_boost=1
 | 1800
 
 | core_freq
@@ -115,6 +119,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 400
 | 500
 | 500
+| 500
 
 | h264_freq
 | 300
@@ -124,6 +129,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 400
 | 500
 | 500
+| 500
 
 | isp_freq
 | 300
@@ -133,6 +139,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 400
 | 500
 | 500
+| 500
 
 | v3d_freq
 | 300
@@ -142,6 +149,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 400
 | 500
 | 500
+| 500
 
 | hevc_freq
 | N/A
@@ -151,6 +159,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | N/A
 | 500
 | 500
+| 500
 
 | sdram_freq
 | 450
@@ -160,6 +169,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 500
 | 3200
 | 3200
+| 3200
 
 | arm_freq_min
 | 700
@@ -169,6 +179,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 600
 | 600
 | 600
+| 600
 
 | core_freq_min
 | 250
@@ -178,6 +189,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 250
 | 200
 | 200
+| 200
 
 | gpu_freq_min
 | 250
@@ -187,6 +199,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 250
 | 250
 | 250
+| 250
 
 | h264_freq_min
 | 250
@@ -196,6 +209,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 250
 | 250
 | 250
+| 250
 
 | isp_freq_min
 | 250
@@ -205,6 +219,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 250
 | 250
 | 250
+| 250
 
 | v3d_freq_min
 | 250
@@ -214,6 +229,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 250
 | 250
 | 250
+| 250
 
 | sdram_freq_min
 | 400
@@ -223,6 +239,7 @@ This table gives the default values for the options on various Raspberry Pi Mode
 | 400
 | 3200
 | 3200
+| 3200
 |===
 
 This table gives defaults for options that are the same across all models.