User Manual
Contents
1. Appendix A After sales Service Customer Service Please contact Premier Farnell local sales and customer services staffs for the help Website http www farnell com Technical Support Please contact Premier Farnell local technical support team for any technical issues through the telephone live chat amp mail or post your questions on the below micro site we will reply to you as soon as possible Centralized technical support mail box knode tech element14 com Community http www element14 com community community knode dev platforms kits Please visit the below micro site to download the latest documents and resources code http www element14 com community community new technology at91sam9g45 evk Notes This board was designed by element14 s design partner Embest you can contact them to get the technical support as well Marketing Department Tel 86 755 25635656 25638952 Fax 86 755 25616057 E mail market embedinfo com Technical Support Tel 86 27 87290817 E mail support en embedinfo com URL http www embedinfo com en2. Ams Maximum ms Average ms C Documents and Settings kevin gt 3 6 How to test Telnet 1 Use the command ifconfig ethO to look up eth Link encap Ethemet HWaddr 3A 1F 3408 5454 BROADCAST MULTICAST MTU 1500 Metnc l RX packets errors 0 dropped 0 overruns frame 0 TX packets errors 0 dropped 0 overruns carrier collisions 0 txqueuelen 1000 RX bytes 0 0 0 E TX bytes 0 0 0 B Interrupt 25 Base address Oxc0O00 2 Following step 1 we can see the mac address as 3A 1F 34 08 54 54 then open a browser on the PC and enter https 192 168 2 1 to look for the ip address 192 168 2 109 Now use the command of ifconfig ethO 192 168 2 109 to configure the ip address and enter root at91sam ifconfig ethO 192 168 2 109 Then look for the result as shown below root atSlsam ifconfig eth Link encap Ethernet HWaddr 34 1F 34 06 54 54 inet addr 192 168 2 109 Bcast 192 168 2 255 Mask 255 255 255 0 UP BROADCAST RUNNING MULTICAST MTU 1500 Metric 1 RX packete ldd errors 4 dropped 0 overrune 0 frame Th packets l1 7 errora 0 dropped 0 overrune 0 carrier collisions 0 txqueuelen 1000 FX bytes 12207 11 9 KiB TR bytes 3323 3 2 Rib Interrupt 25 Base addrese UsxcQ00 lo Link encap Local Loopback inet addr 127 0 0 1 Mask 255 0 0 0 UP LOOPBHACK RUNNING MTU 16436 Metric 1 Re packets l errora 0 dropped 0 ewverruns frame 0 Th packetse 0 errora 0 dropped 0 overrune 0 carrier 0 colli
3. SRAM SerialFlash AT2 step 4 Download Upload File BST Con step 3 Send File Mare F EB S5 amp MSG45 Linus 4 3 Se ij Los ETT File Hecerve File Name ReceweFle File 0420000 Size For Receive File asi O00 bute s Compare sent File with memory Scripte Send Boat File Execute step 5 Ox20000 mitra NE HER by applet al d buffer addr Ox70003440 Note Step 1 Open files Step 2 Pick up the file u boot bin Step 3 Add address 0x20000 Step 4 Send File Step 5 Successfully download the file u boot bin Y Follow the below steps to download ubootEnvtFileNandFlash bin Address 0x60000 ing SAM BA 2 9 at91sam9g45 ek E Ioj xj File Script File Link Help at sam9m10 Memor Display Start Address Ox300000 Refresh Display format p e Size in bei 0100 C asci Sit 16 bit 32 bit infos Apply 0 x00300000 OXELOOOO 14 OXELFFFFFE OXELOOOO S OXELFFFFFE E 0x00300010 UxEA FFFFFE UxEA FFFFFE UxEA FFFFFE OxES LODOOE x 0300020 DxES5SBDi1ZzG8 DxES5SAD USC DnxESSCDh LDs DnxEZiDDh ni T step 1 step 2 DORAM DataFlash AT45DB DEB EEPROM AT24 NandFlash NorFlash SRAM SerialFlash AT step 4 Download Upload File de Send File Name F EB SAM9G45 Linux_4 3 LCT ubootEnvtFileNandFlash bin Send File Receive File Name wo Receive File lm 060000 Size For Receive File osi O00 butef s Compare sent file with memory Scripte Send Boot File Execute step 5
