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how to overclocking and mount usb key ....



Hi,
I've a Raspberry PI 2, quad cores turbo, i've 3 questions :
1/ How activate the turbo for overclocking ?
2/ How to mount a usb key, what is the /dev/yxz /media ?
3/ how to activate a browsing local network ?

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This is my dmesg's command :
armv7# dmesg
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 7.0 (RPI2.201509261030Z)
total memory = 944 MB
avail memory = 928 MB
sysctl_createv: sysctl_create(machine_arch) returned 17
kern.module.path=/stand/evbarm/7.0/modules
timecounter: Timecounters tick every 10.000 msec
mainbus0 (root)
cpu0 at mainbus0 core 0: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu0: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu0: isar: [0]=0x2101110 [1]=0x13112111 [2]=0x21232041 [3]=0x11112131, [4]=0x10011142, [5]=0
cpu0: mmfr: [0]=0x10101105 [1]=0x40000000 [2]=0x1240000 [3]=0x2102211
cpu0: pfr: [0]=0x1131 [1]=0x11011
cpu0: 32KB/32B 2-way L1 VIPT Instruction cache
cpu0: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu0: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp0 at cpu0: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
vfp0: mvfr: [0]=0x10110222 [1]=0x11111111
cpu1 at mainbus0 core 1
cpu2 at mainbus0 core 2
cpu3 at mainbus0 core 3
obio0 at mainbus0
bcmicu0 at obio0: Multiprocessor
armgtmr0 at obio0: ARMv7 Generic 64-bit Timer (19200 kHz)
armgtmr0: interrupting on irq 3
timecounter: Timecounter "armgtmr0" frequency 19200000 Hz quality 500
bcmmbox0 at obio0: VC mailbox
vcmbox0 at bcmmbox0
vchiq0 at obio0 intr 194: BCM2835 VCHIQ
bcmpm0 at obio0: Power management, Reset and Watchdog controller
bcmdmac0 at obio0: DMA0 DMA2 DMA4 DMA5 DMA8 DMA9 DMA10
bcmrng0 at obio0: RNG
plcom0 at obio0 intr 185
plcom0: txfifo disabled
plcom0: console
genfb0 at obio0no data for est. mode 640x480x67
: switching to framebuffer console
genfb0: framebuffer at 0x3d6fa000, size 1280x1024, depth 32, stride 5120
wsdisplay0 at genfb0 kbdmux 1: console (default, vt100 emulation)
wsmux1: connecting to wsdisplay0
wsdisplay0: screen 1-3 added (default, vt100 emulation)
sdhc0 at obio0 intr 190: SDHC controller
sdhc0: interrupting on intr 190
dwctwo0 at obio0 intr 137: USB controller
bcmspi0 at obio0 intr 182: SPI
spi0 at bcmspi0: SPI bus
bsciic0 at obio0 intr 181: BSC0
iic0 at bsciic0: I2C bus
bsciic1 at obio0 intr 181: BSC1
iic1 at bsciic1: I2C bus
bcmgpio0 at obio0: GPIO [0...31]
gpio0 at bcmgpio0: 32 pins
bcmgpio1 at obio0: GPIO [32...53]
gpio1 at bcmgpio1: 22 pins
usb0 at dwctwo0: USB revision 2.0
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
cpu1: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu1: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu1: isar: [0]=0x2101110 [1]=0x13112111 [2]=0x21232041 [3]=0x11112131, [4]=0x10011142, [5]=0
cpu1: mmfr: [0]=0x10101105 [1]=0x40000000 [2]=0x1240000 [3]=0x2102211
cpu1: pfr: [0]=0x1131 [1]=0x11011
cpu1: 32KB/32B 2-way L1 VIPT Instruction cache
cpu1: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu1: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp1 at cpu1: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
vfp1: mvfr: [0]=0x10110222 [1]=0x11111111
cpu2: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu2: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu2: isar: [0]=0x2101110 [1]=0x13112111 [2]=0x21232041 [3]=0x11112131, [4]=0x10011142, [5]=0
