apple imac 27 a1312 k23_051-7863-a schematic
apple imac 27 a1312=1=k23_051-7863-a.pdf
Technical Specifications
Technical Summary
This Apple Inc. motherboard, identified by project code K22 and MLB identifier K22, is documented under drawing number 051-7863 and document number 07774489. The schematic was released on 2009-08-20 at revision A. The board is based on the K22 CPU platform and includes subsystems such as SPI ROM, audio codec/regulator, Ethernet PHY (RTL8211CL), FireWire LLC/PHY (XIO2213B), DDR3 SO-DIMM memory support, and SMC controller. The schematic covers power sequencing, voltage regulators including PPVCORE_S0_CPU, 5V_S3 regulator, MCP core regulator, 1.5V DDR supply, and FSB VTT/3.3V S5 supplies. Display interfaces include internal and external DP connectors with BiDiVi mux support. The board also features MXM PCIe, DP and power sections, and constraints for CPU/FSB, memory, MCP, Ethernet, FireWire, SMC, and graphics.
Technician FAQ
Q: What is the board number and revision of this Apple motherboard?
A: The board number is K22, revision A, with drawing number 051-7863 and document number 07774489.
Q: What CPU platform does this motherboard use?
A: The motherboard is based on the K22 CPU platform.
Q: What Ethernet PHY is used on this motherboard?
A: The Ethernet PHY is RTL8211CL.
Q: What FireWire controller is used on this motherboard?
A: The FireWire LLC/PHY is XIO2213B.
Q: What type of memory does this motherboard support?
A: The motherboard supports DDR3 SO-DIMM memory modules.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
apple imac 27 a1312=1=k23_051-7863-a.pdf
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Apple Inc. |
| Motherboard Manufacturer | Apple Inc. |
| Project Code | K22 |
| Board Number | K22 |
| Revision | A |
| Date | 2009-08-20 |
| Drawing Number | 051-7863 |
| Document Number | 07774489 |
| CPU Platform | K22 |
| MLB Identifier | K22 |
| Schematic Number | 051-7863 |
Technical Summary
This Apple Inc. motherboard, identified by project code K22 and MLB identifier K22, is documented under drawing number 051-7863 and document number 07774489. The schematic was released on 2009-08-20 at revision A. The board is based on the K22 CPU platform and includes subsystems such as SPI ROM, audio codec/regulator, Ethernet PHY (RTL8211CL), FireWire LLC/PHY (XIO2213B), DDR3 SO-DIMM memory support, and SMC controller. The schematic covers power sequencing, voltage regulators including PPVCORE_S0_CPU, 5V_S3 regulator, MCP core regulator, 1.5V DDR supply, and FSB VTT/3.3V S5 supplies. Display interfaces include internal and external DP connectors with BiDiVi mux support. The board also features MXM PCIe, DP and power sections, and constraints for CPU/FSB, memory, MCP, Ethernet, FireWire, SMC, and graphics.
Technician FAQ
Q: What is the board number and revision of this Apple motherboard?
A: The board number is K22, revision A, with drawing number 051-7863 and document number 07774489.
Q: What CPU platform does this motherboard use?
A: The motherboard is based on the K22 CPU platform.
Q: What Ethernet PHY is used on this motherboard?
A: The Ethernet PHY is RTL8211CL.
Q: What FireWire controller is used on this motherboard?
A: The FireWire LLC/PHY is XIO2213B.
Q: What type of memory does this motherboard support?
A: The motherboard supports DDR3 SO-DIMM memory modules.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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