model: Presario C301NR(model id: 481)
subtype (notebook, netbook, motherboard, tablet):
notebook
does it have a free boot firmware (BIOS,UEFI,...) ?
no
can free operating systems be installed?
yes
does the device prevent installing wifi cards not-approved by the vendor?
yes (see the details inside the description entry)
year of commercialization:
2006
compatibility with free software:
A-platinum 
tested on:
Trisquel 4.5 Slaine
Trisquel 5.0 Dagda
Trisquel 5.5 Brigantia
Trisquel 6.0 Toutatis
tested with the following kernel libre:
2.6.35
3.1.7
3.2.16
3.4
3.6.6
3.8.10
video card model:
Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) (works with 3D acceleration)
wifi model:
Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) (it works)
webcam model:
(there is no webcam)
Description:
Trisquel includes a free driver for the Broadcom wireless device that works well under most circumstances. It has occasional issues of disconnecting when there is heavy network activity, and frequently disconnects from a PEAP-authenticated WPA wireless connection that I use sometimes, but it is a miniscule price to pay for software freedom. Everything else works great, including Suspending to RAM and Hibernation.
I tried replacing the WiFi card with one from Atheros, but the BIOS prevented the system from booting when the Atheros card was plugged in.
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