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how to Identify Killer wireless N 1202 on Ubuntu?

rated 0 times [ 2] [ 0] / answers: 1 / hits: 3576 / 2 Years ago, wed, january 12, 2022, 9:51:04

I bought this Dell ultrabook (XPS 13) with Ubuntu and I know Dell is known for messing up orders. (plus I had some problems on the Wifi, that's why I've been investigating deeper).

The wifi card on it is supposed to be a Killer wireless N 1202 but a a simple sudo lshw -C network gives me

  *-network               

       description: Wireless interface

       product: AR9462 Wireless Network Adapter

       vendor: Qualcomm Atheros

       physical id: 0

       bus info: pci@0000:01:00.0

       logical name: wlan0

       version: 01

       serial: <shows the serial number>

       width: 64 bits

       clock: 33MHz

       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless

       configuration: broadcast=yes driver=ath9k driverversion=3.8.0-30-generic firmware=N/A ip=192.168.3.27 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn

       resources: irq:16 memory:d0400000-d047ffff memory:bfa00000-bfa0ffff

and according to this wiki entry the killer uses the same chipset than the budget AR9462.

So the question, how do I reliably identify that they are giving me the correct stuff without having to crack open this tiny ultrabook?

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ainsbeave

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answered 2 Years ago guialk · Accepted Answer

It determines the name from the PCI ID the device is showing, looking it up in /usr/share/hwdata/pci.ids. In this case 168c:0034 (check with lspci -nnk | grep -A2 net) and that's translating out as an Atheros chipset.

It isn't uncommon for wireless brands to use chipsets they didn't manufacture. I have no problem believing you have the Killer Wireless-N in your laptop, it's just not what you thought it was before you bought it.

This should probably also serve as a lesson about being up-sold "professional" and "gaming" level tat.

The important thing here is removing the conflation between product and chipset.

Ubuntu talks to the chipset so that's really all it knows about. All we can do here is confirm that you're running a device that contains a AR9462 chip.

As you've already shown, the Killer Wireless N 1202 contains a AR9462. It seems logical that they are one and the same. If you want to confirm that the Killer Wireless N 1202 contains an AR9462, you'll either have to ask Killer, or rip one open. the chipset. Talk to Killer if you need a second opinion but images like this suggest that this is the case.

If you need to confirm that this is actually a Killer Wireless N 1202 and not just any old AR9462-bearing device, you're going to have to open it up (or trust the retailer).