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Apple iBook G4/1.33 12-Inch (Mid-2005 - Op) Specs

Identifiers: Mid-2005 12-Inch - M9846LL/A - PowerBook6,7 - A1133 - N/A

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Apple iBook WhiteThe iBook G4/1.33 12-Inch (Mid-2005 - Opaque White), features a 1.33 GHz PowerPC 7447a (G4) processor with a 512k "on chip" level 2 cache, 512 MB of RAM (PC2700 DDR SDRAM), a 40 GB (4200 RPM) Ultra ATA/100 hard drive, a slot-loading DVD-ROM/CD-RW "Combo" drive, 4X AGP ATI Mobility Radeon 9550 graphics with 32 MB of DDR SDRAM, and standard AirPort Extreme (802.11g) and Bluetooth 2.0+EDR packed into a compact opaque white case with a 12.1" TFT XGA active matrix display (1024x768 native resolution).

The "Mid-2005" iBook G4 models use the same external housings as the earlier iBook G4 models, but otherwise these systems are quite different. When compared to the iBook G4/1.2 12-Inch (Late 2004) that it replaced, the iBook G4/1.33 12-Inch (Mid-2005) has a faster processor, twice the amount and faster RAM (512 MB compared to 256 MB of onboard memory), superior graphics, a larger hard drive (40 GB compared to 30 GB), and built-in Bluetooth 2.0+EDR as well as AirPort Extreme (802.11g).

The iBook G4 "Mid-2005" models additionally include the "Sudden Motion Sensor" technology that stops the hard drive heads from moving if the notebook is dropped, and the "scrolling Trackpad" that allows one to scroll or pan by touching the trackpad with two fingers instead of one -- both borrowed from the PowerBook G4 series.

Also see: What are the differences between the "Mid-2005" iBook (1.33/1.42) models?

To purchase or upgrade a G3 Mac -- as well as newer Macs -- see site sponsor OHS.

  • Tech Specs
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Click on the category for related details. The most commonly needed info is "open" by default, but all info is important.

July 26, 2005 May 16, 2006
Details: The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 2005.
1 684
Details: This model only is compatible with the 32-bit Geekbench 2 benchmark. These numbers reflect an average of user provided 32-bit and 64-bit results as submitted to the Geekbench website. Higher numbers are better.

You also might be interested in reviewing all 32-bit Geekbench 2 user submissions for Macs with the PowerBook6,7 Model Identifier, which may include multiple models.

To dynamically compare Geekbench results from different Macs side-by-side, see's Ultimate Mac Comparison.
1.33 GHz PowerPC 7447a (G4)
Details: The PowerPC G4 includes the AltiVec "Velocity Engine" vector processor.
Soldered Integrated
Details: N/A
133 MHz 1.33 GHz (Built-in)
Details: N/A
Open Firmware 1 MB
Details: The Boot ROM is roughly 1 MB, other instructions are loaded into RAM.
64k 512k (on chip)
Details: Includes a 512k "on chip" level 2 cache that runs at processor speed.
PC2700 DDR SDRAM 333 MHz
Details: Supports a single 200-pin PC2700 DDR SDRAM SO-DIMM memory module.

Also see: How do you upgrade the RAM in the iBook models? How much RAM of what type do these systems support?
512 MB 1.5 GB
Details: The maximum memory capacity of this system is 1.5 GB with 512 MB onboard and a 1.0 GB SO-DIMM.

In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this iBook.

In Australia, site sponsor RamCity sells memory and other upgrades for this iBook.

Also see: Actual Max RAM of All G3 & Later Macs.
512 MB 1
Details: 512 MB onboard, single SO-DIMM slot.
Mobility Radeon 9550 DDR SDRAM
Details: ATI Mobility Radeon 9550 (4X AGP) with 32 MB of DDR SDRAM.

Also see: What kind of video processor is provided by the iBook models? Which models can support an external display? What is the maximum resolution supported?
32 MB 32 MB
Details: The video cannot be upgraded.
12.1" TFT XGA 1024x768
Details: 12.1" TFT XGA active-matrix display with a 1024 by 768 native resolution. Apple reports that it also supports 640 by 480 and 800 by 600 when scaled.
Mirroring Only* 1024x768
Details: *Apple reports that this system provides a "VGA video output for video mirroring on an external display or projector (24-bit color) with included Apple VGA Display Adapter".

