The '''Canon PowerShot S90''' was released on August 19'th, 2009

{{Notice|'' CHDK is available as BETA version for the PowerShot '''S90''' with firmware versions '''1.00c''', '''1.01a''', '''1.01b''' and '''1.01c''' from the '''[[Downloads|Download page]]'''}}

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[[File:S90_front.jpg|thumb|250px|PowerShot S90 Front]]

[[File:S90_back.jpg|thumb|250px|PowerShot S90 Back]]

== Reviews ==

* [http://en.wikipedia.org/wiki/Canon_PowerShot_S90 Wikipedia] ([http://en.wikipedia.org/wiki/Canon_PowerShot_S PowerShot S series])

* [http://www.dpreview.com/reviews/canons90/ Digital Photography Review]

* [http://www.cameralabs.com/reviews/Canon_PowerShot_S90/ Camera Labs]

* [http://www.steves-digicams.com/camera-reviews/canon/powershot-s90/canon-powershot-s90-review.html Steve's Digicams]

* [http://www.digitalcamerareview.com/default.asp?newsID=4157&review=canon+powershot+s90 DigitalCameraReview.com]

* [http://www.imaging-resource.com/PRODS/PS90/PS90A.HTM The Imaging Resource!]

* [http://enticingthelight.com/2009/11/09/review-canon-s90-part-1-first-impressions/ Enticing the Light]

==Technical Data==

*'''Digic IV''' image processor

*'''DryOS''' operating system

<table border="0" cellspacing="0" cellpadding="5"><tr><td>Sensor CCD size:</td><td>10.0 MP 1/1.7"</td></tr>

<tr><td>Lens (35mm equiv) zoom</td><td>28-105, 3.8x</td></tr>

<tr><td>LCD size</td><td>3.0" fixed</td></tr>

<tr><td>Card</td><td>SD, SDHC, MMC, MMCplus, HC MMCplus</td></tr>

<tr><td>Size (mm)</td><td>100 x 58 x 31</td></tr>

<tr><td>Weight (body)</td><td>175 g</td></tr>

</table>

'''Hardware Limits:'''

:ISO Range: 80 - 3200 (320 - 12800 in low-light mode, reduced size)

:Aperture: f / 2.0 (wide angle) to ~ f / 4.9 (full zoom)

:Shutter speed: 1/1600 to 15" sec

== Firmware info ==

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

<u>Ver.req First Page Data</u>: After holding down {{button|FUNCSET}} then press {{button|DISP}}:

'''US & Japan NTSC Version Header'''

Canon PowerShot S90

P-ID:31E1 NT D

'''European PAL Version Header'''

Canon PowerShot S90

P-ID:31E1 PAL D

'''Version 1.00C'''

Firmware Ver GM1.00C

NoError

Sep 3 2009 09:36:41

<u>Ver.req Second Page Data</u>: After holding down {{button|FUNCSET}} then pressing {{button|DISP}} twice.

'''Version 1.00C'''

Adj Ver.005.000

<u>Ver.req Third Page Data</u>: After holding down {{button|FUNCSET}} then pressing {{button|DISP}} three times:

'''Version 1.00C'''

Adj Ver.005.000

Mecha Firm Ver. 2.02

<u>[[Vers.req]] Third Page Data</u>: After holding down then pressing three times:

'''Version 1.00C'''

Adj Ver.005.000

Total Shoot:&nbsp;523

Zoom Retry Count:&nbsp;0

Mecha Condition:&nbsp;0x00000000

In PLAY mode without '''ver.req''' on the SD card and press the and buttons simultaneously, the screen shows:

Firmware Ver. 1.0.0.0

==CHDK Specialties==

''This section describes special CHDK-related things...''

* &lt;insert data here once CHDK is ported to this camera&gt;

==For Developers==

===General info:===

Requires version 3 dancingbits encoding.

&lt;insert firmware \ code data here&gt;

===LED addresses===

<pre>

AF LED 0xC0223030

<insert data here>

</pre>

===Available firmware dumps===

*S90 firmware '''1.00C''' [http://rapidshare.com/files/330257144/S90_GM1.00C.binn S90_GM1.00C.bin at rapidshare]

Dumped by Rachelkitty - Redumped as previous was incorrect

*S90 firmware '''1.01a''' ((8MB, from ERR99, dumped with ERR_99's modified G11 udumper,[http://chdk.setepontos.com/index.php/topic,4647.msg45319.html#msg45319 Forum link]): [http://www.zshare.net/download/74742478986973cd/], also available from chdkdumps part 2 [http://drop.io/chdkdumps2/asset/s90-101a-7z].

*S90 firmware '''1.01c''' ((8MB, from mercurio, dumped with ERR_99's modified G11 udumper,[http://chdk.setepontos.com/index.php/topic,4647.msg45319.html#msg45319 Forum link]): [http://www.zshare.net/download/749308691d23073c/].

{{DL_dumps}}

===Porting process & links===

* http://chdk.setepontos.com/index.php/topic,4509.0.html

== News & Development History: ==

*(26-April-2010) CHDK is available as BETA version for the PowerShot '''S90''' with firmware versions '''1.00c''', '''1.01a''', '''1.01b''' and '''1.01c''' from the '''[[Downloads|Download page]]'''

*(25-April-2010) Beta V5 released for 1.00c firmware only [[http://chdk.setepontos.com/index.php/topic,4509.msg49387.html#msg49387 link]]

*(24-April-2010) Request created to add S90 support into the trunk [[http://chdk.setepontos.com/index.php/topic,650.msg49290.html#msg49290 link]] and on 26-April it has been added to the autobuild, changeset 888 [[http://tools.assembla.com/chdk/changeset/888 link]]

*(20-April-2010) Beta V4 released - bug fixes and experimental DNG support [[http://chdk.setepontos.com/index.php/topic,4509.msg49014.html#msg49014 link]]

*(15-April-2010) (Allmost) full function CHDK autoboot (diskboot.bin) and firmware boot (PS.FI2) builds for 100c, 101a and 101c released (V3) [[http://chdk.setepontos.com/index.php/topic,4509.msg48736.html#msg48736|Forum link]]

*(14-April-2010) First running CHDK Beta testversion for 101c by ERR99 [[http://chdk.setepontos.com/index.php/topic,4509.msg48707.html#msg48707|Forum Link]]

*(13-April-2010) Firmware 1.01c was extracted by mercurio [[http://chdk.setepontos.com/index.php/topic,4509.msg48648.html#msg48648|Forum link]]

*(13-April-2010) First running CHDK Beta testversion for 1.00c by ERR99 [[http://chdk.setepontos.com/index.php/topic,4509.msg48638.html#msg48638|Forum Link]]

*(11-April-2010) First running CHDK Beta testversion for 1.01a by ERR99 [[http://chdk.setepontos.com/index.php/topic,4509.msg48523.html#msg48523|Forum Link]]

*(08-April-2010) Firmware 1.01a was extracted by ERR99 [[http://chdk.setepontos.com/index.php/topic,4509.msg48402.html#msg48402|Forum link]]

*(03-January-2010) Firmware 1.00c was extracted by rachelkitty [[http://chdk.setepontos.com/index.php/topic,4509.msg45443.html#msg45443|Link]]

*07-Oct-2009 Public availability (approx.)

*(19-August-2009) Canon press release of new camera