Unhide 'Advanced' menu in Acer 1551 bios
Posted: Thu Jun 30, 2011 9:25 am
Hi to all. I own a Acer Aspire 1551. In bios (Phoenix) of my laptop has a hidden menu (Advanced). By WinHex I found the transition to the processing function "Advanced " menu. I tried to unhide it, but I have a problem with assembler. please help me find the value in nvram
This is the code that I found in TEMPLAT00.ROM. What should I do next? Sorry for my english, I'm from Russia.
This is the code that I found in TEMPLAT00.ROM. What should I do next? Sorry for my english, I'm from Russia.
Code: Select all
00003491 55 push bp
00003492 8BEC mov bp,sp
00003494 E80200 call word 0x3499
00003497 5D pop bp
00003498 CB retf
00003499 B040 mov al,0x40
0000349B 9A7901BFE2 call word 0xe2bf:0x179
000034A0 3C09 cmp al,0x9
000034A2 7518 jnz 0x34bc
000034A4 06 push es
000034A5 56 push si
000034A6 B800F0 mov ax,0xf000
000034A9 8EC0 mov es,ax
000034AB BEC9FF mov si,0xffc9
000034AE 268A04 mov al,[es:si]
000034B1 5E pop si
000034B2 07 pop es
000034B3 3C20 cmp al,0x20
000034B5 7405 jz 0x34bc
000034B7 B80000 mov ax,0x0
000034BA EB03 jmp short 0x34bf
000034BC B81300 mov ax,0x13
000034BF C3 ret
