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toh:gigaset:sx76x [2012/12/29 17:03]
delboy
toh:gigaset:sx76x [2016/02/14 19:13] (current)
tmomas Pictures resized
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 +====== SIEMENS / SAGEM Gigaset SX762 / SX763 ======
  
 +// 20150409 zo0ok: When I cleaned up the ToH I thought about writing 2x333 in the CPU MHz column. But since it clearly stated in this article that the second core is for VOIP it is not clear that OpenWRT can use the second core in SMP fashion. Please clearify (and delete this note). // 
 +===== Supported Versions =====
 +^ Ver.   ^ S/N                ^ OpenWrt Version Supported ​   ^ Model Specific Notes                                                                       ^
 +| v1     | S30852-H70x-xxxx ​  ​| ​     no       | original firmware version 2.x.x.x ​  |
 +| v1     | S30852-S70x-xxxx ​  ​| ​     no       | original firmware version 2.x.x.x, see: https://​forum.openwrt.org/​viewtopic.php?​id=36612 ​ |
 +| v2     | S30852-S70x-xxxx ​  ​| ​ trunk, backfire with patch  | original firmware version 4.x.x.x ​  |
 +
 +**v1 is based on amazon SoC, so we won't talk about that version here. **
 +
 +**Beware when buying a SX762 second hand, it might have the correct serial number, but the wrong firmware, see link above**
 +
 +<WRAP box center 80%> {{:​meta:​icons:​tango:​48px-emblem-question.svg.png }} If you can **confirm** that OpenWrt is running on this device (i.e. you or someone else has **tested** it), please update the data accordingly. -> Click //View/Edit data//
 +/* Special style definitions for the various Tables of Hardware. ​           */
 +{{page>​meta:​infobox:​tohstyles&​noheader&​nofooter&​noeditbtn&​inline&​indent&​link}}
 +---- datatable ----
 +cols    : Model, Versions, Supported Since Rev_url, Supported Since Rel, Supported Current Rel, Device Techdata_pageid
 +align   : l,c,l,c,c,c
 +filter ​ : Model=SX762
 +filteror: Model=SX763
 +----</​WRAP>​
 +
 +===== Hardware Highlights =====
 +^ CPU                                                                  ^ Ram    ^ Flash   ^ Network ​       ^ USB   ^ Serial ​  ^ UART   ^
 +| Lantiq Xway Danube @333Mhz Dual Core (second core is for voip dsp)   | 32MB   | 8MB     | 4 RJ45 ports   | Yes   | Yes      | Yes    |
 +
 +==== Openwrt status ====
 +  * ADSL modem is working with both Annex A & Annex B supported.
 +  * WiFi is working out of the box with trunk. (//ath5k//)
 +  * FXS works and can be used with owsip daemon.
 +  * USB works with a ugly patch.
 +  * FXO port is not working.
 +
 +===== Installation =====
 +  - -> [[doc:​howto:​obtain.firmware]] for latest trunk image (potentially unstable) just [[http://​downloads.openwrt.org/​snapshots/​trunk/​lantiq/​openwrt-lantiq-xway-ARV4525PW-squashfs.image|click here]].
 +  - -> [[doc:​howto:​generic.flashing|Install OpenWrt (generic explanation)]]
 +
 +==== Flash Layout ====
 +Please check out the article [[doc:​techref:​Flash.Layout]]. It contains an example and a couple of explanations.
 +
 +^  Default Flash Layout ​ ^^^^^
 +^ partition ​  ^ start        ^ end          ^ size     ^ description ​                 ^
 +| mtd0        | 0x00000000 ​  | 0x0000e000 ​  | 56KB     | first loader ​                |
 +| mtd1        | 0x0000e000 ​  | 0x00010000 ​  | 8KB      | nvram (env)                  |
 +| mtd2        | 0x00010000 ​  | 0x00700000 ​  | 7104KB ​  | secondary loader + runtime ​  |
 +| mtd3        | 0x000f0000 ​  | 0x00700000 ​  | 6208KB ​  | rootfs (squashfs) ​           |
 +| mtd4        | 0x00700000 ​  | 0x00720000 ​  | 128KB    | oops                         |
 +| mtd5        | 0x00720000 ​  | 0x00800000 ​  | 896KB    | PSA (config) ​                |
 +
 +^  Modified Flash Layout ​ ^^^^^
 +^ partition ​  ^ start        ^ end          ^ size     ^ description ​         ^
 +| mtd0        | 0x00000000 ​  | 0x00010000 ​  | 64KB     | u-boot ​              |
 +| mtd1        | 0x00010000 ​  | 0x00020000 ​  | 64KB     | u-boot environment ​  |
 +| mtd2        | 0x00020000 ​  | 0x00800000 ​  | 8064KB ​  | linux                |
 +
 +
 +==== Installation procedures ====
 +The original firmware contains two modified [[doc:​techref:​bootloader:​uboot]] [[doc:​techref:​bootloader]]s. Only the secondary one has a CLI.