4. history file 0 events added ie JSAM BA console display active TclB 4 13 Tk8 4 13 ATO1 ISP v1 13 1 ATO1 ISP v1 13 1 96 v From this console select NandFlash then execute the enable NandFlash script as shown below e ea m e nt Uu www element14 com lind SAM BA 2 9 at 1sam g45 ek File Script File Link Help at samBm1U Memon Display Start Address 0300000 Refresh Display format Size in byte s 0x100 C asc B amp bit C 16 bit 32 bit 0x00300000 OxE amp 000014 OxEAFFFFFE OxE amp 000063 DxEA FFFFFE 0x00300010 OXEAFFFFFE xEAFFFFFE xEAFFFFFE OxESAO0DODS x 0300020 xESSBDi1ZzG xESSADUAC OxESoCDOO4 OXE 100001 EEE DDRAM DatsFlash ATASDB DCB EEPROM AT24 NandFlash NorFlash SRAM SerialFlash AT25 AT26 Download Upload File Send File Name pe Send File step 2 ceive File Name eS Receive File o Size For Receive File o O41 000 byte s Compare sent file with memory Scripts step 1 es step 3 Ser uud 070003440 T Applet nitalzatin done FAT Note Step 1 Enable Nandflash Step 2 Execute Step 3 Successfully Enable NandFlash Y Now follow the below steps to download nandflash_at91sam9g45ekes bin ind SAM BA 2 9 at9lsam9g45 ek File Script File Link Help al sam m0 Memory Display Start Address 0 200000 Refresh Display format LT den ze Size in byte s 0x1 00 C ascii C 8bt C
5. AT9ISAM9GA5 EVK Linux User Manual Y nt Uu www element14 com AMEL Revision History e eine nt IL www element14 com 1 BUILD THE DEVELOPMENT PLATFORM ccccccccccccscccccccccccccccccscceccccscccccccccsccsccccsccecccces 1 1 1Create the working directory sise 1 1 2 Cross Compilation tools err oooida s roe errat eu eap PR ex SUr eg VER VAR Ru an Vb TAE TAa SEEN i eee P EDU CUT VI aV a aaae 1 1 3 Install AT91Bootstrap source code and compile cc cessesccecceeseeceeeeeeseeeceeeeeeeeceeseueeeeeeees 1 L AIR AL ODOO SOUEGB cessione MM M E MM MEE 1 1 5 Install linux kernel sOUrcCe eere eren herren rhet terrores errores soon 5 2 DOWNLOAD LINUX IMAGES TO ATMEL SAM9G45 ARM9 BOARD cccccccsccccsccccccceccccece 6 2 1 Install dowtnload tOO S ome o este eh aeu Rein EEEN R 6 2 2 Connect ATMEL SAM9G45 ARM9 Board with SAM BA cccscceccscecceccscescscescucescescusenceees 6 2 2 1 Install ATO1SAM9G45 EVK s USB driver ccccceccececceccsccscsscsccecsccscescscescsecesesctscscscssescass 6 2 2 2 Connect the ATMEL AT91SAM9G45 EVK ARM Board eene nennen 6 POW NO dG iri tc TETTE TTE 6 3 HOW TO USE LINUX ccccccecccccccccsccccscccccccsccccccccccccsccccscceccccsccecccccccccsccccsccessccsccecccceccececs 11 3 1 Touchscreeri callBrablOl ussorceoryp over eon PR eR Roa u E RS QUE eade e Eee vol spin oru ebisOrababOsdrokubes UP etes ax aa
6. Bootstrap source code and compile 1 Install source unzip 05 Linux_Source Official_ Code AT91Bootstrap Bootstrap v1 14 zip 2 Compile cd Bootstrap v1 14 board at91sam9g45ekes nandflash make clean make CROSS COMPILE usr local arm 2007q1 bin arm none linux gnueabi Is 3 Now you can see nandflash_at91sam9g45ekes bin under this directory 1 4 Install uboot source 1 Install tar xvjf 05 Linux Source Official Code u boot u boot 1 3 4 tar bz2 C cd u boot 1 3 4 2 Compile make distclean make clean make at91sam9g45ekes nandflash config make CROSS COMPILE usr local arm 2007q1 bin arm none linux gnueabi element www element14 com AME ls 3 Now you can see u boot bin under this directory 1 5 Install linux kernel source 1 Install tar xvjf 05 Linux Source Official Code linux kernel 2 6 30 linux 2 6 30 tar bz2 C cd linux 2 6 30 patch p1 05 Linux Source Official Code linux kernel 2 6 30 2 6 30 at91 patch gz tar xvzf 05 Linux Source Official Code linux kernel 2 6 30 2 6 30 at91 exp 4 tar gz C for p in 2 6 30 at91 exp 4 do patch p1 lt Sp done patch p1 05 Linux Source patch all modify diff Add the configure file LCD type configure file LCD 4 3 AT91SAM9G45 EVK 4 3lcd defconfig LCD 7 0 AT91SAM9G45 EVK 7 0lcd defconfig LCD 10 2 AT91SAM9G45 EVK 10 2lcd defconfig cp arch arm configs configure file config 2 Compi