However, the hardware is capable of using an external display in dual or "extended desktop mode", Apple just blocked the capability in firmware to protect sales of more expensive Macs. Unsupported third-party hacks are available.
40 GB HDD 4200 RPM
Details: Also see: How do you replace or upgrade the hard drive in the iBook models?

Site sponsor Other World Computing sells storage upgrades for this iBook.
2.5" (9.5 mm) Ultra ATA/100
Details: This model supports a single internal Ultra ATA/100 (ATA-6) 2.5" hard drive or SSD that is up to 9.5 mm thick.
8X "Combo Drive" None
Details: Configured with a slot-loading 8X/24X/16X/24X DVD-ROM/CD-RW "Combo" drive.

Also see: What are the capabilities of the optical drive provided by the iBook models? Can one upgrade the optical drive?
56k v.92 10/100Base-T
Details: N/A
802.11b/g (Standard) 2.0+EDR (Standard)
Details: Pre-installed AirPort Extreme (802.11g) and Bluetooth 2.0+EDR.

Also see: Which iBook models support AirPort? Which support AirPort Extreme? Which have internal support for Bluetooth or Bluetooth 2.0+EDR?
2 (2.0) 1 (400)
Details: Two USB 2.0 ports and one Firewire "400" port.
None None
Details: This iBook has "AirPort Extreme" (802.11g) wireless networking and Bluetooth 2.0+EDR built-in. No expansion slots are provided.
Full-size Trackpad
Details: Apple reports that the integrated keyboard has 77 (US) or 78 (ISO) keys, including 12 function keys, 4 arrow keys, and an embedded numeric keypad. The trackpad supports tap, double tap, drag, and scroll capabilities.
Notebook iBook (12-Inch)
Details: This iBook was offered in a 12-Inch "opaque white" case.

Also see: How can you visually differentiate between the various "white" iBook systems?
M9846LL/A Mid-2005 12-Inch
Details: The Apple order number should be unique to this system.
A1133 (EMC N/A) PowerBook6,7
Details: Please note that these identifiers refer to more than one model.

Also see: All Macs with the A1133 Model Number, the N/A EMC Number, and the PowerBook6,7 Model Identifier.

For more about these identifiers and how to locate them on each Mac, please refer to's Mac Identification section.
50 W h LiIon 6 Hours
Details: 6 hours under "normal usage conditions" as estimated by Apple.

Also see: What is the battery life of the iBook models?
X 10.4.2 (8D37) X 10.5.8
Details: This system cannot run versions of MacOS X more recent than 10.5.8.
Classic Mode Only* Emulation Only
Details: *This model is capable of using Mac OS 9 applications within the Mac OS X "Classic" environment provided with Mac OS X 10.4.11 "Tiger" and lower ("Classic" is not supported starting with Mac OS X 10.5 "Leopard"). It cannot boot into Mac OS 9.

Site sponsor OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.
1.35 x 11.2 x 9.0.6 4.9 lbs (2.2 kg)
Details: In inches while closed - height by width by depth, (3.4 cm, 28.5 cm, 23.0 cm).
US$999 US$100-US$175
Details: Please note that on average the estimated current retail pricing of used systems is updated twice a year (please refer to the date on the bottom of the page for the date last updated).

Photo Credit: Apple Computer.

Click on a category for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.

1 (Mini-VGA) None
Details: Also see: Do the iBook models support VGA or DVI out? Do the iBook models support ADC (Apple Display Connector) displays?
None None
Details: N/A
None None
Details: N/A
2 (2.0) 1 (400)
Details: Two USB 2.0 ports and one Firewire "400" port.
1 (RJ-11) 1 (RJ-45)
Details: Internal 56k v.92 modem and 10/100Base-T Ethernet standard.
None 1*
Details: *The iBook G4 models do not have an S-video out port, but support S-video (as well as composite) with the "Apple Video Adapter".
1 (Internal) None
Details: Internal microphone, no audio in port.

Also see: Which iBook models have an internal microphone? Which do not?
1* 1*
Details: *Single audio out/headphone jack.
1 None
Details: N/A
N/A 1
Details: 100V-240V AC, 45 W power adapter.

Ten of the most popular Q&As about the iBook models follow.

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