 +
 +  * The primary bootloader checks the header checksum ([[wp>​sha256]]) of the secondary bootloader
 +  * The secondary bootloader does the same thing with the firmware.
 +  * The sha256bit header checksum is generated by a 1024bit RSA private key which is currently unavailable.
 +
 +Since the checking is only done for first 64Bytes of every 64k block it is possible to edit the secondary bootloader because it's size is less than 64k, by replacing lzma part and replacing it with lzma compressed u-boot. You have two options to install OpenWrt:
 +
 +
 +=== Replace only the secondary bootloader ===
 +|{{:​meta:​icons:​tango:​dialog-information.png?​nolink}}|If for any reason OpenWrt fails to boot, a recovery HTTP server can be started by keeping the reset button underneath pressed, while powering the router on. \\ Note that original fw .img can't be uploaded via recovery HTTP server.|
 +
 +  - download a modified secondary bootloader [[https://​sx76x-openwrt-danube.googlecode.com/​svn/​trunk/​secondary-uboot/​secondary_boot.img|here]]
 +  - The modified secondary u-boot bootloader can be flashed from original web interface firmware upgrade section
 +  - after replacing the original secondary bootloader over the original WebInterface with the version provided in the link, you need to reboot the device.
 +  - since there is no OpenWrt in flash yet, after a reboot it will open HTTP server on **192.168.1.1** (tho it might be some other IP, such as **192.168.2.1**;​ it probably depends on the IP preset in your nvram) asking for OpenWrt image.
 +
 +|{{:​meta:​icons:​tango:​48px-dialog-warning.svg.png?​nolink}} | The secondary_boot.img in the link above has broken networking, it works on some browsers and doesn'​t on others, but one can try older firefox versions, or booting win xp, or old linux distros in wm... After flashing it uploading through the HTTP server won't work. You have to use the serial interface and UART method afterwards as described below.|
 +
 +
 +=== Replace both the primary and the secondary bootloader ===
 +|{{:​meta:​icons:​tango:​dialog-information.png?​nolink}}|This is used to flash u-boot as a primary bootloader. There are two methods to flash u-boot as a primary bootloader, first one from a runing openwrt image, and a second one from serial console|
 +
 +  - before replacing the bootloader, make sure that you flashed secondary bootloader as noted above and that you are running openwrt fw from [[http://​sx76x-openwrt-danube.googlecode.com/​svn/​trunk/​img/​openwrt-lantiq-danube-GIGASX76X-allparts.image|here]]
 +  - obtain the replacement booloader by selecting it the buildmenu ([[doc:​howto:​build#​configuration]]),​ or downlaod from [[http://​downloads.openwrt.org/​snapshots/​trunk/​lantiq/​uboot-lantiq-gigaSX76X_DDRsamsung166_flash/​|snapshot]]
 +  - if you compiled u-boot you will find the file ''​u-boot-bootstrap.bin''​ in ''​../​trunk/​bin/​uboot-lantiq-gigaSX76X_DDRsamsung166/''​ after compilation.
 +  - copy u-boot-bootstrap.bin to /tmp folder inside router filesystem.
 +  - flash env to uboot_env partition with "dd if=/​dev/​mtdblock3 of=/​dev/​mtdblock4"​
 +  - flash u-boot-bootstrap.bin with "mtd write /​tmp/​u-boot-bootstrap.bin uboot"
 +  - now reboot, run recovery HTTP server, and flash image from trunk
 +
 +|{{:​meta:​icons:​tango:​48px-dialog-warning.svg.png?​nolink}} | For the second method you must have a serial TTL interface installed! You need also a TFTP server and new built ''​u-boot-bootstrap.bin''​ in its root folder.|
 +
 +  - U-boot CLI commands:<​code>​
 +setenv ipaddr 192.168.1.1
 +setenv serverip 192.168.1.254
 +
 +//unprotect sectors
 +protect off 1:0-20
 +
 +//first copy nvram to new address:
 +era 0xb0010000 0xb001ffff
 +cp.b 0xb000e000 0xb0010000 0x2000
 +
 +tftpboot 0x816e0000 u-boot-bootstrap.bin
 +era 0xb0000000 0xb000ffff
 +cp.b 0x816e0000 0xb0000000 0x10000
 +reset
 +</​code>​
 +
 +  - since there is no OpenWrt in flash yet, first time after reboot the bootloader will open HTTP server on **192.168.0.119** asking for OpenWrt image.
