个别设备DDR（K4A8G165WC）测试问题，数据如下

dhr8369

FAILURE: 0xfdff1200dffbee8d != 0xfdff12ffdffbee8d at offset 0x1960c948.
0 N  x5 e4 |( G  _+ y- H1 o5 lFAILURE: 0xdfff02044fffdd44 != 0xdfff02ff4fffdd44 at offset 0x0a699088.
/ a) t6 c3 D4 Z' Q& B& [FAILURE: 0xf7ef0000fe7f6827 != 0xf7ff0000fe7f6827 at offset 0x0cf190e8.
' }3 b5 H2 n* _4 m8 A2 J" }FAILURE: 0xffff6a00eeded3e8 != 0xffff6a08eeded3e8 at offset 0x1f174168.
. O' {! Q8 Y* KFAILURE: 0xdfff06004fddca12 != 0xdfff060b4fddca12 at offset 0x0b78ee88.
FAILURE: 0xd5ff0210e9ff0c28 != 0xd5ff0292e9ff0c28 at offset 0x087dd628.
FAILURE: 0xb9ff2800efff0b7d != 0xb9ff28c2efff0b7d at offset 0x1267f418.
7 U  {: j5 ]+ [' Q4 w8 zFAILURE: 0xdfff5880fbf36342 != 0xdfff58cffbf36342 at offset 0x1804ba38.

: L, w! v# C, P* Y

modengxian111

额，这是个啥

dhr8369

内存检测工具输出的数据，还在查DDR4的原因

yushang006

尽量描述具体些

dhr8369

搞不懂啊，就发现出现问题的设备有个共性低八位没问题，高八位数据随机时间出错

dhr8369

CPU core operating speed of up to 1.2 GHz
5 [0 Z/ A9 Q  u& vHigh-speed 8/16-bit DDR3/3L/DDR4 DRAM memory controller
The SDRAM interface clock—up to 800 MHz for DDR3/DDR4 respectively
" _# x6 u) }4 `  ~5 a- ~DDR选用的是三星的DDR4-2666，1333MHz fCK for 2666Mb/sec/pin
/ T* E9 q  d7 I, ~. c

dhr8369

DDR高八位偶有读写错误是哪的问题？有遇到解决的吗？