SX40

The Powershot SX 40 HS is the successor to the SX30 IS.

An ALPHA release of CHDK is available for the SX40 with firmware version 1.00D, 1.00F and 1.00G from the Download page

Reviews

Digic V image processor
12.1 megapixel BSI-CMOS sensor, 1/2.3 inch
35x wide-angle optical zoom lens 24- 840mm, F2.7 - F5.8
operating system: DRYOS version 2.3, release #0049
Image stabilization (lens shift-type)
Display: 2.7 inch vari-angle LCD, 230,000 pixels
Electronic viewfinder 202.000 pixels
Built-in flash, hot-shoe for external flash
Video: 1920 x 1080 @24 fps, 1280 x 720 (30 fps), 640 x 480 (30, 120 fps), 320 x 240 (30, 240 fps)
HDMI output
Storage: SD, SDHC, SDXC
Power: Rechargeable Li-ion Battery NB-10L (battery and charger included)
Dimensions: 123 x 92 x 108 mm, Weight: 600g (with battery)

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

USA Version Header:

Canon PowerShot SX40 HS

P-ID: 3238 NT D

Fimrware Ver GM1.00F (1.0.0.0)

Adj Ver.010.008

This section describes special CHDK-related things...

The Canon Basic dumper script can dump the SX40 firmware, Romstart is @ 0xFF000000, dump size is 16MB
New dancingbits flavour, values are { 7,1,5,3,0,6,4,2 } , located @ 0xFF5B5344
The fi2 keys are d4c, located @ FF61A4FC and @ FFFF3B48

Firmware 1.00D by medgeek, full 16MB dump: http://dl.dropbox.com/u/15796744/PRIMARY.zip
Firmware 1.00F by ERR99, full 16MB dump, dumped with cBasic udumper: zShare link
Firmware 1.00G by philmoz, full 16MB dump: http://www.box.net/s/ldr2iv03x7tkgkxuasv7
Firmware 1.00I (1.00i) by davemt, full 16MB dump: http://www.megaupload.com/?d=BME6WIUO

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