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