 +
 +=== Installation procedure for Barrier Breaker (BB) ===
 +(Thanks to **snk** for supporting and make it work) \\ 
 +Since the bootloader for AA is broken and there are not yet any BB-ready images, this will give you a temporary installation for BB.
 +All BB images needed for installation can be found [[http://​www.wilsoft.nl/​download|here]]. \\ 
 +This procedure uses a tftp server on your system. See the Wiki for detailed information.
 +Set the computers IP address to 192.168.1.2. This is the serverip from which the router loads the images.
 +
 +Follow the next steps for installation
 +  - Download, sx762.img, sx762-fw.bin,​ u-boot.bin and place them into your tftp directory. The sx762-fw.bin contains the MAC address of your WIFI. \\ Modify the bytes 22-27 (0x16-0x1b) of this file to contain your MAC address.
 +  - Download u-boot.asc and place it in your local home directory.
 +  - Set the router in UART mode and setup a serial link to your router (see below for detailed description).
 +  - Copy the file u-boot.asc from your local home directory to the router ( "cat u-boot.asc > /​dev/​ttyUSB0"​) and wait until the transfer is completed
 +  - Because this bootloader is in RAM only we need to load the bootloader into ROM <​code>​
 +run update-uboot-nor
 +</​code>​
 +  - After this is completed we can powerdown the router and remove the UART strippings. Leave the serial connection in place!
 +  - Next power up the system and interrupt the bootproces with [space].
 +  - Now we load the firmware into flash <​code>​
 +tftp sx762_fw.bin
 +protect off 0xb07f0000 +$filesize
 +erase 0xb07f0000 +$filesize
 +cp.b $fileaddr 0xb07f0000 $filesize
 +protect on 0xb07f0000 +$filesize
 +</​code>​
 +  - Load the image into flash <​code>​
 +tftp sx762.img
 +protect off $kernel_addr +$filesize
 +erase $kernel_addr +$filesize
 +cp.b $fileaddr $kernel_addr $filesize
 +</​code>​
 +
 +  - Reboot with the command: [reset].
 +  - Enable wifi and off you go.
 +
 +===== Hardware =====
 +==== Info ====
 +| **Architecture:​** ​    | MIPS                                             |
 +| **Vendor:​** ​          | Siemens/​Sagem ​                                   |
 +| **Bootloader:​** ​      | [[doc:​techref:​bootloader:​uboot]] ​                |
 +| **System-On-Chip:​** ​  | Lantiq PSB 50702 E  v1.3 or (v1.4) (MIPS 24Kc)   |
 +| **CPU/​Speed** ​        | 333 Mhz (second core is for voip dsp)            |
 +| **Flash-Chip:​** ​      | [[http://​www.spansion.com/​Support/​Datasheets/​s29gl-a_00_a12_e.pdf|Spansion S29GL064A10TFIR4]] \\ [[http://​www.spansion.com/​Support/​Datasheets/​s29gl-n_01.pdf|Spansion S29GL064N90TFI04]] |
 +| **Flash size:​** ​      | 8 MiB    |
 +| **RAM:​** ​             | 32 MiB   |