7. HWaddr 34 1F 34 08 54 54 BROADCAST MULTICAST MIU 1500 Metric 1 EX packete 0 errors 0 dropped 0 overrune 0 frame U TS packete 0 errore 0 dropped 0 overrunes 0 carrier 0 collisions txqueuelen 1000 RR bytes 0 0 0 B TX bytes 0 0 0 B Interrupt 25 Base address 0xc000 2 Use ifconfig ethO 192 168 2 115 command to configure the board s IP to 192 168 2 115 as follows root atSlsam media mmcblk0pl ifconfig eth 192 168 2 115 ront ata lsam media mmcblkl pi ifconfig ethl ethl Link encap Ethernet HWaddr 3 1PF 34 08 54 54 inet addr 182 158 2 115 Bcast 182 1688 2 2bh Mask 255 255 255 0 UP BROADCAST MULTICAST MIU 1500 Metric l EX packets l errors 1 dropped 0 overrunes 0 frame TH packets T errore 0 dropped 0 overrunz 0 carrier l callisions l txqueuelen 1000 REX bytes 0 0 0 B TX bytes 2070 2 0 KiE Interrupt 25 Base address 0xcU00 3 Use ping command in PC to test the network connection between the board and the PC cy CC WIRDOWS system3 cad exe CG gt Documents and Settings kevin ping 192 168 2 115 Pinging 192 168 2 115 with 32 bytes of data Reply from 172 168 2 115 bhytes 32 timetlms TTL 128 Reply from 172 168 2 115 bhytes 32 timetims TTL 128 Reply from 172 168 2 115 bhytes 32 timetims TTL 128 Reply from 192 168 2 115 bytes 32 timetims TTL 128 Ping statistics for 172 168 2 115 Packets Sent 4 Received 4 Lost B loss Approximate round trip times in milli seconds Minimum
8. I File size Ox20000 bytes writing Ox20000 bytes at Ox 60000 buffer addr Oxz 0003840 Ox20000 bytes written by applet ATO1 ISP v1 13 1 e ea Y e nt Uu www element14 com Y Follow the below steps to download ulmage Address 0x200000 ling SAM BA 2 9 atii samS g45 ek File Script File Link Help at91sam9m10 Memory Display Start Address 0 300000 Refresh Display format i traces on E Size in byte s 0x100 C asci C Bi C 16 bit 32 bit nios x 0x00300000 OxE 000014 OxEAFFFFFE OxE 4000063 OxEAFFFFFE 0x00300010 OXELFFFFFE DUxEAFFFFFE OXELFFFFFE OxE3 A0D008 0x003000270 Ox ESSBD126 Dx ESOADO4AC xEBSCDhOO4S xEzinDp uli step 1 k uil CE step 2 DORA DiatsFlash AT4SDB DCB EEPROM AT24 NandFlash NorFlash SRAM SerialFlash AT2 step 4 Download Upload File Luc a LH step 3 Send File Name F EB 5AMSG45 Linux 4 3 LCD mel ia Send File ecelve File Name Receive File Compare sent File with memory step 5 Ox20000 bytes written by applet Writing OxLCOS0 bytes at Ox3C0000 buffer addr Ox z 00034405 Ox1CD80 bytes written by applet ATO1 IEP v1 13 1 96 v Follow the below steps to download Angstrom x11 image demo glibc at91 rootfs jffs2 Address 0x500000 lind SAM B 2 9 at91sam9g45 ek File Script File Link Help at31samSm1U Memory Display Start Address 04300000 Refresh Display format Applet races on DEGU Size in byte s a
9. a 11 3 2 How to use flash dise a de en de a a ce UE 11 3 3Howtouse SDC emma mena cesse 12 7 HOWAO piv mps MR a a a D EN EINE prn ee On Re 12 3 5 How to test the Ethernet cccccscsccecscscsecsccecscscecscscascscecascscaecscecascscscascscscascscesenceeas 12 3 6 HOW to test Telnet essesesessssssssssssssssssssssssssosossesossssesosassssosasssssossssossosssosossssososssoosassesososssse 13 RS 15 A THE LIST OF SOFTWARE 5 05524240235 encens anses cas pad ERREUR OxE a Esa Sa ORR Ci ves 023 mens as Cass ss vu rssiobER3 Ces 16 APPENDIX A AFTER SALES SERVICE cccccccsccccscccccccscccccccccccccccccscccccccsccccscccccccsccccsccescccecceces 17 NU OS is bie aa ee ah tretedstehavote nes rains nen dinba da che ak en iacs E 17 Technical Suppor levers RR RR a a on 17 m nt U www element14 com AIMEL 1 Build the development platform This section focuses on to introduce the basic knowledge of embedded Linux development including how to install the required source code and how to compile it 1 1Create the working directory mkdir home AT91SAM9G45 EVK cd home AT91SAM9G45 EVK Copy 05 Linux Source Document from the CD to home SAM9G45 Don t change the document s name 1 2 Cross compilation tools tar xvjf 05 Linux Source Official Code CrossTool arm 2007q1 10 arm none linux gnueabi tar bz2 C usr local 1 3 Install AT91
