Apple 661-02244 | 1.1GHz CPU 256GB Logic Board (Motherboard) for MacBook Retina 12-inch A1534

Here are the technical specifications for the Apple 1.1GHz CPU 256GB Logic Board (Motherboard) for MacBook Retina 12-inch A1534:

1. Processor: 1.1GHz dual-core Intel Core M processor (Turbo Boost up to 2.4GHz)
2. Graphics: Intel HD Graphics 515
3. Storage: 256GB PCIe-based onboard flash storage
4. Memory: 8GB of 1866MHz LPDDR3 onboard memory
5. Display: 12-inch (diagonal) LED-backlit Retina display with IPS technology; 2304-by-1440 resolution at 226 pixels per inch with support for millions of colors
6. Ports: USB-C port, 3.5mm headphone jack
7. Wireless: 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible; Bluetooth 4.0 wireless technology
8. Camera: 480p FaceTime camera
9. Audio: Stereo speakers, dual microphones, 3.5mm headphone jack
10. Battery: Built-in 41.4-watt-hour lithium-polymer battery
11. Operating System: macOS
12. Dimensions: 11.04 x 7.74 x 0.14-0.52 inches (W x D x H)

Helpful notes:
1. This logic board is compatible with the MacBook Retina 12-inch A1534 model only.
2. Upgrading the logic board can improve the performance of your MacBook, but it is a complex process that should be done by a professional.
3. This logic board includes the processor, storage, memory, and graphics, so it is essentially the "brain" of your MacBook.