 +| **RAM Chip:​** ​        | [[http://​www.samsung.com/​global/​system/​business/​semiconductor/​product/​2007/​6/​11/​DDR_DDR2/​DDRSDRAM/​Component/​256Mbit/​K4H561638H/​ds_k4h56xx38h_tsop2_rev12.pdf|Samsung K4H561638H-UCB3]]\\ [[http://​www.micron.com/​parts/​dram/​ddr-sdram/​~/​media/​Documents/​Products/​Data%20Sheet/​DRAM/​452256Mb_DDR.ashx|Micron MT46V16M16P-5B]] |
 +| **Wireless:​** ​        | SX763: Atheros AR2414A b/g/super g \\ SX762: Atheros AR2413 b/g   |
 +| **Ethernet:​** ​        | Infineon ADM6996i (100Mbit) ​  |
 +| **Internet:​** ​        | ADSL2+ (annex A and B)        |
 +| **USB:​** ​             | Yes 1x 2.0                    |
 +| **Serial:​** ​          | [[#​Serial|Yes]] ​              |
 +| **JTAG:​** ​            | [[#​JTAG|Yes]] ​                |
 +
 +CPU info:
 +| **system type** ​            : DANUBE ​          |
 +| **processor** ​              : 0                |
 +| **cpu model** ​              : MIPS 4KEc V4.1   |
 +| **BogoMIPS** ​               : 222.00 ​          |
 +| **wait instruction** ​       : yes              |
 +| **microsecond timers** ​     : yes              |
 +| **tlb_entries** ​            : 16               |
 +| **extra interrupt vector** ​ : yes              |
 +| **hardware watchpoint** ​    : yes              |
 +| **VCED exceptions** ​        : not available ​   |
 +| **VCEI exceptions** ​        : not available ​   |
 +
 +==== Photos ====
 +PCB:\\
 +{{:​media:​gigaset:​sx76x_pcb_1.jpg?​0x300|Gigaset SX76x PCB}}
 +{{:​media:​gigaset:​sx76x_pcb_2.jpg?​0x300|Gigaset SX76x PCB}}
 +{{:​media:​gigaset:​sx76x_pcb_3.jpg?​0x300|Gigaset SX76x PCB}}
 +{{:​media:​gigaset:​sx76x_pcb_4.jpg?​0x300|Gigaset SX76x PCB}}
 +{{:​media:​gigaset:​sx76x_pcb_5.jpg?​0x300|Gigaset SX76x PCB}}
 +
 +==== Opening the case ====
 +**Note:** This will void your warranty!
 +
 +To get to the board you need:
 +
 +  * unscrew 4 torx-10 screws underneath the cover,
 +  * pull the upper cover which is connected by click.
 +
 +===== Serial =====
 +-> [[doc:​hardware:​port.serial]].
 +
 +Pinout:\\
 +{{:​media:​gigaset:​sx76x_serialv2.jpg?​0x300}}
 +{{:​media:​gigaset:​sx76x_serialv2_zoom.jpg?​0x300}}
 +
 +If your serial cable requires a Vcc, you can use the lower-right pad (i.e. not the one just below the two GND pads, but the one below that).
 +
 +Serial port is at 3.3V and the bitrate is 115200.\\
 +
 +Serial output from default bootloader:​\\
 +<WRAP bootlog>
 +<​nowiki>​
 +ROM VER: 1.0.3
 +CFG 01
 +Read EEPROMX
 + X
 +
 +
 +SHC Danube-External-Flash-Boot - Version V1.2
 +Mem-config:
 +Flash: ​ 8MB- 8MBx1
 +Ram:   ​32MB-32MBx1
 +
 +Low level dbg is active...
 +
 +CPU0
 +MEMS
 +
 +ROM VER: 1.0.3
 +CFG 01
 +Read EEPROMX
 + X
 +
 +
 +SHC Danube-External-Flash-Boot - Version V1.2
 +Mem-config:
 +Flash: ​ 8MB- 8MBx1
 +Ram:   ​32MB-32MBx1
 +
 +Low level dbg is active...
 +
 +CPU0
 +MEMS
 +
 +        -- Danube Primary loader --
 +        Version ​        : 4.1.24.52.12
 +        Build Profile ​  : sx76x_danube_a
 +        Build Date      : Jun 10 2009 - 17:11:31
 +
 +        --> Extract primary loader ​                     [  OK  ]
 +        --> Validate secondary loader (FLASH) ​          ​[ ​ OK  ]
 +
 +        -- Danube Secondary loader --
 +        Version ​        : 4.1.28.52.12
 +        Build Profile ​  : sx76x_danube_b
 +        Build Date      : Dec 15 2009 - 17:54:55
 +
 +        --> Extract secondary loader ​                   [  OK  ]
 +        --> Press enter to activate cli                 ​[ ​ 00  ]
 +
 +sx76x > help
 +base    - print or set address offset
 +bootm   - boot application image from memory
 +bootp   - boot image via network using BootP/TFTP protocol
 +bootd   - boot default, i.e., run '​bootcmd'​
 +cmp     - memory compare
 +cp      - memory copy
 +crc32   - checksum calculation
 +erase   - erase FLASH memory
 +flinfo ​ - print FLASH memory information
 +go      - start application at address '​addr'​
 +help    - print online help
 +loop    - infinite loop on address range
 +md      - memory display
 +mm      - memory modify (auto-incrementing)
 +mtest   - simple RAM test
 +mw      - memory write (fill)
 +nm      - memory modify (constant address)
 +printenv- print environment variables
 +protect - enable or disable FLASH write protection
 +rarpboot- boot image via network using RARP/TFTP protocol
 +reset   - Perform RESET of the CPU
 +run     - run commands in an environment variable
 +saveenv - save environment variables to persistent storage
 +setenv ​ - set environment variables
 +tftpboot- boot image via network using TFTP protocol
 +               and env variables ipaddr and serverip
 +upgrade - data_block_name srcAddr srcLen 0/1
 +?       - alias for '​help'​
 +sx76x > printenv
 +bootcmd=run flash_flash
 +bootdelay=0
 +baudrate=115200
 +preboot=echo;​echo Type "run flash_nfs"​ to mount root filesystem over NFS;echo
 +hwboardid=sx76x-08-32
 +bootstrap=1
 +console_dev=ttyS1
 +validate_images=on
 +keep_magic=on
 +netdev=eth0
 +ramargs=setenv bootargs root=/​dev/​ram rw
 +addip=setenv bootargs $(bootargs) ip=$(ipaddr):​$(serverip):​$(gatewayip):​$(netmask):​$(hostname):​$(netdev):​off
 +ramdisk_addr=B0100000
 +flash_self=run ramargs addip addmisc;​bootm $(kernel_addr) $(ramdisk_addr)
 +bootfile=runtime.img
 +primary_boot_file=primary_boot.img
 +secondary_boot_file=secondary_boot.img
 +runtime_file=runtime.img
 +flashargs=setenv bootargs root=/​dev/​mtdblock1 rootfstype=squashfs
 +flash_flash=run flashargs addmisc; bootm $(kernel_addr)
 +update_primary=tftpboot 80400000 $(primary_boot_file);​upgrade primary 80400000 $(filesize) 0
 +update_secondary=tftpboot 80400000 $(secondary_boot_file);​upgrade secondary 80400000 $(filesize) 0
 +update_runtime=tftpboot 80400000 $(runtime_file);​upgrade runtime 80400000 $(filesize) 0
 +reset_nvram=erase 0xB000E000 0xB000EBFF 1
 +addmisc=setenv bootargs $(bootargs) ethaddr=$(ethaddr) panic=1
 +tftp_RootDir=tftpboot
 +tftp_DeviceDir=porta_danube
 +tftp_Rootfspath=root
 +kernelfile=uImage
 +nfsargs=setenv bootargs root=/​dev/​nfs rw
 +add_nfsrootfs=setenv bootargs $(bootargs) nfsroot=/​$(tftp_RootDir)/​$(tftp_DeviceDir)/​$(tftp_Rootfspath)
 +flash_nfs=run nfsargs add_nfsrootfs addip addmisc;​bootm $(kernel_addr)
 +nfs_flash=tftp 0x80400000 $(kernelfile);​run flashargs addip addmisc;​bootm 0x80400000
 +nfs_nfs=tftp 0x80400000 $(kernelfile);​run nfsargs add_nfsrootfs addip addmisc;​bootm 0x80400000
 +silent=0
 +rnd_num=
 +hwid=Q706-B731
 +ethcnt=8
 +boardid=sx763
 +usbpower=1
 +platform_type=2
 +desc=CT013000000000xxxxxxxxx
 +ethaddr=00:​21:​04:​9E:​xx:​xx
 +customer=0
 +default_variant=ethernet
 +primary_version=v4.1.24.52.12
 +filesize=30180
 +gatewayip=192.168.2.1
 +ipaddr=192.168.2.1
 +serverip=192.168.2.16
 +variant=ethernet
 +options=2
 +stdin=serial
 +stdout=serial
 +stderr=serial
 +
 +Environment size: 1933/3068 bytes</​nowiki>​
 +</​WRAP>​\\
 +
 +==== Bootstrap settings ====
 +
 +Bootstrap pin funcion table:
 +
 +|''​ X = boot_sel2
 + Y = boot_sel1
 + Z = boot_sel0
 +
 + X Y Z function
 + ===============================================================
 + 0 0 0  External parallel flash
 + 0 0 1  ROM > external parallel flash (default)
 + 0 1 0  ROM > ethernet, MII0
 + 0 1 1  ROM > PCI
 + 1 0 0  ROM > UART1
 + 1 0 1  ROM > serial SPI
 + 1 1 0  ROM > NAND flash
 + 1 1 1  ROM > Reverse MII0
 +''​|
 +
 +Value 1 = 3.3v is connected to that pin\\
 +Value 0 = Pin is connected to digital GND\\
 +
 +boot_sel2, boot_sel1, boot_sel0 pins location:\\
 +{{:​media:​gigaset:​boot_pins2-1-0.jpg?​400}}\\
 +Note: boot_sel2 and boot_sel1 are by default on 0 and boot_sel0 is on 1.