10. creen successfully you can enter into Linux 2 Before entering into Linux through the PC HyperTerminal you must login in as follows at91sam login root 3 2 How to use flash disk 1 After entering into Linux through the HyperTerminal insert a flash disk into the USB Host port of the board then the following information will be displayed on Hyper Terminal screen usb 1 2 new high speed USB device using atmel ehci and address 3 usb 1 2 New USB device found idVendor 1005 idProduct b113 usb 1 2 New USB device strings Mfr 1 Product 2 SerialNumber 3 usb 1 2 Product USB FLASH DRIVE usb 1 2 Manufacturer usb 1 2 SerialNumber 198910540920 usb 1 2 configuration 1 chosen from 1 choice scsil SCSI emulation for USB Mass Storage devices scsi 1 0 0 0 Direct Access USB FLASH DRIVE PMAP PQ 0 ANSI O CCS sd 1 0 0 0 sda 7831552 512 byte hardware sectors 4 00 GB 3 73 GiB sd 1 0 0 0 sda Write Protect is off sd 1 0 0 0 sda Assuming drive cache write through sd 1 0 0 0 sda Assuming drive cache write through sda sda1 sd 1 0 0 0 sda Attached SCSI removable disk 2 At this time Linux has mounted the flash disk automatically now we can use the command to enter into the flash disk as follows root at91sam cd root at91sam cd media root at91sam media cd sda1 3 We can use the following command to view the flash disk files as follows root at91sam media sda1 Is 3 9 How to use SD Card 1 The board
11. d you will see the Linux startup information in the HyperTerminal 2 3 2 Manual download Under below shows the NandFlash demo Memory map e ea Y e nt Uu www element14 com File Address OxS00000 0x200000 FileName NANDFLASH Angstrom x11 image demo glibc at91 rootfs jffs2 Angstrom MS umage O OO linux kernel EEE u bootenv u boot bootstrap gt Use SAM BA to download Linux image ubootEnvtFileNandFlash bin u boot bin v After following step2 1 and step2 2 you can get SAM BA compile console as show below and choose NandFlash ig SAM BA 2 9 at91sam9g45 ek File Script File Link Help at91 sam9m10 Memory Display Start Address o 300000 Refresh Applet traces on PEGI Size in bute s mao infos Li _Apr 0x00300000 OxE amp 000014 OXEAFFFFFE OxE amp 000063 OXELFFFFFE ES 0x00300010 OxEAFFFFFE OxEAFFFFFE OxEAFFFFFE OxES AODOOS D isplay format C aci C Sbit C 16 bit 32bit 0x00500020 OXESSBD1265 OxXESOADO4SC xESSCDOOA DxEZzIDPD l1 LL step 1 P ccc NM DDRAM DataFlash AT45DB DCB EEPROM AT24 NandFlash eris SRAM SerialFlash AT25 AT26 D ownload Upload File Send File Name pe Send File Receive File Name eo Receive File Address foxo Size For Receive File psi O00 byte s Compare sent file with memory Scripts Enable D ataflash SPIO CS0 Execute loading
12. debit 32bit nos 0x00300000 OXE 2000014 xEAFFFFFE xEADOO00863 OXELFFFFFE 0x00300010 OXELFFFFFE xEAFFFFFE xEAFFFFFE OXES10D00S Ts DDRAM DatsFlash AT45DB DCB EEPROM AT24 NandFlash NorFlash SRAM SerialFlash AT25 AT26 Download Upload File Send File Name mm Send File step 2 Receive File Mare m Receive File Size For Receive File m O00 byte s Compare sent File with memory 0x00300020 xESSBDi1zG xESSAD A4C OxESSCDO04 xEZzi1DbD di Scripts step 1 LIEU e step 3 Ji Writing Ox1478 bytes at Ox buffer addr Ox70003440 H I 0v1478 bytes written by applet ATO1 ISP v1 13 1 96 Note Step 1 Choose Send Boot File Step 2 Execute and you can pick up the file nandflash