Salim Badakhshan
Registered
iMac 27 5K Retina 820-00609-A 051-01506 Schematic
Technical Specifications
Technical Summary
The Apple X646 MLB is a Skylake-based motherboard designed by Apple Inc., identified by drawing number 051-01506 and revision 5.19.0, dated 2016-10-06. The schematic document is titled X646_MLB and contains 121 pages. The platform integrates a Skylake CPU and chipset, with DDR4 SO-DIMM memory interfaces across multiple slots. Graphics subsystem includes a discrete GPU with GDDR5 frame buffer memory, GPU core VR phases, and DisplayPort interface. The board features USB-C port controllers, USB-A external ports, an SD card connector, Ethernet PHY (Caesar IV), wireless Airport/Bluetooth support, and an audio codec with speaker amplifiers. Power delivery includes CPU core VR, VCCIO VR, VDDQ VR, and GPU VR sections. The design also incorporates SMC controller support, system fan control, and temperature, current, and voltage sensors.
Technician FAQ
Q: What is the board number and revision of this Apple motherboard?
A: The board number is X646 MLB, revision 5.19.0, with drawing number 051-01506.
Q: What CPU platform does the X646 MLB use?
A: The X646 MLB uses the Skylake CPU platform.
Q: What type of memory interface is used on this motherboard?
A: The X646 MLB uses DDR4 SO-DIMM memory interfaces across multiple slots.
Q: What graphics memory architecture is present on this board?
A: The board includes a discrete GPU with GDDR5 frame buffer memory.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Apple Inc. |
| Model | X646 MLB |
| Motherboard Manufacturer | Apple Inc. |
| Board Number | X646 MLB |
| Revision | 5.19.0 |
| Date | 2016-10-06 |
| CPU Platform | Skylake |
| MLB Identifier | X646 MLB |
| Drawing Number | 051-01506 |
| Schematic Number | X646_MLB |
| Document Number | 051-01506 |
Technical Summary
The Apple X646 MLB is a Skylake-based motherboard designed by Apple Inc., identified by drawing number 051-01506 and revision 5.19.0, dated 2016-10-06. The schematic document is titled X646_MLB and contains 121 pages. The platform integrates a Skylake CPU and chipset, with DDR4 SO-DIMM memory interfaces across multiple slots. Graphics subsystem includes a discrete GPU with GDDR5 frame buffer memory, GPU core VR phases, and DisplayPort interface. The board features USB-C port controllers, USB-A external ports, an SD card connector, Ethernet PHY (Caesar IV), wireless Airport/Bluetooth support, and an audio codec with speaker amplifiers. Power delivery includes CPU core VR, VCCIO VR, VDDQ VR, and GPU VR sections. The design also incorporates SMC controller support, system fan control, and temperature, current, and voltage sensors.
Technician FAQ
Q: What is the board number and revision of this Apple motherboard?
A: The board number is X646 MLB, revision 5.19.0, with drawing number 051-01506.
Q: What CPU platform does the X646 MLB use?
A: The X646 MLB uses the Skylake CPU platform.
Q: What type of memory interface is used on this motherboard?
A: The X646 MLB uses DDR4 SO-DIMM memory interfaces across multiple slots.
Q: What graphics memory architecture is present on this board?
A: The board includes a discrete GPU with GDDR5 frame buffer memory.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Attachments
Last edited by a moderator:
