BIOS WORLD

Lenovo (LCFC) X1 Tablet 3rd NM-B271 · Schematic (89 pages)

File name: X1 Tablet 3rd.PDF

Lenovo (LCFC) X1 Tablet 3rd — Schematic, board NM-B271, 89 pages. Main chips: MEC1650 / PC97100 / PC97090 (EC), W25Q128JVPIQ / W25Q80JVZPIQ / W25Q16FWZPIG (BIOS flash), BQ25700ARSNR / BQ25700A (charger), MP86901 / MP86901-CGLT-Z / TPS68470 (PWM). Covers: audio, chipset (PCH), WLAN / Bluetooth, charger / battery, PMIC, USB-C.

Lenovo (LCFC) X1 Tablet 3rd NM-B271 · Schematic (89 pages) — page 1 preview
Page 1 preview (watermarked, reduced size)
Type
Schematic / document
Size
2.0 MB
Pages
89
Added
2026-10-06
Brand
Lenovo (LCFC)
Board
NM-B271
Also written as
NMB271 · NM B271 · NMB 271 · NMB-271
MD5
22FCC8B2C3650571CE495131795EAD78
Found in
联想 › lenovo update 20230406 › PDF

View online / Buy

Viewing online and buying need a free member account.

Main chips and parts

PartFunction
MEC1650EC (embedded controller)
PC97100EC (embedded controller)
PC97090EC (embedded controller)
W25Q128JVPIQBIOS / SPI flash
W25Q80JVZPIQBIOS / SPI flash
W25Q16FWZPIGBIOS / SPI flash
W25Q128FVPIQBIOS / SPI flash
MX25L12873FZNI-10GBIOS / SPI flash
BQ25700ARSNRCharger
BQ25700ACharger
MP86901Power (PWM)
MP86901-CGLT-ZPower (PWM)
TPS68470Power (PWM)
NB695GDPower (PWM)
NB695GD-ZPower (PWM)

Text from the first pages

PCH WLAN · WLAN WWAN · 3 CONN MODULE MODULE INTERFACE ALC3278 SENSE CONNECTOR ALC3291 CONNECTOR VOLUME · SLOT PMIC WF/UF 1 2 CODEC SPEAKER G-SENSOR CONNECTOR · SOCKET SOCKET LDO CARD JACK JACK DSP BEEP · BATTERY BUTTON TYPE-C · Logic DIAGRAM DDI/EDP DDR DDR MISC/JTAG LPSS/ISH AUDIO/SDXC CSI-2/EMMC CLOCK SYSTEM CPU CPU PCH GND CONNECTOR TPM DEMULTIPLEXER (1/2) (2/2) CONN SWITCH · Camera Camera ROM IR · SSD SD · Touch W25Q128FVPIQ IRIS Kyssa · PCIE Micro Front 500M Rear 800M Wacom BIOS · Conn Reader · NGFF M Card Camera · NGFF Type · CRTL Port1 Port2 CRTL · D-MIC type Print

Other files in the same set

Other files for the same board