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+--- Thread: Flashing SB5101. Putty problem. (/showthread.php?tid=1534)
Flashing SB5101. Putty problem. - Stoowyguy - 15-04-2012
I am trying to flash sb5101 through serial concept but when I go into Putty to start flashing i cant connect to Com1 it says this when i try " Unable to open connections to COM1, Unable to open serial port" How do i get my modem to connect to the comport?
RE: Flashing SB5101. Putty problem. - drewmerc - 15-04-2012
To find out which COM port is assigned to it, open Device Manager
Click Start-> Run
Type devmgmt.msc and press Enter
In the Device Manager window, expand Ports (COM & LPT)
![[Image: 2011-06-11_180431_device.jpg]](http://ww2.justanswer.com/uploads/space143/2011-06-11_180431_device.jpg)
Find and double click on device listed for the scale.
Click on Port Settings tab
Click Advanced button
Beside COM Port Number, change the port number to COM1
![[Image: 2011-06-11_180802_port.jpg]](http://ww2.justanswer.com/uploads/space143/2011-06-11_180802_port.jpg)
Click Ok
If you get any error message, click Yes
Click Ok
Now test the issue.
If it fails, open Device Manager and expand Ports (COM & LPT)
Let me know the name of devices listed under it
RE: Flashing SB5101. Putty problem. - Stoowyguy - 15-04-2012
When I opened the Device Manager. I dont have anything that says Ports (COM & LPT). So I do I get that?
RE: Flashing SB5101. Putty problem. - drewmerc - 15-04-2012
so i guess your using a usb serial cable then, i guess you need to install drivers for your cable
RE: Flashing SB5101. Putty problem. - Stoowyguy - 15-04-2012
Wait a sec, am I able to even flash my modem through ethernet. Cause I dont have a usb for it.
RE: Flashing SB5101. Putty problem. - drewmerc - 15-04-2012
this is an old style serial cable
![[Image: Max232TMC.jpg]](http://i468.photobucket.com/albums/rr41/PokerPlayer316/Max232TMC.jpg)
this is a usb serial cable
![[Image: usb.jpg]](http://www.motortron.com/image/usb.jpg)
this is a usb ttl cable (what i recommend as the best serial cable)
![[Image: USB-TTL-New.jpg]](http://cache1.bigcartel.com/product_images/42120823/USB-TTL-New.jpg)
this next cable is not a serial cable in any way,shape or form (and no you cant flash a 5101 via ethernet)
![[Image: blue.jpg]](https://shop.evocanada.ca/images/blue.jpg)
RE: Flashing SB5101. Putty problem. - Stoowyguy - 15-04-2012
LOL now I am confused. I must not be doing anything right.... Lol, so i mind as well as tell you my entire situation.. I purchased a cable modem with haxorware on it from "this guy" and after awihle it doesn't work anymore. As in when I plug it in Ethernet it says unidentified and doesn't work so I'm trying to re-flash it. What exactlly do I need to do this. I onus have Ethernet for hooking it up what do i need to buy to flash it.
RE: Flashing SB5101. Putty problem. - drewmerc - 16-04-2012
unplug the coax cable (included image just in case) and try logging in if that fails you'll need a jtag cable
![[Image: p7647.jpg]](http://www.midi-classics.com/i/p7647.jpg)
RE: Flashing SB5101. Putty problem. - Stoowyguy - 16-04-2012
Yeah that doesnt work. So were do i get a jtag cable?
RE: Flashing SB5101. Putty problem. - southernyankey1970 - 16-04-2012
I highly rcommend a usbjtag NT 60 bucks usbjtag.com best one there is. Since you are new to this you could get by with a Blackcat usb from Ebay 30 bucks.
so you can't get to 192.168.100.1 ? Is it asking for a password?