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The Powershot SX230 HS is the successor to the SX210 IS.


CHDK is available for the SX230 with the firmware versions 1.00C, 1.01A, 1.01B, 1.01C and 1.01E from the Download page

Photographyblog-canon powershot sx230 hs review-275x187

SX230 marketing image


Technical Data

  • Digic IV image processor
  • DryOS operating system
  • 12.1 megapixels, 1/2.3" back-illuminated CMOS sensor
  • 14x optical zoom lens
  • lens: 28-392mm (35mm equiv), F/3.1 - F/5.9
  • Image stabilization (lens shift-type), "Dynamic IS" in movie mode
  • Display: 3.0 inch TFT, 461,000 pixels
  • Video: 1920x1080 @24 fps HD, 1280x720 @30 fps HD, 640x480 @30 fps, 320x240 @30 fps
  • Super Slow Motion movie mode: 640x480 @120fps, 320x240 @240 fps
  • Miniature effect mode: 1280x720 or 640x480 @6, 3, or 1.5 fps
  • Movie format: Quicktime (MOV / H.264), linear PCM stereo
  • HDMI A/V out connector
  • Storage: SD, SDHC, SDXC, MMC, MMCplus, HC MMCplus
  • Power: Li-ion battery NB-5L
  • Weight (including battery): 215g, Dimensions: 106 x 59 x 33 mm
  • GPS

Specifications Links

Firmware info

The ver.req file method is used to gather firmware information about this camera model.

US & Japan NTSC Version Header

Canon PowerShot SX230 HS
P-ID:3228  NT D

Firmware Dumps


Download location for firmware dumps:
P&S firmware dumps mirror

CHDK Specialties

This section describes special CHDK-related things...

  • access <ALT> mode by pressing PLAYBACK button.
    • short press ALT mode, long press original playback mode
  • to start directly in Record mode, hold down the Power ON/OFF button ~ 1-2 seconds
  • no dual partitioning required, the camera supports booting from FAT32(4GB+) formatted SD cards.
  • For 4GB+ SD cards follow this steps:
    • format the SD card from the original camera options menu
    • copy DISKBOOT.BIN, PS.FI2 and the CHDK folder on SD card
    • start the camera by holding the PLAYBACKbutton for ~ 1-2 seconds
    • select Firm Update...-> OK
    • go into <ALT> mode -> Menu -> Miscellaneous stuff -> Make card bootable...
    • lock the SD card to boot directly into CHDK


  • histogram on/off -> half pressed shutter + down
  • zebra mode on/off -> half pressed shutter + MENU
  • CHDK-OSD on/off -> half pressed shutter + right
  • override on/off -> half pressed shutter + left

For Developers

General info:

  • DyrOS v2.3, release #0047
  • FW start address: 0xFF000000

LED addresses

Porting process & links

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