BIOS WORLDLenovo (LCFC) X390 NM-B892 · Schematic (125 pages)
File name: X390_NM-B892.pdf
Lenovo (LCFC) X390 NM-B892 — Schematic, 125 pages. Main chips: MEC1663 / MEC1663-WC (EC), W25Q80DVSSIG / W25Q256JVEIQ / MX25L25673GM2I-08G (BIOS flash), BD82032FVJ-GE2 (CPU), BQ25700ARSNR (charger). Covers: charger / battery, WLAN / Bluetooth, chipset (PCH), LAN, power, audio.
- Type
- Schematic / document
- Size
- 3.4 MB
- Pages
- 125
- Added
- 2026-10-09
- Brand
- Lenovo (LCFC)
- Board
- NM-B892
- Also written as
- NMB892 · NM B892 · NMB 892 · NMB-892
- MD5
- 183F55FCE368B7507DC2BF705B7157DC
- Found in
- Computers › Laptop › Lenovo ThinkPad › X1 & X series › X390NonVPro
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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 |
| GD25B256DYIGR | BIOS / SPI flash |
| MX25L8006EM2I-12G | BIOS / SPI flash |
| GD25Q80CSIGR | BIOS / SPI flash |
| BD82032FVJ-GE2 | CPU / SoC |
| BQ25700ARSNR | Charger |
| MP86901-CGLT-C669-Z | Power (PWM) |
| NB690 | Power (PWM) |
| NB693 | Power (PWM) |
| MP2949AGQKT | Power (PWM) |
Text from the first pages
INPUT VCC5M_PD VCCST WLAN · LAN PCH · VER CONTROLLER POINT · Jazz/Sideswipe Pass-1 2.01 reader/FRP/NEC INTERFACE · SENSE I/F port · VER Lightsaber-3 SIT JACKSONVILLE ALC3287 CONNECTOR MIC SPEAKER PAD/NFC CONNECTOR SWITCH ENGINE-3 ENGINE-3 TPM · Finn-1 card CARD CARD JACK EXT BEEP Debug 88.KEYBOARD/TRACK G-SENSOR · MODULE MODULE LEVEL CONNECTOR · (1/2) (2/2) CONTROLLER CONNECTOR CONN · INTERFACE 52.LID/CAMERA/MIC/TOUCH CONNECTOR RIDGE RIDGE Switch 3 2230 2 DEMUX/HDMI · PD 63.THUNDERBOLT SOCKET TYPE SOCKET TYPE-A TYPE-A · Logic ESPI/SPI/SMBUS/C-LINK SIGNALS (1/2) (2/2)