Specifications

• Write — Writes to a physical memory address to test write cycles and memory. Similar to the Read
command, this command takes a region, address in that region, and a comma-separated list of values to
write.
Output
list Output
root@dell-diag-os:~# memtool --list
===================================
Region ID: 0
Region Name: DDR3-0
Address: dynamically allocated, Chunk: 0x2800 KB
Largest Cache Size: 0, Cache Line Size : 0
Access: d Increment: 8 Ecc: Y Iterations: 1
Configuration device: SPD (/dev/i2c-1) at 0x50, Regs 0 to 255
Tests:
Address Read Test
Address Write Test
Address Walking 1's Test
Address Walking 0's Test
Data Read Test
Data Write Test
Data Walking 1's Test
Data Walking 0's Test
Data Sliding 1's Test
Data Sliding 0's Test
Data Pattern Tests
Data Cache Test
info Output
root@dell-diag-os:/opt/ngos/bin# memtool --info
==== SPD Data ====
Density 4096 MB, Rows: 0, Cols: 0
Bus Width: 64 bits, ECC: yes
Manufacturer: Fairchild
Part Number : NLQ1G7235107C-D12T
[00000000]: 0x92 0x12 0x0b 0x08 0x04 0x21 0x02 0x09 0x0b 0x52 0x01 0x08 0x0a 0x00
0xfc 0x00 || .....!...R......
[00000010]: 0x69 0x78 0x69 0x30 0x69 0x11 0x18 0x81 0x60 0x09 0x3c 0x3c 0x00 0xf0
0x83 0x01 || ixi0i...`.<<....
[00000020]: 0x80 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
0x00 0x00 || ................
[00000030]: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x0f 0x11
0x1f 0x00 || ................
[00000040]: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
0x00 0x00 || ................
[00000050]: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
0x00 0x00 || ................
[00000060]: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
0x00 0x00 || ................
[00000070]: 0x00 0x00 0x00 0x00 0x00 0x83 0x16 0x01 0x14 0x26 0x26 0xc5 0x00 0x49
0xb3 0x69 || .........&&..I.i
[00000080]: 0x4e 0x4c 0x51 0x31 0x47 0x37 0x32 0x33 0x35 0x31 0x30 0x37 0x43 0x2d
Dell DiagOS Tools 59