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[]
LED addresses[]
0xc0220074 Triggers flash! 0xc0220080 AF 0xc0220084 Print button 0xc0220088 Orange, upper left of viewfinder 0xc022008c Green, upper left of viewfinder 0xc0220090 Yellow, lower left of viewfinder 0xc0220094 Power
Firmware dumps[]
Download location for firmware dumps: |