at91sam9g4b5ekes bin Step 3 Download nandflash at91sam9g4b5ekes bin successfully e a m e nt Uu www element14 com Y Follow the below steps to download u boot bin lind SAM BA 2 9 at91samSg45 ek File Script File Link Help at91 sammi Memory Display Start Address 0 200000 Refresh Size in byte s as p Display Format C asi bit 16 bit 32 bit 0x00300000 OXxE 10000 14 OXELFFFFFE OXELOOOO S OXELFFFFFE ES 0Ox00300010 OxEaPFFFFFE DODxEA FFFFFE OXELFFFFFE OxE3A0naOg08 02003000270 xE5SBhl1Zz3 xE5SAD USC Ox ESOChOO4 OXEZ 100001 step 1 S step 2 DDRAM DatsFlash AT4SDB DEB EEPROM AT24 NandFlash NorFlash
13. has two SD Card interfaces SD MMC Card interface and Micro SD Card interface You need to insert the respective SD card into the respective SD slot 2 After inserting SD Card into the board HyperTerminal will display the following information mmc1 new SDHC card at address d555 mmcblk0 mmc1 d555 SD04G 3 79 GiB mmcblk0 p1 p2 3 Use the following command to enter into the SD Card root at91sam media cd media mmcblk0p1 4 You can use the following commands to view the SD card files root atSleam mediah cd media mmcblk pl ront at lsam media mmcblk pl lz Don t cry mp3 boot bin linux bin liunian mp3 lost dir rant atBalsam media mmcblk pit a 3 4 How to play a mp3 file 1 Before playing a mp3 file you need to insert the headphone into the HEADPHONE interface on the board And then insert a SD Card containing MP3 files 2 Use the SD Card by following step explained in section 3 3 3 Use mplayer command to play the mp3 file as follows root at91sam media mmcblk0p1 mplayer liunian mp3 You can listen to the music from the headphone and input any key to stop the music 3 5 How to test the Ethernet First connect the board and PC with a cross Ethernet cable or connect the board to a Switch using a straight through Ethernet cable 1 Use ifconfig ethO command to view the Ethernet configuration information as follows rant atalsam media mmcblkU pli ifconfig eth ethi Link encap Ethernet
14. le make ARCH arm menuconfig make ulmage ARCH arm CROSS COMPILE usr local arm 2007q1 bin arm none linux gnueabi Note If you cannot use make ulmage please try this command to install it apt get install uboot mkimage 3 Now you can see ulmage under arch arm boot pQ p Y e nt Uu www element14 com AME 2 Download Linux images to ATMEL SAM9G45 ARM9 Board 2 1 Install download tools Please refer to the 03 tools SAM BA sam ba install 2 2 Connect ATMEL SAM9G45 ARM9 Board with SAM BA 2 2 1 Install AT91SAM9G45 EVK s USB driver Please refer to 03 tools SAM BA the board driver install 2 2 2 Connect the ATMEL AT91SAM9G45 EVK ARM Board First you should open the JP2 jumper wire then double click the SAM BA v2 9 icon in the PC s desktop then it will display the dialog T HER Select the connection Susb s SR MO Select your board at samdq 5 ek Connect Exit Click Connect to connect the ATMEL AT91SAM9G45 EVK ARM9 Board with Scand close the JP2 jumper wire 2 3 Download Linux images 2 3 1 Auto download After following step 2 1 and step 2 2 open the 02 Images linux image AT91SAM9G45 EVK Linux 4 3 LCD click on download bat file By this SAM BA will start downloading the Linux images to the board automatically please be patient it may take longer then 3min After image download connect the development board with the PC Hyper Terminal using serial port then reset the boar
