| OVERVIEW | |
| Introduced | August 2007 |
| Model Identifier | iMac7,1 |
| Model Number | A1225 |
| EMC | 2134 |
| Order Number | MA878LL |
| Support | NiwTech |
| Colors | Silver |
| Weight and Dimensions | 25.4 lbs., 20.5" H x 22.4" W x 8.1" D |
| PROCESSOR | |
| Processor | Intel Core 2 Duo (T7700) or Core 2 Extreme (X7900) |
| Processor Speed | 2.4 or 2.8 GHz |
| Maximum Processor Speed | |
| Architecture | 64-bit |
| Number of Cores | 2 |
| Security Chip | No |
| Cache | 4 MB shared L2 cache at full processor speed |
| System Bus | 800 MHz |
| Logic board Repair | NiwTech |
| STORAGE AND MEDIA | |
| Storage | 320, 500, 750 GB, or 1 TB 7200-rpm |
| Storage Upgrade | NiwTech |
| SSD Upgrade | NiwTech |
| Data Recovery | NiwTech |
| Media | Slot-loading 8x SuperDrive with 4x double-layer burning (DVD±R DL/DVD±RW/CD-RW) |
| PERIPHERALS | |
| Peripherals | Apple Remote, Apple Keyboard with Numeric Keypad, Mighty Mouse |
| Peripherals Repairs | NiwTech |
| SOFTWARE | |
| Original OS | Mac OS X 10.4.10 (8R4031) |
| Maximum OS | OS X 10.11.6 (15G31) |
| OS install | NiwTech |
| OS Upgrade | NiwTech |
| OS Downgrade | NiwTech |
| OS Support | NiwTech |
| AirDrop | Supported |
| Handoff | |
| Power Nap | |
| Unlock with Apple Watch | |
| Hardware Test | AHT 3A126, 3A141 |
| FIRMWARE | |
| Firmware | Intel Extensible Firmware Interface (EFI) |
| MEMORY | |
| Built-in Memory | None |
| Maximum Memory | 6.0 GB (Actual) 4.0 GB (Apple) |
| Memory Slots | 2 - 200-pin PC2-5300 (667MHz) DDR2 SO-DIMM |
| Memory Upgrade | NiwTech |
| Memory Upgrade Instructions | How to remove or install memory |
| Interleaving Support | Yes |
| DISPLAY | |
| Built-in Display | 24-inch (viewable) glossy widescreen TFT LCD |
| Display Glass | |
| Brightness | 380 cd/m² |
| Pixel Density | |
| Color Gamut | |
| Resolutions | 16:10 aspect ratio: 1920 x 1200, 1600 x 1000, 1344 x 840, 1280 x 800, 1024 x 640, 800 x 500, 4:3 aspect ratio: 1600 x 1200, 1344 x 1008, 1280 x 960, 1024 x 768, 960 x 600, 800 x 600, 640 x 480 |
| Display Replacement | NiwTech |
| GRAPHICS | |
| Graphics Card | ATI Radeon HD 2600 PRO |
| Graphics Card Replacement | NiwTech |
| Graphics Memory | 256 MB GDDR3 |
| Display Connection | 1 - Mini-DVI (DVI, VGA, Composite and S-video with adapter) |
| Display Modes | Dual display extended and video mirroring |
| External Resolution | Up to 1920 by 1200 pixels (Digital) Up to 2048 by 1536 pixels (Analog) |
| CAMERA | |
| Camera | Built-in iSight |
| CONNECTIONS | |
| Wi-Fi | Built-in AirPort Extreme card (802.11a/b/g/n) |
| Bluetooth | Built-in Bluetooth 2.0 + EDR |
| Ethernet | 10/100/1000BASE-T (RJ-45) (support for jumbo frames) |
| Modem | Optional Apple USB Modem (MA034Z/A) |
| USB | 3 - 480 MBit/s |
| FireWire | 1 - 400 MBit/s, 1 - 800 MBit/s (7W each) |
| Thunderbolt | |
| Display | 1 - Mini-DVI (DVI, VGA, Composite and S-video with adapter) |
| Infrared | 1 - For Apple Remote only |
| Audio In | 1 - 3.5-mm analog/optical combo input jack, Built-in microphone |
| Audio Out | 1 - 3.5-mm analog/optical combo output jack, Built-in speakers |
| Security Slot | 1 - Kensington cable lock |
| EXPANSION | |
| Slots | |
| Bays | None |
| Hard Drive Interface | 3.0 Gbps Serial ATA (SATA) |
| Optical Drive Interface | Ultra ATA/100 (operates at UATA/33 or UATA/66) |
| SENSORS | |
| Liquid Sensor | Non |
| POWER | |
| Backup Battery | 3 V CR2032 lithium |
| Maximum Continuous Power | 280 W |
| Line Voltage | 100-240V AC |
| Power Supply Replacement | NiwTech |
| ENVIRONMENTAL | |
| Acoustical Performance | |
| Power Consumption | |
| ENERGY STAR | Meets ENERGY STAR requirements |
| EPEAT | |
| NiwTech | www.niwtech.com |
