m1000e chassis questions: Unable to access web management interfaces

My immediate problem is that I am unable to connect to the CMC web management console on http(s)://192.168.0.120. (80 or 443)
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I have a powered up m1000e chassis.
It has:
5 m610 blades (powered off and not yet configured)
2 CMCs
2 Cisco 3130x switches...

I have an external monitor and usb keyboard/mouse connected to the kvm.
I am connected to the primary cmc (blue light) and am able to issue racadm commands.
I am able to run "racadm connect server-1" and issue commands to the switch.

I have configured the cmc with the default IPs and gateways and run racadm commands that confirm this.

When I connect my laptop directly to the ethernet port on the CMC, my browser times out and does not connect.
I have:
- A solid green light on my physical wire.
(Does the CMC support ping? It does not respond to a ping.)
- I have ensured I am not using a proxy in my firefox browser.
(It doesn't require a crossover CAT5 cable does it?)

Last week I momentarily got to a username/password prompt popup window for the cisco 3130 web interface (eg: 192.168.0.121), but could not figure out what the username/password should have been. Since then, it will not respond.

Should the CMC web interface "just work"?
If I am connected to the kvm, does it disable the web interface?
Is there a racadm command that must be run first to enable the CMC web interface?

I have done a racadm rackresetcfg (factory reset) once already.

Thanks.