cpu2: mmfr: [0]=0x10101105 [1]=0x40000000 [2]=0x1240000 [3]=0x2102211
cpu2: pfr: [0]=0x1131 [1]=0x11011
cpu2: 32KB/32B 2-way L1 VIPT Instruction cache
cpu2: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu2: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp2 at cpu2: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
vfp2: mvfr: [0]=0x10110222 [1]=0x11111111
cpu3: 600 MHz Cortex-A7 r0p5 (Cortex V7A core)
cpu3: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu3: isar: [0]=0x2101110 [1]=0x13112111 [2]=0x21232041 [3]=0x11112131, [4]=0x10011142, [5]=0
cpu3: mmfr: [0]=0x10101105 [1]=0x40000000 [2]=0x1240000 [3]=0x2102211
cpu3: pfr: [0]=0x1131 [1]=0x11011
cpu3: 32KB/32B 2-way L1 VIPT Instruction cache
cpu3: 32KB/64B 4-way write-back-locking-C L1 PIPT Data cache
cpu3: 512KB/64B 8-way write-through L2 PIPT Unified cache
vfp3 at cpu3: NEON MPE (VFP 3.0+), rounding, NaN propagation, denormals
vfp3: mvfr: [0]=0x10110222 [1]=0x11111111
sdhc0: SD Host Specification 3.0, rev.153
sdhc0: using DMA transfer
sdmmc0 at sdhc0 slot 0
uhub0 at usb0: vendor 0x0000 DWC2 root hub, class 9/0, rev 2.00/1.00, addr 1
uhub0: 1 port with 1 removable, self powered
ld0 at sdmmc0: <0x27:0x5048:SD64G:0x30:0x017321b1:0x0ec>
ld0: 59824 MB, 7626 cyl, 255 head, 63 sec, 512 bytes/sect x 122519552 sectors
ld0: 4-bit width, bus clock 50.000 MHz
uhub1 at uhub0 port 1: vendor 0x0424 product 0x9514, class 9/0, rev 2.00/2.00, addr 2
uhub1: multiple transaction translators
uhub1: 5 ports with 4 removable, self powered
usmsc0 at uhub1 port 1
usmsc0: vendor 0x0424 product 0xec00, rev 2.00/2.00, addr 3
usmsc0:  Ethernet address b8:27:eb:7c:19:fa
ukphy0 at usmsc0 phy 1: OUI 0x00800f, model 0x000c, rev. 3
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
umidi_search_quirk: v=6447, p=2326, i=0
uhidev0 at uhub1 port 2 configuration 1 interface 0
uhidev0: vendor 0x192f USB Optical Mouse, rev 2.00/2.00, addr 4, iclass 3/1
ums0 at uhidev0: 3 buttons and Z dir
wsmouse0 at ums0 mux 0
umidi_search_quirk: v=1241, p=5635, i=0
uhidev1 at uhub1 port 3 configuration 1 interface 0
uhidev1: vendor 0x04d9 USB Keyboard, rev 1.10/3.10, addr 5, iclass 3/1
ukbd0 at uhidev1: 8 modifier keys, 6 key codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
umidi_search_quirk: v=1241, p=5635, i=1
uhidev2 at uhub1 port 3 configuration 1 interface 1
uhidev2: vendor 0x04d9 USB Keyboard, rev 1.10/3.10, addr 5, iclass 3/0
uhidev2: 2 report ids
uhid0 at uhidev2 reportid 1: input=1, output=0, feature=0
uhid1 at uhidev2 reportid 2: input=3, output=0, feature=0
boot device: ld0
root on ld0a dumps on ld0b
root file system type: ffs
vchiq: local ver 6 (min 3), remote ver 6.
vcaudio0 at vchiq0: auds
vchiq_get_state: g_state.remote->initialised != 1 (0)
vchiq: vchiq_initialise: videocore initialized after 1 retries

WARNING: no TOD clock present
WARNING: using filesystem time
WARNING: CHECK AND RESET THE DATE!
audio0 at vcaudio0: half duplex, playback, capture, independent
wsdisplay0: screen 4 added (default, vt100 emulation)
umidi_search_quirk: v=5118, p=7715, i=0
umass0 at uhub1 port 5 configuration 1 interface 0
umass0: Verbatim STORE N GO, rev 2.00/1.10, addr 6
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 1 lun per target
sd0 at scsibus0 target 0 lun 0: <Verbatim, STORE N GO, 5.00> disk removable
sd0: 1911 MB, 7644 cyl, 16 head, 32 sec, 512 bytes/sect x 3913728 sectors
armv7#


Regards
Philippe


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