[LAT] BIOS and IRQ

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To: <linux-audio-tuning@...>
Date: Wednesday, November 26, 2008 - 8:55 pm

Hi,

In my bios I' ve an option
IDE Hard Drive Acoustics Mode which can be set at:
[bypass] (now)
[quiet]
[Suggested]
[Performance]

What is this? Has this anything to do with the quietness of my hard drive?

It a dell worstation 360.

Also kinda dived into IRQs. Can someone say whether I've to change
something?

[code]$ cat /proc/interrupts
CPU0 0: 725 IO-APIC-edge timer
1: 3753 IO-APIC-edge i8042
3: 1 IO-APIC-edge 4: 1 IO-APIC-edge
6: 5 IO-APIC-edge floppy
7: 0 IO-APIC-edge parport0
8: 7 IO-APIC-edge rtc
9: 0 IO-APIC-fasteoi acpi
14: 34836 IO-APIC-edge libata
15: 47652 IO-APIC-edge libata
16: 350995 IO-APIC-fasteoi uhci_hcd:usb1, uhci_hcd:usb4,
mga@pci:0000:01:00.0
17: 45546 IO-APIC-fasteoi uhci_hcd:usb2, ICE1712
18: 137409 IO-APIC-fasteoi uhci_hcd:usb3, libata
19: 2 IO-APIC-fasteoi ehci_hcd:usb5
20: 150832 IO-APIC-fasteoi 0000:02:01.0
NMI: 0 Non-maskable interrupts
LOC: 6091920 Local timer interrupts
RES: 0 Rescheduling interrupts
CAL: 0 function call interrupts
TLB: 0 TLB shootdowns
TRM: 0 Thermal event interrupts
SPU: 0 Spurious interrupts
ERR: 0
MIS: 0
[/code]

[code]~$ lspci -v
00:00.0 Host bridge: Intel Corporation 82875P/E7210 Memory Controller
Hub (rev 02)
Subsystem: Dell Unknown device 0156
Flags: bus master, fast devsel, latency 0
Memory at f0000000 (32-bit, prefetchable) [size=128M]
Capabilities:

00:01.0 PCI bridge: Intel Corporation 82875P Processor to AGP Controller
(rev 02) (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, fast devsel, latency 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
Memory behind bridge: fe000000-feafffff
Prefetchable memory behind bridge: f8000000-f9ffffff

00:06.0 System peripheral: Intel Corporation 82875P/E7210 Processor to
I/O Memory Interface (rev 02)
Flags: fast devsel
Memory at fecf0000 (32-bit, non-prefetchable) [size=4K]

00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB
UHCI Controller #1 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0156
Flags: bus master, medium devsel, latency 0, IRQ 16
I/O ports at ff80 [size=32]

00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB
UHCI Controller #2 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0156
Flags: bus master, medium devsel, latency 0, IRQ 17
I/O ports at ff60 [size=32]

00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB
UHCI Controller #3 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0156
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at ff40 [size=32]

00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB
UHCI Controller #4 (rev 02) (prog-if 00 [UHCI])
Subsystem: Dell Unknown device 0156
Flags: bus master, medium devsel, latency 0, IRQ 16
I/O ports at ff20 [size=32]

00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2
EHCI Controller (rev 02) (prog-if 20 [EHCI])
Subsystem: Dell Unknown device 0156
Flags: bus master, medium devsel, latency 0, IRQ 19
Memory at ffa80800 (32-bit, non-prefetchable) [size=1K]
Capabilities:

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) (prog-if
00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: fdf00000-fdffffff

00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC
Interface Bridge (rev 02)
Flags: bus master, medium devsel, latency 0

00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE
Controller (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: Dell Unknown device 0156
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at 01f0 [size=8]
I/O ports at 03f4 [size=1]
I/O ports at 0170 [size=8]
I/O ports at 0374 [size=1]
I/O ports at ffa0 [size=16]
Memory at febffc00 (32-bit, non-prefetchable) [size=1K]

00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA Controller
(rev 02) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Dell Unknown device 0156
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 18
I/O ports at fe00 [size=8]
I/O ports at fe10 [size=4]
I/O ports at fe20 [size=8]
I/O ports at fe30 [size=4]
I/O ports at fea0 [size=16]

00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus
Controller (rev 02)
Subsystem: Dell Precision 360
Flags: medium devsel, IRQ 10
I/O ports at efe0 [size=32]

01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400/G450
(rev 04) (prog-if 00 [VGA controller])
Subsystem: Matrox Graphics, Inc. Millennium G400 16Mb SDRAM
Flags: bus master, medium devsel, latency 64, IRQ 16
Memory at f8000000 (32-bit, prefetchable) [size=32M]
Memory at fe9fc000 (32-bit, non-prefetchable) [size=16K]
Memory at fe000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at fea00000 [disabled] [size=64K]
Capabilities:

02:01.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
Subsystem: Unknown device 18eb:5312
Flags: bus master, slow devsel, latency 64, IRQ 20
Memory at fdfde000 (32-bit, non-prefetchable) [size=8K]
Capabilities:

02:03.0 Multimedia audio controller: VIA Technologies Inc. ICE1712
[Envy24] PCI Multi-Channel I/O Controller (rev 02)
Subsystem: VIA Technologies Inc. M-Audio Delta Audiophile
Flags: bus master, medium devsel, latency 64, IRQ 17
I/O ports at dee0 [size=32]
I/O ports at dec0 [size=16]
I/O ports at ded0 [size=16]
I/O ports at df00 [size=64]
Capabilities:

02:0c.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet
Controller (rev 02)
Subsystem: Dell Unknown device 0156
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
Memory at fdfe0000 (32-bit, non-prefetchable) [size=128K]
I/O ports at df40 [size=64]
Capabilities:
[/code]

can't change anything in my bios...
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Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 11:55 am)
Re: [LAT] To much latency, Jeremy Jongepier, (Sun Oct 30, 12:03 pm)
Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 12:23 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Sun Oct 30, 1:50 pm)
Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 2:13 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Sun Oct 30, 2:19 pm)
Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 2:39 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Mon Oct 31, 11:59 am)
Re: [LAT] To much latency, Dave Stikkolorum, (Tue Nov 1, 4:17 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Wed Nov 2, 5:34 pm)
Re: [LAT] To much latency, Rafael Vega, (Tue Nov 1, 12:25 am)
Re: [LAT] To much latency, Daniel James, (Tue Nov 1, 10:04 am)
Re: [LAT] To much latency, Rafael Vega, (Thu Nov 3, 12:33 pm)
Re: [LAT] To much latency, email.rafa@gmail.com, (Thu Dec 22, 2:50 pm)
Re: [LAT] rt kernel 2.6.39, Robin Gareus, (Sun May 29, 1:43 pm)
Re: [LAT] rt kernel 2.6.39, Emanuel Rumpf, (Sun May 29, 2:39 pm)
Re: [LAT] rt kernel 2.6.39, Robin Gareus, (Mon May 30, 3:52 pm)
Re: [LAT] Document on using Jack Apps, Daniel James, (Tue Aug 3, 6:48 pm)
Re: [LAT] [LAU] Are RT-patches needed anymore? (Was Re: &gt;..., Lars-Erik Helander, (Mon Feb 2, 8:53 am)
Re: [LAT] [LAU] Are RT-patches needed anymore? (Was Re: &gt;..., Fernando Lopez-Lezcano, (Mon Feb 2, 6:35 pm)