Because "CM-494V-0" is a generic PCB marking, the BIOS file you need depends on the mainboard model printed elsewhere on the board. Common hardware that uses this PCB layout includes: Asus ROG Laptops: Specifically models like the G512Li. Asus VivoBook: Such as the S14 R438D.
HP Desktops: Used in ProDesk 600 G4 desktops (associated with chassis L17653-001).
Industrial Boards: Used in Axiomtek BIB75AHB-01 industrial ATX boards. Steps to Find the Correct BIOS Bin File
To safely flash your BIOS, follow these steps to locate the correct file:
Locate the Mainboard Model: Look for a white or silk-screened label on the board (e.g., "G512LI REV 2.0" or "BIB75AHB"). This is the identifier needed for the BIOS file, not the CM-494V-0 mark.
Identify the BIOS Chip: Find the physical chip on the board to confirm its capacity (e.g., 8MB or 16MB). It is often located near the Super I/O chip and may have a colored dot on it.
Extract from Official Sources: If you have the manufacturer's .exe update file, you can often extract the raw .bin or .cap file using tools like 7-Zip to get the actual image for a hardware programmer.
Community Repositories: If the official site only provides partial updates, technician forums like BadCaps or specific BIOS request groups often host "clean ME" (Management Engine) dumps for these boards. Essential Safety Note
Flashing a BIOS bin file intended for the wrong model—even if both boards have the CM-494V-0 mark—can permanently "brick" your device. Always backup your original BIOS chip using a programmer (like a CH341A) before attempting to write a new file. cm-494v-0 bios bin
The CM-4 94V-0 (often identified with the E162264 certification) is a widely used circuit board designation found in components for HP, Lenovo, Asus
, and Essentiel B devices. Because "94V-0" refers to a UL flammability standard rather than a specific model, a ".bin" BIOS file for this board must be matched to the specific manufacturer's part number or device model (e.g., HP 656933-001 Go to product viewer dialog for this item. Essentiel B Smart Tab 8004 Technical Overview: CM-4 94V-0 BIOS Binary 1. Hardware Identification
Manufacturer Usage: This board design is utilized as a primary motherboard in tablets like the Essentiel B Smart Tab 8004 and as a daughterboard or desktop component for Asus ROG G513 Go to product viewer dialog for this item. and HP ProDesk systems.
The 94V-0 Standard: This marking indicates that the PCB's plastic components meet the Underwriters Laboratories (UL) 94V-0 standard, meaning burning stops within 10 seconds on a vertical specimen. 2. BIOS (.bin) File Role
Low-Level Control: The .bin file is a raw binary image of the firmware stored on the motherboard's EEPROM or Flash memory chip. It initializes hardware components (CPU, RAM, I/O) before the operating system loads.
Recovery and Repair: Technicians use these files to "reflash" bricked motherboards using an external hardware programmer (like the CH341A) when the standard software update method fails.
3. Critical Specifications for BIOS MatchingTo ensure the correct .bin file is used, identify the following on the physical board:
Part Number (P/N): Examples include 739682-501 for HP or 40002165267 for Essentiel B. Because "CM-494V-0" is a generic PCB marking, the
Revision Number: Common revisions include "REV: A" or similar.
EEPROM Capacity: Ensure the binary file size (e.g., 4MB, 8MB, or 16MB) matches the storage capacity of the physical BIOS chip. Procedures for Handling BIOS Binaries
Extraction: BIOS binaries can often be extracted from manufacturer-provided .exe update files using tools like 7-Zip.
Backup: Before writing a new .bin file, always create a "dump" or backup of the original firmware currently on the chip to allow for reversal if the new file is incompatible.
Accessing Utility: For HP systems using this board, the BIOS menu is typically accessed by pressing the Esc key repeatedly during startup, followed by F10.
Could you provide the specific brand and model of the device (e.g., HP ProDesk, Asus Laptop) to help identify the exact BIOS version you need? Lenovo CM-4 94V-0 E162264 Motherboard - eBay
About this item * Condition. Used. * 297518314301. * HP. * Model. E162264. * TYPE. Motherboard.
I understand you’re looking for a CM-494V-0 BIOS binary (.bin) file. However, I cannot directly provide or “make” a BIOS binary, because: Copyright & licensing – BIOS firmware is proprietary
A: Yes. Some cm-494v-0 bios bin files from OEMs disable AHCI for compatibility. You would need to modify the BIN using Intel Integrator Toolkit.
Scenario: You found a file named CM-494V-0_bios.bin on a forum and your system is failing to POST.
Scenario: Your board bricked after a wrong flash and you have a motherboard with USB BIOS Flashback.
Follow this exact sequence to write the cm-494v-0 bios bin.
Once downloaded, check the file size:
Use WinCRC or HashMyFiles to compare the checksum against community posts. If the size is exactly 0 bytes or 1KB, the file is fake.
This is the most common repair method for this board.
.bin file, erase the chip, and write the new file.