Thanks, lwfinger.
I'm not sure what I'm looking for, but here is the relevant part of dmesg.
Linux video capture interface: v2.00
intel8x0_measure_ac97_clock: measured 51861 usecs
intel8x0: clocking to 48000
cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.6 loaded
cx88[0]: subsystem: 0070:1402, board: Hauppauge WinTV-HVR3000 TriMode Analog/DVB-S/DVB-T [card=53,insmod option]
cx88[0]: TV tuner type 63, Radio tuner type -1
cx2388x alsa driver version 0.0.6 loaded
cx88/0: cx2388x v4l2 driver version 0.0.6 loaded
cx88[0]: Test OK
tveeprom 1-0050: Hauppauge model 14109, rev B3D3, serial# 1642887
tveeprom 1-0050: MAC address is 00-0D-FE-19-11-87
tveeprom 1-0050: tuner model is Philips FMD1216MEX (idx 133, type 63)
tveeprom 1-0050: TV standards PAL(B/G) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xf4)
tveeprom 1-0050: audio processor is CX882 (idx 33)
tveeprom 1-0050: decoder processor is CX882 (idx 25)
tveeprom 1-0050: has radio, has IR receiver, has no IR transmitter
cx88[0]: hauppauge eeprom: model=14109
input: cx88 IR (Hauppauge WinTV-HVR300 as /devices/pci0000:00/0000:00:1e.0/0000:01:00.2/input/input5
cx88[0]/2: cx2388x 8802 Driver Manager
vendor=8086 device=244e
cx88-mpeg driver manager 0000:01:00.2: PCI INT A -> GSI 21 (level, low) -> IRQ 21
cx88[0]/2: found at 0000:01:00.2, rev: 5, irq: 21, latency: 64, mmio: 0xfc000000
vendor=8086 device=244e
cx88_audio 0000:01:00.1: PCI INT A -> GSI 21 (level, low) -> IRQ 21
cx88[0]/1: CX88x/0: ALSA support for cx2388x boards
vendor=8086 device=244e
cx8800 0000:01:00.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21
cx88[0]/0: found at 0000:01:00.0, rev: 5, irq: 21, latency: 64, mmio: 0xfa000000
cx88[0]/0: registered device video0 [v4l2]
cx88[0]/0: registered device vbi0
cx88[0]/0: registered device radio0
cx88/2: cx2388x dvb driver version 0.0.6 loaded
cx88/2: registering cx8802 driver, type: dvb access: shared
cx88[0]/2: subsystem: 0070:1402, board: Hauppauge WinTV-HVR3000 TriMode Analog/DVB-S/DVB-T [card=53]
cx88[0]/2: cx2388x based DVB/ATSC card
tuner-simple 1-0061: creating new instance
tuner-simple 1-0061: type set to 63 (Philips FMD1216ME MK3 Hybrid Tuner)
DVB: registering new adapter (cx88[0])
DVB: registering frontend 0 (Conexant CX22702 DVB-T)...
Adding 2104472k swap on /dev/sda5. Priority:-1 extents:1 across:2104472k
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.14.0-ioctl (2008-04-23) initialised:
dm-devel@redhat.com
loop: module loaded
kjournald starting. Commit interval 5 seconds
EXT3 FS on sda7, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
fuse init (API version 7.9)
powernow: This module only works with AMD K7 CPUs
cx22702_readreg: readreg error (ret == -6)
cx22702_writereg: writereg error (reg == 0x0d, val == 0x00, ret == -6)
cx22702_readreg: readreg error (ret == -6)
cx22702_writereg: writereg error (reg == 0x0d, val == 0x01, ret == -6)
cx22702_readreg: readreg error (ret == -6)
cx22702_writereg: writereg error (reg == 0x0d, val == 0x00, ret == -6)
cx22702_readreg: readreg error (ret == -6)
cx22702_writereg: writereg error (reg == 0x0d, val == 0x01, ret == -6)
cx22702_readreg: readreg error (ret == -6)
cx22702_writereg: writereg error (reg == 0x0d, val == 0x00, ret == -6)
cx22702_readreg: readreg error (ret == -6)
cx22702_writereg: writereg error (reg == 0x0d, val == 0x01, ret == -6)
cx22702_readreg: readreg error (ret == -6)
cx22702_writereg: writereg error (reg == 0x0d, val == 0x00, ret == -6)
cx22702_readreg: readreg error (ret == -6)
These error messages do not look encouraging! Anyway, II hope this helps. Thanks again for your help.