15. m 119 786 216 456 icmp seq tt1 53 time 162 6 ms Bd bytes from 119 T5 218 45 icmp seq ttl 53 time 188 1 mea Bd bytes from 119 T5 218 45 icmp seq 4 ttl 53 time 352 1 ms 3 7 RTC usage 1 Make sure the board has been installed with 3V button cell for the backup power 2 When the system boot first time the time will be set to the initial time So we must set the correct time after first boot gt Set time note we must set the hwclock as well root Qat91sam date s 2011 07 18 17 36 00 hwclock w Readtime read system time and hardware time root at91sam S date root at91sam S hwclock r p rri p nt LL www element14 com AMEL 4 The list of software AT91Bootstrap Guide to Uboot Main function 1 Support NandFlash to erase read and write Bootloader 2 Support net to download Image Uboot 3 Support to set and keep environment variables 4 Support the memory to appear compare and modify 5 Support bootm and bootargs to set Kernel Swtemdok Kernel and device SPI driver Support 512 Bytes small Page 2K bytes big Page driver is compatible with 128Mbit 8Gbit capacity Audio driver default driver is IIS WM8731 USB Host Support U disk driver DMA DMA driver jffs2 file system Support jffs2 file system Serial debug terminal download image terminal rand Download tools of mm OO S OT US SAM BA through USB download Bootloader and kernel into NandFlash of board
16. si o0 C aci C gbt C 16 bit 32 bit linfos Apply 0x00300000 OxEs000014 OXELFFFFFE OxEAOO0063 OXELFFFFFE E 0x00300010 OxEAPFFFFE OKXELFFFFFE DXELFFFFFE OXES LODOOE t 1 0x00300070 OxESSBD126 OxEB5B59AD OSC Ox ESocCpoo4 OxE2 100001 3 3E step 4 step 2 DDRAM DataFlash AT45DB DCB EEPROM AT24 NandFlash MorFlash SRAM SerialFlash 2 Tefal ad Upload File step 3 Send File Mame inus 4 37 CB BJ Angstrom amp 11 mage demo glibc at31 raatfs fF is Send File Receive File Name pu Receive File Address 0500000 Size For Receive File o x1 000 m Compare sent File with memory Scripts Send Boot File Execute step 5 bytes written by applet Writing Ox20000 bytes at Ox1F00000 buffer addr Dx 0003440 Ox20000 bytes written by applet ATOL ISP v1 13 1 p Mm nt U www element14 com AMEL 3 How to use Linux We can operate Linux with the touchscreen or by serial port Here we will use the serial port to demonstrate how to use Linux in order to use it more appropriately Then this section will demonstrate how to use important operations like mount flash disk or SD Card or test Ethernet or play mp3 files 3 1 Touchscreen calibration 1 After powering on the board first time its highly recommended to calibrate the touchscreen only need to calibrate it the first time The LCD will display some point and you must press these point accurately After calibrating the touchs
17. sions 0 txqueuelen l REX bytes 0 0 0 B TX bytes 0 0 0 Bj 3 Set the gateway gt First use the command to ping 192 168 2 1 to examine the connection of Internet as follows root atGisam ping 192 168 2 1 PING 192 188 2 1 182 188 2 1 56 data bytes Bd bytes from 182 158 2 1 icmp seq ttl 64 time 11 4 me Bd bytes from 182 158 7 1 icmp seq 1 ttl 64 time 1 2 ms Secondly use route add default gw 192 168 2 1 to configure the gateway root atGlsam route add default gw 182 188 2 1 gt Use ping 202 112 17 137 to confirm root at ilsam ping 202 112 1T 137 PING 202 112 17 137 1202 112 1T 137 56 data bytes 6d bytes from 202 112 1T 137 icmp seg ttl 51 time 315 5 me Bd bytes from 2027 112 17 13T icmp seqg 1 ttl 51 time 333 1 ms 4 Now use the Telnet command Telnet 202 112 17 137 to access the BBS 5 Configure the DNS to access the Internet decided by the user environment gt n the PC use the command ipconfig all to look up for the DNS 202 103 24 68 Use touch etc resolv conf to build the file root at9lsam touch feto resolv conf gt Use echo nameserver 202 103 24 68 gt gt etc resolv conf root atGlsam echo nameserver 202 103 24 68 gt gt fetcfresolw conf gt Now try to ping www baidu com to test the Internet if you get ping response then TESTED OK root atGlsam ping www baidu com PING ww a shifen com 119 T5 218 45 56 data bytes Bd bytes fro
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