Lenovo IdeaPad S145-15IKB NM-C561 Schematic
Technical Specifications
Technical Summary
This LCFC GS44B/GS54B motherboard schematic, revision 0.1 dated 2019-02, details a KBL-R-U22/U42 15W platform with DDR4 memory architecture using SO-DIMM+MDx4 configuration. The discrete graphics subsystem is based on Nvidia N16S-GTR/N17S-G1 (N16x/N17x) with 2GB GDDR5 VRAM. The embedded controller is an ITE IT8586E in LQFP128 package. The BIOS SPI flash is a W25Q128JVSIQ 16MB ROM. System monitoring is handled by a F75303M thermal sensor, and the integrated card reader and LAN controller is a Realtek RTS5199.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS SPI flash is a W25Q128JVSIQ 16MB ROM.
Q: What EC/KBC controller is used on this motherboard?
A: The embedded controller is an ITE IT8586E in LQFP128 package.
Q: What is the graphics configuration of this motherboard?
A: This board uses Nvidia N16S-GTR/N17S-G1 discrete graphics with 2GB GDDR5 VRAM.
Q: What memory architecture does this motherboard support?
A: The board supports DDR4 memory via SO-DIMM+MDx4 configuration.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LCFC |
| Model | GS44B/GS54B |
| Motherboard Manufacturer | LC Future Center |
| Board Number | GS44B/GS54B |
| Revision | 0.1 |
| Date | 2019-02 |
| CPU Platform | KBL-R-U22 /U42 15W |
| GPU Type | Nvidia N16S-GTR/N17S-G1 |
| Graphics Architecture | Nvidia N16x/N17x |
| EC / KBC | ITE IT8586E-LQFP128 |
| EC/KBC Package | LQFP128 |
| BIOS / SPI Flash | W25Q128JVSIQ |
| BIOS Flash Exact Model | W25Q128JVSIQ |
| BIOS Flash Capacity | 16MB |
| RAM Type | DDR4 |
| RAM Architecture | SO-DIMM+MDx4 |
| Thermal Sensor | F75303M |
| Card Reader IC | Realtek RTS5199 |
| LAN IC | Realtek RTS5199 |
Technical Summary
This LCFC GS44B/GS54B motherboard schematic, revision 0.1 dated 2019-02, details a KBL-R-U22/U42 15W platform with DDR4 memory architecture using SO-DIMM+MDx4 configuration. The discrete graphics subsystem is based on Nvidia N16S-GTR/N17S-G1 (N16x/N17x) with 2GB GDDR5 VRAM. The embedded controller is an ITE IT8586E in LQFP128 package. The BIOS SPI flash is a W25Q128JVSIQ 16MB ROM. System monitoring is handled by a F75303M thermal sensor, and the integrated card reader and LAN controller is a Realtek RTS5199.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS SPI flash is a W25Q128JVSIQ 16MB ROM.
Q: What EC/KBC controller is used on this motherboard?
A: The embedded controller is an ITE IT8586E in LQFP128 package.
Q: What is the graphics configuration of this motherboard?
A: This board uses Nvidia N16S-GTR/N17S-G1 discrete graphics with 2GB GDDR5 VRAM.
Q: What memory architecture does this motherboard support?
A: The board supports DDR4 memory via SO-DIMM+MDx4 configuration.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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