2010.10.22
Šarūnas Burdulis
Department of Mathematics
Dartmouth College
Intel Core Duo low voltage processor L2300 (1.50GHz, 2MB L2, 667MHz FSB)
1GB RAM (2 NonParity DDR2 SDRAM SoDIMM PC2-5300)
12.1 inch XGA (1024x768) (Lenovo LTN121XJ-L07)
40GB 5400rpm Serial ATA (Toshiba MK4032GSX)
Intel Graphics Media Accelerator 950
Intel PRO/1000 Gigabit Ethernet
Intel PRO/Wireless 3945ABG
56K V.92 Modem
SD Card Reader
Firewire
2010.10:
Original 5400RPM disk replaced with Intel X25-E (SLC) 32GB SSD
New 4-cell 2 Ah “slim line” battery
$ lspci 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02) 00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02) 00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02) 00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02) 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02) 00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA AHCI Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02) 02:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet Controller 03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02) 15:00.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b4) 15:00.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller (rev 09) 15:00.2 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 18)
Sound works as long as modem is not disabled in BIOS.
Powertop (2Ah 4-cell slim line battery):
# powertop --dump PowerTOP 1.13 (C) 2007 - 2010 Intel Corporation Collecting data for 15 seconds Cn Avg residency C0 (cpu running) ( 0.0%) C0 0.0ms ( 0.0%) C1 halt 0.0ms ( 0.0%) C2 0.4ms ( 0.4%) C3 6.3ms (106.6%) P-states (frequencies) 1500 Mhz 7.5% 1000 Mhz 92.5% Disk accesses: Wakeups-from-idle per second : 178.1 interval: 15.0s Power usage (ACPI estimate): 10.3W (2.6 hours) Top causes for wakeups: 29.2% ( 63.3) [Rescheduling interrupts]16.5% ( 35.8) PS/2 keyboard/mouse/touchpad interrupt 14.7% ( 31.8) [uhci_hcd:usb2, yenta, i915@pci:0000:00:02.0] 13.2% ( 28.6) [iwl3945] 8.2% ( 17.7) [kernel scheduler] Load balancing tick 5.4% ( 11.7) [extra timer interrupt] 3.9% ( 8.5) mutter 1.9% ( 4.1) avahi-daemon 1.8% ( 3.9) [kernel core] hrtimer_start (tick_sched_timer) 1.7% ( 3.6) Xorg 0.8% ( 1.8) gnome-terminal 0.7% ( 1.5) [acpi] 0.5% ( 1.0) [kernel core] iwl_bg_monitor_recover (iwl_bg_monitor_recover) 0.5% ( 1.0) ntpd 0.5% ( 1.0) gvfs-afc-volume 0.1% ( 0.3) gnome-settings- 0.1% ( 0.3) unity-applicati 0.1% ( 0.1) [kernel core] inc_rt_group (sched_rt_period_timer) 0.1% ( 0.1) NetworkManager 0.1% ( 0.1) upowerd 0.1% ( 0.1) rtkit-daemon 0.0% ( 0.1) rsyslogd 0.0% ( 0.1) gnome-power-man 0.0% ( 0.1) gnome-screensav 0.0% ( 0.1) cron 0.0% ( 0.1) ssh-agent 0.0% ( 0.1) gconfd-2 A SATA device is active 33.3% of the time: host4 An audio device is active 100.0% of the time: hwC0D0 Analog Devices AD1981 Suggestion: Enable wireless power saving mode by executing the following command: iwconfig wlan0 power timeout 500ms This will sacrifice network performance slightly to save power. Suggestion: Enable the CONFIG_PM_ADVANCED_DEBUG kernel configuration option. This option will allow PowerTOP to collect runtime power management statistics. Recent USB suspend statistics Active Device name 0.0% USB device usb5 : UHCI Host Controller (Linux 2.6.35-22-generic uhci_hcd) 0.0% USB device usb4 : UHCI Host Controller (Linux 2.6.35-22-generic uhci_hcd) 0.0% USB device usb3 : UHCI Host Controller (Linux 2.6.35-22-generic uhci_hcd) 0.0% USB device usb2 : UHCI Host Controller (Linux 2.6.35-22-generic uhci_hcd) 0.0% USB device usb1 : EHCI Host Controller (Linux 2.6.35-22-generic ehci_hcd) Runtime Device Power Management statistics Active Device name 0.0% 02:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet Controller Devices without runtime PM 15:00.2 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter 15:00.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller 15:00.0 CardBus bridge: Ricoh Co Ltd RL5c476 II 03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection 00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller 00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA AHCI Controller 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge 00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller 00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 4 more devices without runtime PM ommitted Recent audio activity statistics Active Device name 100.0% hwC0D0 Analog Devices AD1981 Recent SATA AHCI link activity statistics Active Partial Slumber Device name 33.3% 33.3% 33.3% host5 33.3% 33.3% 33.3% host4 33.3% 33.3% 33.3% host3 0.0% 0.0% 100.0% SSDSA2SH032G1GN
Kernel modules as loaded after the install:
$ lsmod Module Size Used by aes_i586 7280 203 aes_generic 26875 1 aes_i586 binfmt_misc 6599 1 parport_pc 26058 0 dm_crypt 11385 0 ppdev 5556 0 snd_hda_codec_analog 59649 1 snd_hda_intel 22107 2 snd_hda_codec 87552 2 snd_hda_codec_analog,snd_hda_intel snd_hwdep 5040 1 snd_hda_codec snd_pcm 71475 2 snd_hda_intel,snd_hda_codec arc4 1165 2 thinkpad_acpi 67659 0 snd_seq_midi 4588 0 snd_rawmidi 17783 1 snd_seq_midi iwl3945 85550 0 snd_seq_midi_event 6047 1 snd_seq_midi snd_seq 47174 2 snd_seq_midi,snd_seq_midi_event pcmcia 35973 0 iwlcore 127415 1 iwl3945 snd_timer 19067 2 snd_pcm,snd_seq mac80211 231541 2 iwl3945,iwlcore snd_seq_device 5744 3 snd_seq_midi,snd_rawmidi,snd_seq snd 49006 14 snd_hda_codec_analog,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,thinkpad_acpi,snd_rawmidi,snd_seq,snd_timer,snd_seq_device nvram 6342 1 thinkpad_acpi cfg80211 144470 3 iwl3945,iwlcore,mac80211 yenta_socket 21518 0 pcmcia_rsrc 10566 1 yenta_socket soundcore 880 1 snd psmouse 59033 0 serio_raw 4022 0 pcmcia_core 14657 3 pcmcia,yenta_socket,pcmcia_rsrc snd_page_alloc 7120 2 snd_hda_intel,snd_pcm lp 7342 0 parport 31492 3 parport_pc,ppdev,lp i915 291004 4 drm_kms_helper 30200 1 i915 drm 168054 5 i915,drm_kms_helper ahci 19013 0 firewire_ohci 21106 0 intel_agp 26360 2 i915 e1000e 132956 0 sdhci_pci 6339 0 i2c_algo_bit 5168 1 i915 libahci 21667 3 ahci firewire_core 46643 1 firewire_ohci crc_itu_t 1383 1 firewire_core sdhci 15890 1 sdhci_pci led_class 2633 2 thinkpad_acpi,sdhci agpgart 32011 2 drm,intel_agp video 18712 1 i915 output 1883 1 video