[Fixed history]
<SYS BIOS>
v1.50-
01. Fix Discrete M56 Platform play DVD has garbage on LCD and CRT when into powerplay mode.
02. Workaround for Discrete SATA HDD would be lost issue.
03. Workaround for ODD Lost Issue
04. Fix Discrete Platform BlueTooth Communication cause BlueScreen.
05. Fix Discrete Platform Camera Delay Issue
v1.40- 
01. Fix system will blue screen(0x0A) when test INT15 (Int15_repeat) on dual core(Turion) CPU system
02. Solved PCIE detect error(Wireless LAN) when plug in new card.
03. Fix dmi type 17 read error (The information of slot1 and slot2 is reversed)
04. Fix Chicony Camera can't be detacted issue
05. Modify Chicony Camera PID for PID Changed
06. Update M52P/M54 VBIOS for Dicrete Samsung G-die VRAM
07. Update M56 VBIOS for SATA HDD Long Run Lost Issue
08. Modify hdd password string to meet acer spec
09. Fix SATA HDD Boot Fail when Long Run Test
10. Fix USB Device Busy after doing S4->S3
11. Solved that Using e-lock to lock fir during file transfer will cause system blue screen.
12. Fix SD Card copy performance low

<EC BIOS>
v1.50-
None, The same as V1.40.
v1.40- 
01. Don't send PBTN_OUT if lid is closed. (Fix "PB+Lid=System Shutdown" under Windows OS)

[SOP]
To flash BIOS under DOS mode, please extract CW51150.zip under windows mode, system restart to boot to pure Dos mode by bootable disk and then click the <flash.bat> to flash BIOS.
To flash BIOS under Windows mode, please extract CW51150.zip and click the <flash32.exe> to flash BIOS
