I have the new Sprint Pantech PX-500 REV A Card. I love linux. I have them working together.  I robbed most of this information from two other sites, where most of the work was done.  I have both Sprint and Verison cards. I like the Sprint card better becase of REV A.  I look forward to REV A deployment in my area.

http://kenkinder.com/evdo-pc5740/

http://www.ka9q.net/5220.html

Step 1: Enable card using windows driver MUST BE COMPLETED!!!

Step 1.1 Get username in Windows

First in the latest version of sprint connection manage (yes you need to upgrade), 3.02.019, you get a menu option, device info & diagnostics. See screen shot below with my cards info backed out.

Also, you can get into debug mode by putting your mouse on the connect line and hitting ##DEBUG it brings up a nice debug window.

Step 2: Get Drivers for USB/Serial working

First get USB working with USBSERIAL, help on that else where. Send comments

Maybe “modprobe ohci-hcd” or “modprobe ohci_hcd” depending on your laptop chipset.

For Linux noobs issue tail –f /var/log/messages and watch what happens when you insert the card. Also, cat /proc/bus/usb/devices

Step 3: Get device Setup

For kernel version 2.6.11 I did NOT need to do this step.  It worked out for me. I had the kernel option compiled in.  Most people need to do this.

Leave card out

cat /proc/bus/usb/devices > devices

Now INSERT CARD

diff /proc/bus/usb/devices devices  | grep Vendor

< P:  Vendor=0000 ProdID=0000 Rev= 2.06

< P:  Vendor=0000 ProdID=0000 Rev= 2.06

< P:  Vendor=106c ProdID=3701 Rev=0.00

modprobe usbserial vendor=0x106c product=0x3701

Step 4: Set up PPP script file 1

ppp script

Create a file called /etc/ppp/peers/1xevdo:

ttyACM0

115200

debug

noauth

defaultroute

usepeerdns

connect-delay 10000

user 
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show-password

crtscts

lock

lcp-echo-failure 4

lcp-echo-interval 65535

connect '/usr/sbin/chat -v -t3 -f /etc/ppp/peers/1xevdo_chat'

don’t be a dutz and forget to put your username.

Step 5: Setup PPPD file 2

From

I found

Create /etc/ppp/peers/1xevdo_chat with these contents:

'' 'AT'

'OK' 'ATE0V1&F&D2&C1&C2S0=0'

'OK' 'ATE0V1'

'OK' 'ATS7=60'

'OK' 'ATDT#777'

Step 6: Start connection

Dial PPP

pppd call 1xevdo

tail -f /var/log/messages

Then it should work, you may need to enable your DNS. Help on that else where.

Step 7: Rejoice in the power of linux and people who share what they learn.