무아4G RAM 이 2개 꼽혀있는데 아래와 같은 에러가 나옵니다.
한개씩 꼽아보고 테스트를 해봐야 하나요?
Apple-Image:~ appleimage$ memtest all
Memtest version 4.22 (64-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only
Mac OS X 10.6.8 (10K549) running in multiuser mode
Memory Page Size: 4096
System has 2 Intel core(s) with SSE
Requested memory: 5065MB (5311381504 bytes)
Available memory: 5065MB (5311381504 bytes)
Allocated memory: 5065MB (5311381504 bytes) at local address 0x0000000101000000
Attempting memory lock... ERROR: Memory lock failed - reason unknown.
WARNING: Testing with unlocked memory may be slower and less reliable
Partitioning memory into 2 comparison buffers...
Buffer A: 2532MB (2655690752 bytes) starts at local address 0x0000000101000000
Buffer B: 2532MB (2655690752 bytes) starts at local address 0x000000019f4aa000
Running 1 test sequence... (CTRL-C to quit)
Test sequence 1 of 1:
Running tests on full 5065MB region...
Stuck Address : ok
Linear PRN : ok
Running comparison tests using 2532MB buffers...
Random Value : ok
Compare XOR : ok
Compare SUB : ok
Compare MUL : ok
Compare DIV : ok
Compare OR : ok
Compare AND : ok
Sequential Increment: ok
Solid Bits : ok
Block Sequential : ok
Checkerboard : ok
Bit Spread : ok
Bit Flip : testing 146 of 512
FAILURE! Data mismatch at local BUFA address 0x0000000114b47380, BUFB address 0x00000001b2ff1380
BUFA Data: 0x0000000000000000, BUFB Data: 0x0000000000040000
Walking Ones : ok
Walking Zeroes : ok
*** Memory Test Failed *** Please check transcript for details.
Execution time: 3611 seconds.
...
메모리를 최소한으로 꼽고 메모리 테스트를 하여 문제 없으면 메모리를 바꿔가면서 테스트하세요.
메모리 외에 보드 메모리 슬롯도 문제가 있을수 있습니다.
말씀하신대로 청소하고 메모리 1개만 꼽고 해보니 각각 테스트 정상인 것을 보면 메모리는 문제가 없는 것 같은데
2개를 꼽고 하면 테스트 실패하네요.
메모리를 첫번째 슬롯만할때 잘된다면 두번째 슬롯만 꼽고 돌려보세요.