 +
 +==== UART ====
 +To enable uart mode, short pins at boot_sel2 (see picture) and connect boot_sel0 to gnd. Than you can send u-boot.asc(downlaod [[http://​downloads.openwrt.org/​snapshots/​trunk/​lantiq/​uboot-lantiq-gigasx76x_ram/​openwrt-lantiq-gigasx76x_ram-u-boot.asc|here]]) to serial port.\\
 +For example if your serial port is ttyUSB0 than do:
 +"cat u-boot.asc > /​dev/​ttyUSB0"​ and wait until u-boot starts.
 +
 +UART mode looks like this:
 +
 +<​code>​
 +ROM VER: 1.0.3
 +CFG 04
 +Read EEPROMX
 + X
 +UART
 +</​code>​
 +
 +===== USB POWER =====
 +SX763 uses a DC/DC switching regulator for 5V USB power, and unfortunately the chip is disabled by OpenWRT and other unofficial firmware (as of april 2013).
 +The chip that provides 5V for USB has enable pin (number 7 to be exact), and the original firmware pulls the enable pin from 0.3V to 3.3V about two seconds before the relay makes a click sound.  ​
 +
 +According to datasheet, enable pin can be unconnected if we want the chip to auto-start, and that is exactly what we want. Therefore, we just need to disconnect the pin number 7 and SX763 will have 5V at USB connector all the time. 
 +
 +Note: When sx76x support gets back to trunk, there will be usb power by default so this hack wont be needed.
 +
 +{{media:​gigaset:​sx763_5v-usb-hack-medium.jpg?​400|}}
 +
 +A close-up:​\\ ​
 +{{media:​gigaset:​sx763_5v-usb-hack-closeup.jpg?​400|}}
 +
 +Another close-up is available at : [[http://​pljusak.com/​papuk/​RSCN1314.JPG]]
 +
 +The good sides of this hack are: 1) if you break the pin on the chip no harm is done, and 2) there are no side-effects in possible overloading the other 5V regulator that is used if you bring the 5V from another DC/DC regulator, as in hack that follows.
 +
 +Previous version of 5V-USB hack follows:
 +----
 +
 +Here is example of added usb power (5.05V measured) over simple pin solder so devices can be recognized on boot.
 +You can even use WIFI dongles as from Attitude Adjustment 12.09-RC1 it works just fine.
 +USB Dongle tested and working: Edimax EW-7722UnD a/b/g/n - Tested in 40mhz HT mode. Max speed measured (TCP): 20mbit (dirty conditions).
 +Over USB hub you could add few more which makes this even a very good base station.
 +
 +On USB port - solder first pin from top.
 +
 +{{:​media:​gigaset:​sx763_pcb_bottom.jpg?​300}}
 +{{:​media:​gigaset:​sx763_usb5v_pin.jpg?​300}}
 +{{:​media:​gigaset:​sx763_5v_pin.jpg?​300}}
 +
 +More info can be found on:
 +[[http://​linux.jezgra.net/​2013/​02/​sx763-hack/​]] ​
 +
 +Please note that side-effects of this power mod are unknown.
 +(Probably there should be no '​ugly-usb-patch'​ added anymore, so it doesn'​t give power on already powered pin.)
 +
 +===== GPIO =====
 +There are 10 gpio pins that i was able to find. Marked them on picture.
 +
 +{{:​media:​gigaset:​sx763_gpio.jpg?​400|}}
 +
 +===== Source code =====
 +There is a tarball with basic code at [[http://​opensource.sagemcom.com/​index.php?​id=54]]
 +
 +===== Tags =====
 +[[meta:​tags|How to add tags]]
 +{{tag>​fxo ADSL2+ lantiq danube usb 64Mb mod 8flash 32ram}}