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  1. ################################################################################
  2. ## Raspberry Pi Configuration Settings
  3. ##
  4. ## Revision 4, 2012/07/04
  5. ##
  6. ## Details taken from the eLinux wiki
  7. ## For up-to-date information please refer to wiki page.
  8. ##
  9. ## Wiki Location : http://elinux.org/RPi_config.txt
  10. ##
  11. ################################################################################
  12.  
  13. ################################################################################
  14. ## Standard Definition Video Settings
  15. ################################################################################
  16.  
  17. ## sdtv_mode
  18. ## defines the TV standard for composite output
  19. ##
  20. ## Value Description
  21. ## -------------------------------------------------------------------------
  22. ## 0 Normal NTSC (Default)
  23. ## 1 Japanese version of NTSC - no pedestal
  24. ## 2 Normal PAL
  25. ## 3 Brazilian version of PAL - 525/60 rather than 625/50, different subcarrier
  26. ##
  27. #sdtv_mode=0
  28.  
  29. ## sdtv_aspect
  30. ## defines the aspect ratio for composite output
  31. ##
  32. ## Value Description
  33. ## -------------------------------------------------------------------------
  34. ## 1 4:3 (Default)
  35. ## 2 14:9
  36. ## 3 16:9
  37. ##
  38. #sdtv_aspect=1
  39.  
  40. ################################################################################
  41. ## High Definition Video Settings
  42. ################################################################################
  43.  
  44. ## hdmi_safe
  45. ## Use "safe mode" settings to try to boot with maximum hdmi compatibility.
  46. ##
  47. ## Value Description
  48. ## -------------------------------------------------------------------------
  49. ## 0 Disabled (Default)
  50. ## 1 Enabled (this does: hdmi_force_hotplug=1, config_hdmi_boost=4, hdmi_group=1, hdmi_mode=1, disable_overscan=0)
  51. ##
  52. #hdmi_safe=1
  53.  
  54. ## hdmi_force_hotplug
  55. ## overrides the normal selection of composite if no HDMI is detected
  56. ##
  57. ## Value Description
  58. ## -------------------------------------------------------------------------
  59. ## 0 Disabled (Default)
  60. ## 1 Use HDMI mode even if no HDMI monitor is detected
  61. ##
  62. #hdmi_force_hotplug=1
  63.  
  64. ## hdmi_drive
  65. ## chooses between HDMI and DVI modes
  66. ##
  67. ## Value Description
  68. ## -------------------------------------------------------------------------
  69. ## 1 Normal DVI mode (No sound)
  70. ## 2 Normal HDMI mode (Sound will be sent if supported and enabled)
  71. ##
  72. #hdmi_drive=2
  73.  
  74. ## hdmi_ignore_edid
  75. ## Enables the ignoring of EDID/display data
  76. ##
  77. #hdmi_ignore_edid=0xa5000080
  78.  
  79. ## hdmi_group
  80. ## defines the HDMI type
  81. ##
  82. ## [rgh] I think values are 0 and 1 really, and the default 0 for CEA - at least with the latest firmware as of May 25th 2012.
  83. ##
  84. ## Value Description
  85. ## -------------------------------------------------------------------------
  86. ## 1 CEA (Default)
  87. ## 2 DMT
  88. ##
  89. #hdmi_group=1
  90.  
  91. ## hdmi_mode
  92. ## defines screen resolution in CEA or DMT format
  93. ##
  94. ## H means 16:9 variant (of a normally 4:3 mode).
