LA-6753P – Lenovo G570
The LA-6753P (Compal) motherboard is found in the Lenovo G570, Lenovo G470 and Lenovo G570-20079. The catalog lists 8 files for it: 5 BIOS files, 2 schematics and 1 boardview.
File names mention revision 1.0 or 0.3. The BIOS dumps are 4 MB images. ODM project name: PIWG2. First posted in January 2017 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.
BIOS dumps 5
Schematics 2
Boardviews 1
From the uploader
LENOVO G570-20079
MFG 11/11/08
SN CB12026639
PN 59312566
MO CB01110854
FID PRC4
PIWG2 LA-6753P REV 1.0
2011-01-19
25Q32BVSIG(U5)
25L1005A-MC-12G(U33)
BIOS 40CN28WW(V2.14)
EC 40EC28WW(V2.14)
BOARD ¹ 27
Board facts
| Board number | LA-6753P |
|---|---|
| Designed by | Compal |
| Platform group | LA-6 |
| ODM project | PIWG2 |
| Revisions | 1.0, 0.3 |
| BIOS chip size | 4 MB |
| Flash chip | 25L1005A, 25Q32BVSIG |
| Graphics | discrete GPU |
| First seen | 2017-01-26 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics, BIOS Files |
| About the number | Compal board numbers start with LA- for main boards and LS- for daughter boards. |
Laptops that use LA-6753P
What these files are for
A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.
A schematic is the circuit diagram of the main board: power rails, power-up sequence, component values and net names. It is the reference for measuring voltages and tracing a fault.
A boardview is the component placement map of the PCB: click a part or a net and the viewer highlights where it is and what it connects to. Used together with the schematic to find test points.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .7z | 7-Zip archive | 7-Zip or WinRAR |
| .bdv | Honhan .bdv boardview | OpenBoardView, FlexBV or Honhan BoardViewer |
| PDF schematic | any PDF reader; Sumatra PDF and Foxit handle large schematics well | |
| .rar | RAR archive | 7-Zip or WinRAR |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
Questions
Which laptops use the LA-6753P board?
Files in the catalog link LA-6753P to the Lenovo G570, Lenovo G470 and Lenovo G570-20079.
What BIOS chip size does LA-6753P use?
The BIOS images for LA-6753P are 4 MB. Flash chips named in the files: 25L1005A and 25Q32BVSIG.
Who designed the LA-6753P board?
LA-6753P is a Compal board number used by Lenovo.
Is there a boardview for LA-6753P?
Yes, 1 boardview file in .bdv format.
Where do the download links go?
Each button opens the original public Telegram post the file was shared in. ChambersDesignInc.com only indexes and cross-references those posts.