IXUS860IS

PowerShot SD870 IS / DIGITAL IXUS 860 IS / IXY DIGITAL 910 IS

The IXUS 860IS is known in North America as PowerShot SD870 IS and in Japan as the IXY Digital 910IS.

CHDK is available for the Ixus 860IS / SD 870IS / IXY 910IS with firmware version 1.00C from the Download page

This camera do not have multipartition support, the autostart method is only supported up to 4GB cards;
starting CHDK with the "Firmware Update" menu item works also with cards > 4GB

Reviews and Specifications

Technical Data

DryOS operating system
Digic III image processor
Sensor: 8.0 MP, 1/2.5 inch CCD type, 3264 x 2448 JPEG image size
Lens: 4.6-17.3mm (28-105mm equiv)wide angle, F/2.8 - F/8.0 (W) / F/5.8 - F/16 (T), 3.8x optical zoom
Image stabilisation, lens-shift type
Display: 3.0 inch TFT, 230,000 pixels, brightness adjustable
Movie mode: max. 640 x 480 @30fps
ISO 80 - 1600
Closest focus distance: 3cm
No optical viewfinder
Storage: SD / SDHC / MMC card compatible
Power: Li-ion battery NB-5L
Dimensions: 92.6 x 58.8 x 25.9 mm (3.7 x 2.3 x 1.0 inch), Weight: 155 g (5.5 oz) without battery
Optional waterproof case (WP-DC17)

→ Canon USA: SD870 product page

Version information

Created ver.req, then pressed FUNCSET and DISP simultaneously:

Canon PowerShot SD870 IS
P-ID:3160	NT D
Firmware ver GM1.00C
NoError
Jul 20 2007	18:32:15

Canon DIGITAL IXUS 860 IS
P-ID:3160  PAL D
Firmware Ver GM1.00C
E18
Jul 20 2007  18:32:15

Canon IXY DIGITAL 910 IS
P-ID:3160	NT D
Firmware Ver GM1.00C
E18
Jul 20 2007  18:32:15

Pressing DISP once again with FUNCSET still pressed:

Adj Ver.010.012

Pressing DISP a third time with FUNCSET still pressed:

IS Firm Ver. 3.0
IS Param Ver. 3.0

Notes:

There are also some limitations / issues with this model, described in CHDK for Dummies: Odd and Tricky cameras

For Developers

LED Adresses

#define LED_DP   0xC02200cc    // direct-print (blue)
 #define LED_IO_G 0xC0220136    // IO indicator LED (green state)
 #define LED_IO_O 0xC0220133    // IO indicator LED (orange state)
 #define LED_AF   0xC0223030    // Auto-focus LED (very bright...)

Firmware dumps

FW 1.00C: Direct download (strings+image): http://www.vware.at/download/misc/860-100c.7z

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

Parts list

Internal parts list/BOM: http://www2.electronicproducts.com/Canon_IXY910IS_SD870IS_Digital_Still_Camera-whatsinside_text-66.aspx

CHDK related

Multi partition support, SDHC cards > 4GB are supported
Video quality override is supported