  95. ## 2x means pixel doubled (i.e. higher clock rate, with each pixel repeated twice)
  96. ## 4x means pixel quadrupled (i.e. higher clock rate, with each pixel repeated four times)
  97. ##
  98. ## Value hdmi_group=CEA hdmi_group=DMT
  99. ## -------------------------------------------------------------------------
  100. ## 1 VGA 640x350 85Hz
  101. ## 2 480p 60Hz 640x400 85Hz
  102. ## 3 480p 60Hz H 720x400 85Hz
  103. ## 4 720p 60Hz 640x480 60Hz
  104. ## 5 1080i 60Hz 640x480 72Hz
  105. ## 6 480i 60Hz 640x480 75Hz
  106. ## 7 480i 60Hz H 640x480 85Hz
  107. ## 8 240p 60Hz 800x600 56Hz
  108. ## 9 240p 60Hz H 800x600 60Hz
  109. ## 10 480i 60Hz 4x 800x600 72Hz
  110. ## 11 480i 60Hz 4x H 800x600 75Hz
  111. ## 12 240p 60Hz 4x 800x600 85Hz
  112. ## 13 240p 60Hz 4x H 800x600 120Hz
  113. ## 14 480p 60Hz 2x 848x480 60Hz
  114. ## 15 480p 60Hz 2x H 1024x768 43Hz DO NOT USE
  115. ## 16 1080p 60Hz 1024x768 60Hz
  116. ## 17 576p 50Hz 1024x768 70Hz
  117. ## 18 576p 50Hz H 1024x768 75Hz
  118. ## 19 720p 50Hz 1024x768 85Hz
  119. ## 20 1080i 50Hz 1024x768 120Hz
  120. ## 21 576i 50Hz 1152x864 75Hz
  121. ## 22 576i 50Hz H 1280x768 reduced blanking
  122. ## 23 288p 50Hz 1280x768 60Hz
  123. ## 24 288p 50Hz H 1280x768 75Hz
  124. ## 25 576i 50Hz 4x 1280x768 85Hz
  125. ## 26 576i 50Hz 4x H 1280x768 120Hz reduced blanking
  126. ## 27 288p 50Hz 4x 1280x800 reduced blanking
  127. ## 28 288p 50Hz 4x H 1280x800 60Hz
  128. ## 29 576p 50Hz 2x 1280x800 75Hz
  129. ## 30 576p 50Hz 2x H 1280x800 85Hz
  130. ## 31 1080p 50Hz 1280x800 120Hz reduced blanking
  131. ## 32 1080p 24Hz 1280x960 60Hz
  132. ## 33 1080p 25Hz 1280x960 85Hz
  133. ## 34 1080p 30Hz 1280x960 120Hz reduced blanking
  134. ## 35 480p 60Hz 4x 1280x1024 60Hz
  135. ## 36 480p 60Hz 4x H 1280x1024 75Hz
  136. ## 37 576p 50Hz 4x 1280x1024 85Hz
  137. ## 38 576p 50Hz 4x H 1280x1024 120Hz reduced blanking
  138. ## 39 1080i 50Hz reduced blanking 1360x768 60Hz
  139. ## 40 1080i 100Hz 1360x768 120Hz reduced blanking
  140. ## 41 720p 100Hz 1400x1050 reduced blanking
  141. ## 42 576p 100Hz 1400x1050 60Hz
  142. ## 43 576p 100Hz H 1400x1050 75Hz
  143. ## 44 576i 100Hz 1400x1050 85Hz
  144. ## 45 576i 100Hz H 1400x1050 120Hz reduced blanking
  145. ## 46 1080i 120Hz 1440x900 reduced blanking
  146. ## 47 720p 120Hz 1440x900 60Hz
  147. ## 48 480p 120Hz 1440x900 75Hz
  148. ## 49 480p 120Hz H 1440x900 85Hz
  149. ## 50 480i 120Hz 1440x900 120Hz reduced blanking
  150. ## 51 480i 120Hz H 1600x1200 60Hz
  151. ## 52 576p 200Hz 1600x1200 65Hz
  152. ## 53 576p 200Hz H 1600x1200 70Hz
  153. ## 54 576i 200Hz 1600x1200 75Hz
  154. ## 55 576i 200Hz H 1600x1200 85Hz
  155. ## 56 480p 240Hz 1600x1200 120Hz reduced blanking
  156. ## 57 480p 240Hz H 1680x1050 reduced blanking
  157. ## 58 480i 240Hz 1680x1050 60Hz
  158. ## 59 480i 240Hz H 1680x1050 75Hz
  159. ## 60 1680x1050 85Hz
  160. ## 61 1680x1050 120Hz reduced blanking
  161. ## 62 1792x1344 60Hz
  162. ## 63 1792x1344 75Hz
  163. ## 64 1792x1344 120Hz reduced blanking
  164. ## 65 1856x1392 60Hz
  165. ## 66 1856x1392 75Hz
  166. ## 67 1856x1392 120Hz reduced blanking
  167. ## 68 1920x1200 reduced blanking
  168. ## 69 1920x1200 60Hz
  169. ## 70 1920x1200 75Hz
  170. ## 71 1920x1200 85Hz
  171. ## 72 1920x1200 120Hz reduced blanking
  172. ## 73 1920x1440 60Hz
  173. ## 74 1920x1440 75Hz
  174. ## 75 1920x1440 120Hz reduced blanking
  175. ## 76 2560x1600 reduced blanking
  176. ## 77 2560x1600 60Hz
  177. ## 78 2560x1600 75Hz
  178. ## 79 2560x1600 85Hz
  179. ## 80 2560x1600 120Hz reduced blanking
  180. ## 81 1366x768 60Hz
  181. ## 82 1080p 60Hz
  182. ## 83 1600x900 reduced blanking
  183. ## 84 2048x1152 reduced blanking
  184. ## 85 720p 60Hz
  185. ## 86 1366x768 reduced blanking
  186. ##
  187. #hdmi_mode=1
  188.  
