Schematic lenovo y550 kiwb1 kiwb2 la-4601p rev 0.1 schematic

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lenovo y550 kiwb1 kiwb2 la-4601p rev 0.1 1

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Technical Specifications

Parameter	Value
Brand	Compal
Motherboard Manufacturer	Compal Electronics, Inc.
Project Code	KIWB1/B2
Board Number	LA4601P
Revision	0.1
Date	2008/03/25
CPU Platform	Mobile Penryn uFCPGA with Intel Cantiga_GM/PM+ICH9-M core logic
CPU Socket	uFCPGA-478
PCH / Southbridge	Intel ICH9-M
GPU Type	NVIDIA NB9P
EC / KBC	ENE KB926D
Audio Codec	Realtek ALC272
BIOS / SPI Flash	BIOS BANK 0, 1, 2, 3
RAM Type	DDR3-SO-DIMM X2
RAM Architecture	Dual Channel
RAM Quantity / Slots	2
LAN IC	BCM5906/BCM5784M
WiFi / WLAN IC	SLG8SP556V
Card Reader IC	Realtek 5158E
Clock Generator	ICS9LPRS387AKLFT
HDMI Level Shifter	PS8101T

Technical Summary

This Compal KIWB1/B2 LA4601P Rev 0.1 motherboard is designed for the Mobile Penryn uFCPGA-478 CPU platform with Intel Cantiga GM/PM GMCH and ICH9-M southbridge core logic. The system uses an ENE KB926D embedded controller and features a Realtek ALC272 audio codec. Graphics processing is handled by an NVIDIA NB9P GPU with dedicated VRAM. The board supports dual-channel DDR3-SO-DIMM memory across two slots. BIOS storage is managed across four banks (0, 1, 2, 3). Networking is provided by a BCM5906/BCM5784M LAN IC, while wireless connectivity uses an SLG8SP556V module. The Realtek 5158E controller handles card reader functions. Clock generation is managed by an ICS9LPRS387AKLFT IC, and HDMI level shifting is performed by a PS8101T device.

Technician FAQ

Q: What EC/KBC is used on this motherboard?

A: The embedded controller is an ENE KB926D.

Q: What BIOS configuration is used on this motherboard?

A: The BIOS is organized into four banks: Bank 0, 1, 2, and 3.

Q: What audio codec is used on this motherboard?

A: The audio codec is a Realtek ALC272.

Q: What LAN IC is used on this motherboard?

A: The LAN IC is a BCM5906/BCM5784M.

Q: What is the memory configuration on this motherboard?

A: The board supports dual-channel DDR3-SO-DIMM memory across two slots.

Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.

Indexed motherboard components

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KIWB1 Project Code LA4601P Board Number Mobile Penryn uFCPGA with Intel Cantiga_GM/PM+ICH9-M core logic CPU Platform ICH9-M PCH / Southbridge NVidia NB9P Graphics KB926D EC / KBC ALC272+ Audio Codec DDR3-SO-DIMM X2 RAM Type BCM5906/BCM5784M LAN Controller SLG8SP556V WiFi / WLAN 5158E Card Reader IC ICS9LPRS387AKLFT Clock Generator PS8101T Signal Conditioning IC