$ cat /proc/partitions major minor #blocks name 1 0 4096 ram0 1 1 4096 ram1 1 2 4096 ram2 1 3 4096 ram3 1 4 4096 ram4 1 5 4096 ram5 1 6 4096 ram6 1 7 4096 ram7 1 8 4096 ram8 1 9 4096 ram9 1 10 4096 ram10 1 11 4096 ram11 1 12 4096 ram12 1 13 4096 ram13 1 14 4096 ram14 1 15 4096 ram15 179 0 15558144 mmcblk0 179 1 64512 mmcblk0p1 179 2 7496704 mmcblk0p2 $ cat /proc/meminfo MemTotal: 947728 kB MemFree: 649880 kB MemAvailable: 805696 kB Buffers: 29424 kB Cached: 170168 kB SwapCached: 0 kB Active: 163900 kB Inactive: 96584 kB Active(anon): 61420 kB Inactive(anon): 7088 kB Active(file): 102480 kB Inactive(file): 89496 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 102396 kB SwapFree: 102396 kB Dirty: 28 kB Writeback: 0 kB AnonPages: 60936 kB Mapped: 69704 kB Shmem: 7620 kB Slab: 19944 kB SReclaimable: 9600 kB SUnreclaim: 10344 kB KernelStack: 1664 kB PageTables: 3336 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 576260 kB Committed_AS: 710684 kB VmallocTotal: 1114112 kB VmallocUsed: 0 kB VmallocChunk: 0 kB CmaTotal: 8192 kB CmaFree: 3716 kB $ cat /proc/version Linux version 4.4.50-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611) ) #970 SMP Mon Feb 20 19:18:29 GMT 2017 Au repos (X11 ouvert): $ vcgencmd measure_temp temp=43.5'C $ vcgencmd get_mem arm && vcgencmd get_mem gpu arm=944M gpu=64M $ free -o -h total used free shared buffers cached Mem: 925M 290M 634M 7,4M 28M 166M Swap: 99M 0B 99M Avec une souris, un clavier et un rj45: $ lsusb Bus 001 Device 005: ID 046d:c077 Logitech, Inc. Bus 001 Device 004: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub