Time: 12:30 PM PT/3:30 PM ET
TV: Fox Sports Net / Comcast SportsNet Bay Area - Barry Tompkins (Play-By-Play), Petros Papadakis (Analyst), Rebecca Haarlow (Sideline). Check if the local FSN affiliate is covering your game.
Radio: KGO 810 AM (San Francisco) - Joe Starkey (Play-By-Play), Troy Taylor (Analyst, Pregame Show), Todd McKim (Pregame Show, Sideline), Lee Grosscup (Postgame Show), Kate Scott (Postgame Show) & KALX 90.7 FM (Berkeley) - Elliott Schwimmer (Play-By-Play), Beni Shpringer (Analyst)
Radio affiliates: KESP 970 AM (Modesto), KGIL 1260 AM (Los Angeles), KPRZ 1210 AM (San Diego), KTKZ 1380 AM (Sacramento); also Sirius XM Channels 194 & 217, 127 (USC radio broadcast)
The KALX feed is available online. I don't think you can get Starkey online though unless you've signed up for All-Access.
Streams: Post links in the comments (warning--FSN has been shutting down streams a lot, so have an audio stream handy)
Injury report (courtesy of CIR): Cal: Tight end Jarrett Sparks (questionable with ankle injury, hasn't played since the opening game), defensive end Trevor Guyton (questionable; injury undisclosed) USC: tailback Dillon Baxter (questionable, sprained toes), linebackers Shane Horton (questionable, undisclosed), Malcolm Smith (questionable, knee), defensive end Wes Horton (questionable, back).
UPDATE: Baxter, Wes Horton and Smith are all not in uniform.
Additional leisure reading before gametime
Gameday Mag: Isi Sofele - Big Plays, Small Back (Oct. 12)
Gameday Mag: Tosh Lupoi - African Safari (Oct. 12)
Gameday Mag: No One Like Cam [Jordan] Can (Oct. 12)
Quote of the day: