Changes: A490

Latest revision as of 12:49, 3 December 2012

The Powershot A490.

CHDK is available as beta version for the Powershot A490 with firmware 1.00F from the Autobuild Server.

The <Alt> key for the A490 is the PLAY button (short / long press).

Reviews

Technical Data

Digic III image processor
DryOS operating system

Specifications: Canon (english), DPReview Specifications, 37-122mm (equiv.)

Firmware info

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

Ver.req First Page Data:

To get the fw version, CameraVersion or the ACID tool can be used to extract the fw version from an image file taken by the camera.

CHDK Specialties

This section describes special CHDK-related things...

To get the camera's firmware version read this FAQ section; you may use CameraVersion or the ACID tool to get the fw version from an image file.

The <Alt> key for the A490 is the PLAY button (short / long press)

For Developers

General info:

LED addresses

0xC0220088 Green state LED
0xC0220080 AF LED

Available firmware dumps

Firmware 1.00F (by alex3000, dumped with CBasic udumper): zshare dl link
Firmware 1.00E
Firmware 1.00D (by snowsnapshots): rapidshare dl link

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

Porting process & links

Please report issues with the A490 or ask development related questions here: A490 porting thread

History & News on A490:

(05-Jan-2010) Canon press release of new camera

@@ Line 1: / Line 1: @@
 ''The <big>Powershot A490</big>.''
-{{Notice|CHDK is available as beta version for the Powershot '''A490''' with firmware '''1.00F''' from the [[Downloads|Download page]].
+{{Notice|CHDK is available as beta version for the Powershot '''A490''' with firmware '''1.00F''' from the [[Downloads | Autobuild Server]].
-}}
+The '''<tt><Alt></tt>''' key for the A490 is the PLAY button (short / long press).}}
 {|align="right" style="border-collapse:collapse; font-size: x-small;"
@@ Line 9: / Line 10: @@
 == Reviews==
+* [http://www.dpreview.com/products/canon/compacts/canon_a490 DPRreview]
-* <insert reviews here once available>
+* [http://www.steves-digicams.com/camera-reviews/canon/powershot-a490/post.html Steve's Digicams]
 ==Technical Data==
 *'''Digic III''' image processor
@@ Line 28: / Line 33: @@
 -->
-*'''Specifications:''' Canon ([http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&fcategoryid=183&modelid=19923#ModelTechSpecsAct english]), [http://www.dpreview.com/reviews/specs/Canon/canon_a490.asp DPReview Specifications]
+*'''Specifications:''' Canon ([http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&fcategoryid=183&modelid=19923#ModelTechSpecsAct english]), [http://www.dpreview.com/reviews/specs/Canon/canon_a490.asp DPReview Specifications], 37-122mm (equiv.)
 == Firmware info ==
-The [[ver.req]] file method is used to gather firmware information about this camera model.
+The [[ver.req]] file method could be used to gather firmware information about this camera model.
-<u>Ver.req First Page Data</u>: After holding down {{button|FUNCSET}} then press the {{button|TRASH}} button:
+<u>Ver.req First Page Data</u>:
+* To get the fw version, [[CameraVersion]] or the [[ACID]] tool can be used to extract the fw version from an image file taken by the camera.
-'''US &amp; Japan NTSC Version Header'''
- <insert data here>
+==CHDK Specialties==
-'''European PAL Version Header'''
+''This section describes special CHDK-related things...''
- <insert data here>
-'''Version X.XX'''
- <insert data here>
+* To get the camera's firmware version read '''[[FAQ#Q._How_can_I_get_the_original_firmware_version_number_of_my_camera.3F|this FAQ section]]'''; you may use [[CameraVersion]] or the [[ACID]] tool to get the fw version from an image file.
-<u>Ver.req Second Page Data</u>: After holding down {{button|FUNCSET}} then pressing {{button|TRASH}} twice.
+* The <Alt> key for the A490 is the PLAY button (short / long press)
-'''Version X.XX'''
- <insert data here>
-<u>Ver.req Third Page Data</u>: After holding down {{button|FUNCSET}} then pressing {{button|TRASH}} three times:
-'''Version X.XX'''
- <insert data here>
-<u>[[Vers.req]] Third Page Data</u>: After holding down {{button|FUNCSET}} then pressing {{button|TRASH}} three times:
-'''Version X.XX'''
- <insert data here>
-==CHDK Specialties==
-''This section describes special CHDK-related things...''
-* <insert data here once CHDK is ported to this camera>
 ==For Developers==
 ===General info:===
- <insert firmware \ code data here>
 ===LED addresses===
 <pre>
+xC0220088 Green state LED
-<insert data here>
+xC0220080 AF LED
 </pre>
 ===Available firmware dumps===
 * Firmware '''1.00F''' (by alex3000, dumped with CBasic udumper): [http://www.zshare.net/download/797635995b35f3ce/ zshare dl link]
-* Firmware '''1.00E '''(by hotvedt): [http://www.box.net/chdk#chdk/1/55272271/789432695/1|box.net box dl link]
+* Firmware '''1.00E '''
+* Firmware '''1.00D '''(by snowsnapshots): [https://rapidshare.com/files/3472827841/a490_100d.7z rapidshare dl link]
 {{DL_dumps}}
 ===Porting process & links===
-* porting thread http://chdk.setepontos.com/index.php?topic=5051.0
+* Please report issues with the A490 or ask development related questions here: '''[http://chdk.setepontos.com/index.php?topic=5051.0 A490 porting thread]'''
 == History & News on A490: ==
 *(05-Jan-2010) Canon press release of new camera