BIOS WORLDLenovo (LCFC) JS47R NM-D921 · Schematic (60 pages)
File name: JS47R.pdf
Lenovo (LCFC) JS47R — Schematic, board NM-D921, 60 pages. Main chips: IT8227E-CX / IT8986HE (EC), W25Q64FWSSIQ / W25Q64JWSSIQ (BIOS flash), BQ24780SRUYR (charger), RT5077A / SY8386BRHC / SY8388C3RHC (PWM). Covers: CPU, memory, display (LVDS / eDP / HDMI), camera, USB, storage (SATA / NVMe).
- Type
- Schematic / document
- Size
- 1.6 MB
- Pages
- 60
- Added
- 2026-10-09
- Brand
- Lenovo (LCFC)
- Board
- NM-D921
- Also written as
- NMD921 · NM D921 · NMD 921 · NMD-921
- MD5
- 6A7E3C1CFBC364DDC7BAB61865E158DC
- Found in
- Computers › Laptop › Lenovo ThinkPad › other-Unorganized › JS47R › JS47R,JS57R_SVT_View_1224
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Main chips and parts
| Part | Function |
|---|---|
| IT8227E-CX | EC (embedded controller) |
| IT8986HE | EC (embedded controller) |
| W25Q64FWSSIQ | BIOS / SPI flash |
| W25Q64JWSSIQ | BIOS / SPI flash |
| BQ24780SRUYR | Charger |
| RT5077A | Power (PWM) |
| SY8386BRHC | Power (PWM) |
| SY8388C3RHC | Power (PWM) |
| SY8388C3 | Power (PWM) |
| RT5077AGQW | Power (PWM) |
| PU3101 | Power (PWM) |
| RT5077 | Power (PWM) |
| G2898KD1U | Power (LDO / switch) |
| SY6288D20AAC | Power (LDO / switch) |
| RT9610CGQW | Power (LDO / switch) |
Text from the first pages
Intel GeminiLake-R Processor with DDR4 UMA · HDMI Conn. · HDMI (DDI 0) · 14 IO/B Part Number：DA600016T10 · Memory Bus · DDR4 Memory Down · 15 IO/B Part · 14' DAZ Part Number：DAZ1JW00100 · eDP Conn · eDP x2 Lane · 15' DAZ Part Number：DAZ1JY00100 · Int. Camera Conn. · Int. MIC Conn. · Touch screen · SATA HDD · TypeC Conn · (Support CNVi) · Finger Print · SPK Conn. · Combo Conn. · SPI ROM (8MB) · SD Conn. · Touch Pad · HALL Sensor · Thermal Sensor · Voltage Rails O Means ON X Means OFF · PCIE PORT LIST · Port Device · BIOS Device ID Map · CLK REQ · Power Plane · Full ON · S3 (Suspend to RAM)