Salim Badakhshan
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HP ENVY x360 Laptop 13-ay0007ne Compal GPR31 LA-J481P Rev 1.0 2.0 Schematic
Technical Specifications
[TD]Motherboard Manufacturer[/TD][TD]Compal Electronics, Inc.[/TD][/TR]
Technical Summary
The Compal LA-J481P motherboard, revision 1.0, dated January 15, 2020, is built around the AMD Renoir CPU platform in a 1140-pin BGA package. The board utilizes two DDR4 SODIMM slots supporting up to 32GB total memory at 2666 MHz. The system BIOS is stored on a Winbond W25Q128FVSIQ SPI flash ROM in an SOIC-8 package. Embedded controller functions are handled by an ENE KB9542 EC. Audio is managed by a Realtek ALC3292-CG codec. The board includes a TPS65987 USB-C controller for Type-C PD and a TUSB1044 USB hub IC. Charging is handled by a TPS2546 USB charger IC. A TPM 2.0 module is present for security. The PCB part number is DAA000LS100 PCB 2HJ LA-J481P REV0 M/B.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS is stored on a Winbond W25Q128FVSIQ SPI flash ROM in an SOIC-8 package.
Q: What EC/KBC controller is used on this motherboard?
A: The embedded controller is an ENE KB9542.
Q: What type of memory does this motherboard support?
A: The motherboard supports DDR4 memory in two SODIMM slots.
Q: What is the CPU platform for this motherboard?
A: The motherboard is built around the AMD Renoir CPU platform.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
Technical Summary
This Compal LA-J481P motherboard, revision 2.0 dated January 1, 2020, is built around the AMD Renoir platform with a 1140-pin BGA CPU and supports dual-channel DDR4 SODIMM memory at 2666 MHz. The system firmware is stored on a Winbond W25Q128FVSIQ SPI ROM, providing 16MB of BIOS flash. Embedded controller functionality is handled by an ENE KB9542 EC/KBC. Power delivery and charging are managed by a TPS65987D Type-C PD controller, while audio is provided by a Realtek ALC3292-CG codec. The board integrates a TUSB1044 USB hub, an AK6627B card reader and WLAN combo, and a KC3810 LAN controller. Thermal monitoring is performed by a G753T11 sensor.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS is stored on a Winbond W25Q128FVSIQ SPI ROM, which is a 128Mb (16MB) flash IC.
Q: What EC/KBC is used on this motherboard?
A: The embedded controller is an ENE KB9542 EC/KBC.
Q: What is the charging architecture of this motherboard?
A: The charging architecture is Type-C PD, managed by a TPS65987D controller.
Q: What type of memory does this motherboard support?
A: This motherboard supports DDR4 SODIMM memory at 2666 MHz, with two slots available.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Compal |
| Model | LA-J481P |
| Project Code | LA-J481P |
| Board Number | LA-J481P |
| Revision | 1.0 |
| Date | Wednesday, January 15, 2020 |
| CPU Platform | AMD Renoir |
| EC / KBC | KB9542 |
| EC/KBC Manufacturer | ENE |
| BIOS / SPI Flash | W25Q128FVSIQ |
| BIOS Flash Exact Model | W25Q128FVSIQ |
| BIOS Flash Manufacturer | Winbond |
| BIOS Flash Capacity | 128Mb (16MB) |
| BIOS Flash Package | SOIC-8 |
| RAM Type | DDR4 |
| RAM Architecture | SODIMM |
| RAM Quantity / Slots | 2 |
| Audio Codec | ALC3292-CG |
| Card Reader IC | AK6627B |
| WiFi / WLAN IC | AK6627B |
| USB-C Controller | TPS65987 |
| USB Hub IC | TUSB1044 |
| Charging IC | TPS2546 |
| Thermal Sensor | G753 |
| TPM | TPM 2.0 |
| PCB Part Number | DAA000LS100 PCB 2HJ LA-J481P REV0 M/B |
[TD]Motherboard Manufacturer[/TD][TD]Compal Electronics, Inc.[/TD][/TR]
Technical Summary
The Compal LA-J481P motherboard, revision 1.0, dated January 15, 2020, is built around the AMD Renoir CPU platform in a 1140-pin BGA package. The board utilizes two DDR4 SODIMM slots supporting up to 32GB total memory at 2666 MHz. The system BIOS is stored on a Winbond W25Q128FVSIQ SPI flash ROM in an SOIC-8 package. Embedded controller functions are handled by an ENE KB9542 EC. Audio is managed by a Realtek ALC3292-CG codec. The board includes a TPS65987 USB-C controller for Type-C PD and a TUSB1044 USB hub IC. Charging is handled by a TPS2546 USB charger IC. A TPM 2.0 module is present for security. The PCB part number is DAA000LS100 PCB 2HJ LA-J481P REV0 M/B.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS is stored on a Winbond W25Q128FVSIQ SPI flash ROM in an SOIC-8 package.
Q: What EC/KBC controller is used on this motherboard?
A: The embedded controller is an ENE KB9542.
Q: What type of memory does this motherboard support?
A: The motherboard supports DDR4 memory in two SODIMM slots.
Q: What is the CPU platform for this motherboard?
A: The motherboard is built around the AMD Renoir CPU platform.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Compal |
| Model | LA-J481P |
| Motherboard Manufacturer | Compal Electronics, Inc. |
| Project Code | LA-J481P |
| Board Number | LA-J481P |
| Revision | 2.0 |
| Date | Monday, January 01, 2020 |
| CPU Platform | AMD RENOIR |
| EC / KBC | KB9542 |
| EC/KBC Package | EC KBC9542 |
| BIOS / SPI Flash | W25Q128FVSIQ |
| BIOS Flash Exact Model | W25Q128FVSIQ |
| BIOS Flash Manufacturer | Winbond |
| BIOS Flash Capacity | 128Mb (16MB) |
| BIOS Flash Package | SPI ROM |
| Charging IC | TPS65987D |
| Charger Architecture | Type-C PD |
| RAM Type | DDR4 |
| RAM Architecture | DDR4 SODIMM |
| RAM Quantity / Slots | 2 |
| Audio Codec | ALC3292-CG |
| Card Reader IC | AK6627B |
| USB Hub IC | TUSB1044 |
| LAN IC | KC3810 |
| WiFi / WLAN IC | AK6627B |
| Thermal Sensor | G753T11 |
| Power IC(s) | TPS65987D |
Technical Summary
This Compal LA-J481P motherboard, revision 2.0 dated January 1, 2020, is built around the AMD Renoir platform with a 1140-pin BGA CPU and supports dual-channel DDR4 SODIMM memory at 2666 MHz. The system firmware is stored on a Winbond W25Q128FVSIQ SPI ROM, providing 16MB of BIOS flash. Embedded controller functionality is handled by an ENE KB9542 EC/KBC. Power delivery and charging are managed by a TPS65987D Type-C PD controller, while audio is provided by a Realtek ALC3292-CG codec. The board integrates a TUSB1044 USB hub, an AK6627B card reader and WLAN combo, and a KC3810 LAN controller. Thermal monitoring is performed by a G753T11 sensor.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS is stored on a Winbond W25Q128FVSIQ SPI ROM, which is a 128Mb (16MB) flash IC.
Q: What EC/KBC is used on this motherboard?
A: The embedded controller is an ENE KB9542 EC/KBC.
Q: What is the charging architecture of this motherboard?
A: The charging architecture is Type-C PD, managed by a TPS65987D controller.
Q: What type of memory does this motherboard support?
A: This motherboard supports DDR4 SODIMM memory at 2666 MHz, with two slots available.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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