BIOS WORLDLenovo (LCFC) FT490 NM-B901 · Schematic (125 pages)
File name: FT490.pdf
Lenovo (LCFC) FT490 — Schematic, board NM-B901, 125 pages. Main chips: MEC1663 / MEC1663-WC (EC), W25Q80DVSSIG / W25Q256JVEIQ / MX25L25673GM2I-08G (BIOS flash), BD82032FVJ-GE2 (CPU), N17S-G1 / GM108 / N19M-Q1 (GPU). Covers: charger / battery, power, audio, keyboard / touchpad, LAN, fan / thermal.
- Type
- Schematic / document
- Size
- 2.6 MB
- Pages
- 125
- Added
- 2026-10-09
- Brand
- Lenovo (LCFC)
- Board
- NM-B901
- Also written as
- NMB901 · NM B901 · NMB 901 · NMB-901
- MD5
- 29E722CC7EAAEA6CAD328C77FC65A82A
- Found in
- Computers › Laptop › Lenovo ThinkPad › other-Unorganized › FT490
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Main chips and parts
| Part | Function |
|---|---|
| MEC1663 | EC (embedded controller) |
| MEC1663-WC | EC (embedded controller) |
| W25Q80DVSSIG | BIOS / SPI flash |
| W25Q256JVEIQ | BIOS / SPI flash |
| MX25L25673GM2I-08G | BIOS / SPI flash |
| MX25L25673GM2I-10G | BIOS / SPI flash |
| MX25L8006EM2I-12G | BIOS / SPI flash |
| BD82032FVJ-GE2 | CPU / SoC |
| N17S-G1 | GPU |
| GM108 | GPU |
| N19M-Q1 | GPU |
| BQ25700ARSNR | Charger |
| MP86901-CGLT-C669-Z | Power (PWM) |
| NB693GQ-C669-Z | Power (PWM) |
| NB690 | Power (PWM) |
Text from the first pages
VER Dec.4 Finn-1 CONTROLLER POINT · LOGIC LOGIC Reader SWITCH CONNECTOR CONNECTOR CONNECTOR SENSE I/F PAD/NFC/FPR · JACKSONVILLE ALC3287 MIC SPEAKER DEBUG CONNECTOR SWITCH ENGINE-3 ENGINE-3 TPM · BASE BASE Card CARD JACK EXT BEEP 88.KEYBOARD/TRACK G-SENSOR · XTAL GPIO · I/F POWER POWER · CHANNEL-B PEG VRAM DIGITA STRAP GND · (1/2) (2/2) PD SWITCH CONNECTOR CONNECTOR CONN · CHANNEL-A INTERFACE 52.LID/CAMERA/MIC/TOUCH CONNECTOR RIDGE RIDGE · ESPI/SPI/SMBUS/C-LINK SIGNALS (1/2) (2/2) · Logic PCIE/USB/SATA CSI-2/EMMC/CNVI PM POWER POWER POWER CFG/RESERVED