Changes: SD770IS


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(Firmware dumps: added 1.00b dump link)
(Firmware dumps: u)
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==For Developers==
==For Developers==
===Firmware dumps===
===Firmware dumps===
* firmware '''1.00a''' dumps:
* '''1.00a''': [,288.msg19518.html#msg19518 ixus 85is dump]
**[,288.msg19518.html#msg19518 ixus 85is dump] forum link
* '''1.00b''': by donfab, forum link: [,288.msg53392.html#msg53392]
**[ alternate ix85/sd770 dump] made with [,221.msg18855.html#msg18855 UDUMPER 2008]
** also available from the CHDKdumps2
* firmware '''1.00b''' dumps:
** [ ixus85-sd770-100b-7z] by donfab, forum link: [,288.msg53392.html#msg53392]
** also available from the CHDKdumps2

Latest revision as of 12:47, December 18, 2010

Canon IXUS 85 IS / Powershot SD770 IS / IXY Digital 25 IS


CHDK is available for the SD770/IXUS85 with firmware version 1.00a from the Download page

20080312 loRes sd770is front
Powershot SD770 IS Front
LukeSAdded by LukeS
20080312 loRes sd770is back
Powershot SD770 IS Back
LukeSAdded by LukeS

Reviews: DCRP Review, DPReview, Steve's DigiCams, Imagin Resource,

Technical dataEdit

Image Processor:DIGIC III, iSAPS, 9-point AiAF
Image Sensor:10 MP, 10.0 million effective pixels, 1/2.3-inch CCD type
OS:DryOS operating system
Lens:3x optical zoom, F/2.8 - F/4.9 (35mm film equivalent: 35-105 mm)
Display:2.5 inch TFT, 230,000 pixels
Storage:SD / SDHC / MMC
Power:NB-6L Lithium-ion rechargeable battery
Dimensions:3.39 x 2.13 x 0.80 inches - 86.0 x 54.0 x 20.4 millimeters.
Release Date:March, 2008.
ISO:80 to 1600

Version informationEdit

Created ver.req (responds to either ver.req or vers.req), then pressed FUNCSET and DISP simultaneously:

Canon PowerShot SD770 IS / DIGITAL IXUS 85 IS
P-ID:3175  NT D / PAL D

Firmware Ver GM1.00A
Jan 31 2008 13:20:56

Pressing DISP once again with FUNCSET still pressed:

Adj Ver.005.009

Pressing DISP a third again with FUNCSET still pressed (result varies depending on whether ver.req or vers.req is used):

IS Firm Ver. 2.04
IS Param Ver. 2.03

For DevelopersEdit

Firmware dumpsEdit


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


  • Seems identical to ixus80_sd1100
// from FF8E99E4
#define LED_PWR    0xc02200d0
#define LED_PR     0xc02200d4
#define LED_ORANGE 0xc0220130
#define LED_GREEN  0xc0220134
#define LED_YELLOW 0xc0220138
#define LED_AF     0xc0223030


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