  189. ## config_hdmi_boost
  190. ## configure the signal strength of the HDMI interface.
  191. ##
  192. ## Value Description
  193. ## -------------------------------------------------------------------------
  194. ## 0 (Default)
  195. ## 1
  196. ## 2
  197. ## 3
  198. ## 4 Try if you have interference issues with HDMI
  199. ## 5
  200. ## 6
  201. ## 7 Maximum
  202. ##
  203. #config_hdmi_boost=0
  204.  
  205. ################################################################################
  206. ## Overscan Video Settings
  207. ################################################################################
  208.  
  209. ## overscan_left
  210. ## number of pixels to skip on left
  211. ##
  212. #overscan_left=0
  213.  
  214. ## overscan_right
  215. ## number of pixels to skip on right
  216. ##
  217. #overscan_right=0
  218.  
  219. ## overscan_top
  220. ## number of pixels to skip on top
  221. ##
  222. #overscan_top=0
  223.  
  224. ## overscan_bottom
  225. ## number of pixels to skip on bottom
  226. ##
  227. #overscan_bottom=0
  228.  
  229. ## disable_overscan
  230. ## set to 1 to disable overscan
  231. ##
  232. ## Value Description
  233. ## -------------------------------------------------------------------------
  234. ## 0 Overscan Enabled (Default)
  235. ## 1 Overscan Disabled
  236. ##
  237. #disable_overscan=1
  238.  
  239. ################################################################################
  240. ## Framebuffer Video Settings
  241. ################################################################################
  242.  
  243. ## framebuffer_width
  244. ## console framebuffer width in pixels. Default is display width minus overscan.
  245. ##
  246. #framebuffer_width=0
  247.  
  248. ## framebuffer_height
  249. ## console framebuffer height in pixels. Default is display height minus overscan.
  250. ##
  251. #framebuffer_height=0
  252.  
  253. ## framebuffer_depth
  254. ## console framebuffer depth in bits per pixel.
  255. ##
  256. ## Value Description
  257. ## -------------------------------------------------------------------------
  258. ## 8 valid, but default RGB palette makes an unreadable screen
  259. ## 16 (Default)
  260. ## 24 looks better but has corruption issues as of 2012/06/15
  261. ## 32 has no corruption issues but needs framebuffer_ignore_alpha=1 and shows the wrong colors as of 2012/06/15
  262. ##
  263. #framebuffer_depth=16
  264.  
  265. ## framebuffer_ignore_alpha
  266. ## set to 1 to disable alpha channel. Helps with 32bit.
  267. ##
  268. ## Value Description
  269. ## -------------------------------------------------------------------------
  270. ## 0 Enable Alpha Channel (Default)
  271. ## 1 Disable Alpha Channel
  272. ##
  273. #framebuffer_ignore_alpha=0
  274.  
  275. ################################################################################
  276. ## Test Settings
  277. ################################################################################
  278.  
  279. ## test_mode
  280. ## enable test sound/image during boot for manufacturing test.
  281. ##
  282. ## Value Description
  283. ## -------------------------------------------------------------------------
  284. ## 0 Disable Test Mod (Default)
  285. ## 1 Enable Test Mode
  286. ##
  287. #test_mode=0
  288.  
  289. ################################################################################
  290. ## Cache Settings
  291. ################################################################################
  292.  
  293. ## disable_l2cache
  294. ## disable arm access to GPU's L2 cache. Needs corresponding L2 disabled kernel.
  295. ##
  296. ## Value Description
  297. ## -------------------------------------------------------------------------
  298. ## 0 Enable L2 Cache (Default)
  299. ## 1 Disable L2 cache
  300. ##
  301. #disable_l2cache=0
  302.  
  303. ################################################################################
  304. ## Boot Option Settings
  305. ################################################################################
  306.  
