apple macbook pro retina 15 a1398 820-00138
Technical Specifications
Technical Summary
This Apple Inc. motherboard, identified as MLB X425 with drawing number SMCCLEAN_X305, is a PROTO1A revision dated 08/06/2014. The platform is based on the Haswell CPU architecture with an Intel Core i7-4750HQ processor in a BGA1364 socket, supported by an Intel HM87 PCH. Memory architecture consists of DDR3 SDRAM configured as DDR3L across Bank A and Bank B. Graphics capabilities include integrated Intel HD Graphics 5000 and a discrete NVIDIA GeForce GT 750M GPU, with support for dGPU to UMA conversion. Power management is handled by a CPU VR12.5 VCC Regulator IC and a PBus Supply & Battery Charger subsystem. The
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Apple Inc. |
| Motherboard Manufacturer | Apple Inc. |
| MLB Identifier | X425 |
| Drawing Number | SMCCLEAN_X305 |
| Date | 08/06/2014 |
| Revision | PROTO1A |
| CPU Platform | CPU VR12.5 VCC |
| RAM Type | DDR3 SDRAM |
| RAM Architecture | DDR3L |
| RAM Quantity / Slots | Bank A, Bank B |
| Charger Architecture | PBus Supply & Battery Charger |
| Power IC(s) | CPU VR12.5 VCC Regulator IC |
| Audio Codec | AUDIO: JACK, AUDIO: SPEAKER |
| LAN IC | Thunderbolt Host |
| WiFi / WLAN IC | Thunderbolt Mobile Support |
| HDMI Level Shifter | DDC Crossbar |
| Card Reader IC | SD Card Connector |
| USB Hub IC | USB 3.0 CONNECTORS |
| EC / KBC | SMC |
| EC/KBC Programmable | SMC Constraints |
| BIOS / SPI Flash | SPI Flash |
| BIOS Flash Capacity | 16MB |
| BIOS Flash Package | SOIC-8 |
| Compatible BIOS IC Models | W25Q128FV |
| Charging IC | BQ24780S |
| Thermal Sensor | TMP451 |
| GPU Type | Intel HD Graphics 5000 |
| Graphics Architecture | Haswell |
| dGPU Chip Number | NVIDIA GeForce GT 750M |
| dGPU to UMA Conversion Support | Yes |
| PCH / Southbridge | Intel HM87 |
| CPU Model | Intel Core i7-4750HQ |
| CPU Socket | BGA1364 |
| Platform Alias | Haswell |
| Project Code | X305 |
| Board Number | 820-00210 |
| Schematic Number | SMCCLEAN_X305 |
| Document Number | SMCCLEAN_X305 |
| PCB Number | 820-00210 |
| 051- Drawing Number | 051-01649 |
| 820- Board Number | 820-00210 |
Technical Summary
This Apple Inc. motherboard, identified as MLB X425 with drawing number SMCCLEAN_X305, is a PROTO1A revision dated 08/06/2014. The platform is based on the Haswell CPU architecture with an Intel Core i7-4750HQ processor in a BGA1364 socket, supported by an Intel HM87 PCH. Memory architecture consists of DDR3 SDRAM configured as DDR3L across Bank A and Bank B. Graphics capabilities include integrated Intel HD Graphics 5000 and a discrete NVIDIA GeForce GT 750M GPU, with support for dGPU to UMA conversion. Power management is handled by a CPU VR12.5 VCC Regulator IC and a PBus Supply & Battery Charger subsystem. The
Indexed motherboard components
Open a component to see every indexed schematic that uses the same part.
X425
Board Number
VR125 VCC
CPU Platform
DDR3
RAM Type
CPU VR12.5 VCC REGULATOR IC
Power IC
W25Q128FV
BIOS / EC Flash
BQ24780S
Charging / PD IC
TMP451
Thermal / Fan Control
HD Graphics 5000
Graphics
Haswell
Graphics
HM87
PCH / Southbridge
Intel Core i7-4750HQ
CPU Model
Haswell
CPU Platform
X305
Project Code
820-00210
Board Number
Indexed motherboard components
Open a component to see every indexed schematic that uses the same part.
X425
Board Number
VR125 VCC
CPU Platform
DDR3
RAM Type
CPU VR12.5 VCC REGULATOR IC
Power IC
W25Q128FV
BIOS / EC Flash
BQ24780S
Charging / PD IC
TMP451
Thermal / Fan Control
HD Graphics 5000
Graphics
Haswell
Graphics
HM87
PCH / Southbridge
Intel Core i7-4750HQ
CPU Model
Haswell
CPU Platform
X305
Project Code
820-00210
Board Number
Attachments
Last edited:
