英伟达显卡:8层板原理图、PCB源文件分享!
原理图部分原理图总共32页,截图如下所示(文末附高清PDF源文档获取方式)
PCI-Express Gen2 x16 Interface

Frame Buffer Partitions A/B

Frame Buffer Partition C and FBVDDQ Power/Decoupling

Memory Lower Partition A

Memory Upper Partition A

Memory Lower Partition B

Memory Upper Partition B

Memory Lower Partition C

Memory Upper Partition C

Memory FBVDD/Q Decoupling

Power/Decoupling: NVVDD,3V3_NV,GRND,Power Distribution Matrix

IFPA/B LVDS Dual Link

IFPC HDM

IFPD DP & Aux Circuit

IFPE/F Dual Link TMDS DVI-I

DAC_A VGA

DAC_B Header

NVGEM, MIOA, and Debug Port

BIOS, HDCP, External SS, Mechanical Components

GPIOs, Thermal Sensor, I2C/GPIO Expanders

Status LEDS

JTAG, Fan Control, Auxillary Devices

Straps

NVVDD (PS1) / FBVDDQ (PS2)

NVVDD (PS1) Phase 2 and 3 Drivers

FBVDD (PS3) Optional/Debug

5V/3.3V (PS4) Dual Switcher and 1V8 LDO (PS7)

PEX_VDD Switcher (PS5) and Miscellaneous Voltage Rails

Power Supervision and Sequencing

Remote Voltage/Current Sensing

12V EXT / 12V PEX Power Select Circuit

PCB部分
整体图

顶层

第二层

第三层

第四层

第五层

第六层

第七层
底层