  307. ## disable_commandline_tags
  308. ## Stops start.elf from filling in ATAGS (memory from 0x100) before launching kernel
  309. ##
  310. #disable_commandline_tags=0
  311.  
  312. ## cmdline (string)
  313. ## Command line parameters. Can be used instead of cmdline.txt file
  314. ##
  315. #cmdline=""
  316.  
  317. ## kernel (string)
  318. ## Alternative name to use when loading kernel.
  319. ##
  320. #kernel=""
  321.  
  322. ## kernel_address
  323. ## address to load kernel.img file at
  324. ##
  325. #kernel_address=0x00000000
  326.  
  327. ## ramfsfile (string)
  328. ## ramfs file to load
  329. ##
  330. #ramfsfile=""
  331.  
  332. ## device_tree_address
  333. ## address to load device_tree at
  334. ##
  335. #device_tree_address=0x00000000
  336.  
  337. ## init_uart_baud
  338. ## initial uart baud rate. Default 115200
  339. ##
  340. #init_uart_baud=115200
  341.  
  342. ## init_uart_clock
  343. ## initial uart clock. Default 3000000
  344. ##
  345. #init_uart_clock=3000000
  346.  
  347. ## init_emmc_clock
  348. ## initial emmc clock. Default 50000000 (50mhz default. increasing this can speedup your SD-card)
  349. ##
  350. #init_emmc_clock=50000000
  351.  
  352. ## boot_delay
  353. ## Waits for given number of seconds in start.elf before loading kernel.img.
  354. ##
  355. #boot_delay=0
  356.  
  357. ################################################################################
  358. ## Overclocking Settings
  359. ################################################################################
  360.  
  361. ## arm_freq
  362. ## frequency of ARM in MHz. Default 700.
  363. ##
  364. #arm_freq=700
  365.  
  366. ## gpu_freq
  367. ## Sets core_freq, h264_freq, isp_freq, v3d_freq together.
  368. ##
  369. #gpu_freq=250
  370.  
  371. ## core_freq
  372. ## frequency of GPU processor core in MHz. Default 250.
  373. ##
  374. #core_freq=250
  375.  
  376. ## h264_freq
  377. ## frequency of hardware video block in MHz. Default 250.
  378. ##
  379. #h264_freq=250
  380.  
  381. ## isp_freq
  382. ## frequency of image sensor pipeline block in MHz. Default 250.
  383. ##
  384. #isp_freq=250
  385.  
  386. ## v3d_freq
  387. ## frequency of 3D block in MHz. Default 250.
  388. ##
  389. #v3d_freq=250
  390.  
  391. ## sdram_freq
  392. ## frequency of SDRAM in MHz. Default 400.
  393. ##
  394. #sdram_freq=400
  395.  
  396. ################################################################################
  397. ## Voltage Settings
  398. ##
  399. ## WARNING: Setting any of the parameters which over volt your Raspberry Pi
  400. ## will set a permanent bit within the SOC and your warranty is void. So If
  401. ## you care about the warranty do not adjust voltage.
  402. ##
  403. ################################################################################
  404.  
  405. ## over_voltage
  406. ## ARM/GPU core voltage adjust.
  407. ##
  408. ## Value Description
  409. ## -------------------------------------------------------------------------
  410. ## -16 0.8 V
  411. ## -15 0.825 V
  412. ## -14 0.85 V
  413. ## -13 0.875 V
  414. ## -12 0.9 V
  415. ## -11 0.925 V
  416. ## -10 0.95 V
  417. ## -9 0.975 V
  418. ## -8 1.0 V
  419. ## -7 1.025 V
  420. ## -6 1.05 V
  421. ## -5 1.075 V
  422. ## -4 1.1 V
  423. ## -3 1.125 V
  424. ## -2 1.15 V
  425. ## -1 1.175 V
  426. ## 0 1.2 V (Default)
  427. ## 1 1.225 V
  428. ## 2 1.25 V
  429. ## 3 1.275 V
  430. ## 4 1.3 V
  431. ## 5 1.325 V
  432. ## 6 1.35 V
  433. ## 7 1.375 V
  434. ## 8 1.4 V
  435. ##
  436. #over_voltage=0
  437.  
  438. ## over_voltage_sdram
  439. ## Sets over_voltage_sdram_c, over_voltage_sdram_i, over_voltage_sdram_p together
  440. ##
  441. ## Value Description
  442. ## -------------------------------------------------------------------------
  443. ## -16 0.8 V
  444. ## -15 0.825 V
  445. ## -14 0.85 V
  446. ## -13 0.875 V
  447. ## -12 0.9 V
  448. ## -11 0.925 V
  449. ## -10 0.95 V
  450. ## -9 0.975 V
  451. ## -8 1.0 V
  452. ## -7 1.025 V
  453. ## -6 1.05 V
  454. ## -5 1.075 V
  455. ## -4 1.1 V
  456. ## -3 1.125 V
  457. ## -2 1.15 V
  458. ## -1 1.175 V
  459. ## 0 1.2 V (Default)
  460. ## 1 1.225 V
  461. ## 2 1.25 V
  462. ## 3 1.275 V
  463. ## 4 1.3 V
  464. ## 5 1.325 V
  465. ## 6 1.35 V
  466. ## 7 1.375 V
  467. ## 8 1.4 V
  468. ##
  469. #over_voltage_sdram=0
  470.  
  471. ## over_voltage_sdram_c
  472. ## SDRAM controller voltage adjust.
  473. ##
  474. ## Value Description
  475. ## -------------------------------------------------------------------------
  476. ## -16 0.8 V
  477. ## -15 0.825 V
  478. ## -14 0.85 V
  479. ## -13 0.875 V
  480. ## -12 0.9 V
  481. ## -11 0.925 V
  482. ## -10 0.95 V
  483. ## -9 0.975 V
  484. ## -8 1.0 V
  485. ## -7 1.025 V
  486. ## -6 1.05 V
  487. ## -5 1.075 V
  488. ## -4 1.1 V
  489. ## -3 1.125 V
  490. ## -2 1.15 V
  491. ## -1 1.175 V
  492. ## 0 1.2 V (Default)
  493. ## 1 1.225 V
  494. ## 2 1.25 V
  495. ## 3 1.275 V
  496. ## 4 1.3 V
  497. ## 5 1.325 V
  498. ## 6 1.35 V
  499. ## 7 1.375 V
  500. ## 8 1.4 V
  501. ##
  502. #over_voltage_sdram_c=0
  503.  
  504. ## over_voltage_sdram_i
  505. ## SDRAM I/O voltage adjust.
  506. ##
  507. ## Value Description
  508. ## -------------------------------------------------------------------------
  509. ## -16 0.8 V
  510. ## -15 0.825 V
  511. ## -14 0.85 V
  512. ## -13 0.875 V
  513. ## -12 0.9 V
  514. ## -11 0.925 V
  515. ## -10 0.95 V
  516. ## -9 0.975 V
  517. ## -8 1.0 V
  518. ## -7 1.025 V
  519. ## -6 1.05 V
  520. ## -5 1.075 V
  521. ## -4 1.1 V
  522. ## -3 1.125 V
  523. ## -2 1.15 V
  524. ## -1 1.175 V
  525. ## 0 1.2 V (Default)
  526. ## 1 1.225 V
  527. ## 2 1.25 V
  528. ## 3 1.275 V
  529. ## 4 1.3 V
  530. ## 5 1.325 V
  531. ## 6 1.35 V
  532. ## 7 1.375 V
  533. ## 8 1.4 V
  534. ##
  535. #over_voltage_sdram_i=0
  536.  
  537. ## over_voltage_sdram_p
  538. ## SDRAM phy voltage adjust.
  539. ##
  540. ## Value Description
  541. ## -------------------------------------------------------------------------
  542. ## -16 0.8 V
  543. ## -15 0.825 V
  544. ## -14 0.85 V
  545. ## -13 0.875 V
  546. ## -12 0.9 V
  547. ## -11 0.925 V
  548. ## -10 0.95 V
  549. ## -9 0.975 V
  550. ## -8 1.0 V
  551. ## -7 1.025 V
  552. ## -6 1.05 V
  553. ## -5 1.075 V
  554. ## -4 1.1 V
  555. ## -3 1.125 V
  556. ## -2 1.15 V
  557. ## -1 1.175 V
  558. ## 0 1.2 V (Default)
  559. ## 1 1.225 V
  560. ## 2 1.25 V
  561. ## 3 1.275 V
  562. ## 4 1.3 V
  563. ## 5 1.325 V
  564. ## 6 1.35 V
  565. ## 7 1.375 V
  566. ## 8 1.4 V
  567. ##
  568. #over_voltage_sdram_p=0
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