Changes: A540

Revision as of 23:33, 20 April 2010

PowerShot A540

CHDK is available for the A540 with firmware version 1.00b from the Download page

Reviews and Specifications

Technical Data

Digic II image processor
VxWorks operating system
Sensor: 6 MP, 1/2.5-inch CCD type
Lens: 5.8 (W) - 23.2 (T) mm (35 mm film equivalent: 35 - 140 mm), F/2.6 (W) - F/5.5 (T)
Optical viewfinder
Display: 2.5 inch TFT, approx. 85,000 pixels
Storage: SD & MMC - no SDHC support !
Power: 2x AA size batteries
Dimensions: 90.4 x 64.0 x 43.2 mm (3.56 x 2.52 x 1.70 in.), Weight: 180 g (6.35 oz.) without batteries

Firmware info

The trick with the ver.req file works well on the A540.

Pressing SET and DISP button shows the following screen:

Canon PowerShot A540
P-ID:311B PAL

Firmware Ver GM1.00B
No error
Jan 31 2006 11:02:45

Pressing SET and DISP button again results in:

Canon PowerShot A540
P-ID:311B  PAL

Adj Ver.002.002

The vers.req file works, too.
Pressing SET and DISP button a third time results in:

Canon PowerShot A540
P-ID:311B  PAL

Adj Ver.002.002
Total Shoot  :xxxx
Open Shutter :0
Close Shutter:0

The number P-ID:331B is a hexadecimal code for the platform version id. Note that the platform ID is almost the same as the S3 IS model: 311B vs 311A. Platform codes for other models can be looked up under P-ID.

For developers

Firmware dumps

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

@@ Line 7: / Line 7: @@
 | __TOC__
 |}
+[[File:Canon_PowerShot_A540.jpg|thumb]]
 == Reviews and Specifications ==
 * [http://www.canon.com/camera-museum/camera/dcc/data/2005-2006/2006_ps_a540.html?lang=undefined&categ=crn&page=2005-2006&p=2 Canon]
@@ Line 16: / Line 18: @@
 == Technical Data ==
-*'''Digic  II''' image processor
+*'''Digic II''' image processor
 *'''VxWorks''' operating system
 * Sensor: 6 MP, 1/2.5-inch CCD type