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Dell Dell Latitude 15 series 5000 (E5550) LA-A911P

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Dell Latitude 15 series 5000 (E5550)
Dell Latitude 5550
BIOS Version A23
LA-A911P r1.0 ZAM80 Dell Latitude E5550 Schematics
Operating System Microsoft Windows 7 Enterprise (64-bit)
Model Dell Inc. Latitude E5550
Processor Intel Core i7-5600U @ 2.60 GHz - 1 processor, 2 cores, 4 threads
Processor ID GenuineIntel Family 6 Model 61 Stepping 4
Processor Codename
Processor Package
L1 Instruction Cache 32 KB x 2
L1 Data Cache 32 KB x 2
L2 Cache 256 KB x 2
L3 Cache 4096 KB
Motherboard Dell Inc. 0R6N9P
Northbridge Intel ID1604 09
Southbridge Intel ID9CC3 03
BIOS Dell Inc. A07
Memory 16274 MB -1MHz
Schematics boardview Dell Latitude E5550_5550l ZAM80 LA-A911P R10-0716.cad

Screen Shot 2021-01-07 at 21.36.27.jpgScreen Shot 2020-11-30 at 23.42.48.jpgScreen Shot 2020-07-01 at 16.07.24.jpg
 

Download list



LA-A911P TOP.pdf
275.7 KB · Views: 524

LA-A911P BOTTOM.pdf
248.8 KB · Views: 494


LA-A911P R10-0716.brd.zip
10.4 MB · Views: 926

Archive.zip
6.4 MB · Views: 445


Is boardview available for la-a911p ZAM80?

Is Mec5085 programmable ? on his model also.
 
Last edited:
No I have no ALWON signal to switch on PU100 with enable signals to output 3.3v/5v Also +3V5V_PWR_SRC voltage is at 13.5v instead of 19v. When I inject 3.3v into enable line on pu100 the I get 3.3v/5v output from it.
 
Dell Latitude 5550 ZAM80 LA-A911P

HELLO THIEN!
I NEED YOUR HELP.

I HAVE A LAPTOP Dell Latitude 5550 ZAM80 LA-A911P REV.1.0(A00) HIS PROBLEM IS THAT IN THE BIOS I HAVE PASWORD I CAN BOOT ANY OS.
I tried to write the two 4 MB and 8 MB chips everything posted here but now the board does not start :worried:
I also attach what I had originally written on the two chips , the 4 mb is different from what I found posted here
 

Download list

W25P32_ORIGINAL_4M.bin
4 MB · Views: 124

W25Q64BV_ORIGINAL_8M.bin
8 MB · Views: 122

HELLO THIEN!
I NEED YOUR HELP.

I HAVE A LAPTOP Dell Latitude 5550 ZAM80 LA-A911P REV.1.0(A00) HIS PROBLEM IS THAT IN THE BIOS I HAVE PASWORD I CAN BOOT ANY OS.
I tried to write the two 4 MB and 8 MB chips everything posted here but now the board does not start :worried:
I also attach what I had originally written on the two chips , the 4 mb is different from what I found posted here
password ? send code above display lock or send photo...
 
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