ATA activity LED

[jason]

Andre Guibert de Bruet wrote:

>On Wed, 14 Jan 2004, rihad wrote:
>
>  
>
>>Andre Guibert de Bruet wrote:
>>
>>    
>>
>>>On Wed, 14 Jan 2004, rihad wrote:
>>>
>>>      
>>>
>>>>Why is the disk activity LED always on in 5-C? Various Linuxes and XP
>>>>don't exhibit this behaviour.
>>>>        
>>>>
>>>Care to share what type of ATA controller(s) your system has?
>>>      
>>>
>>$ dmesg | grep -e ^ata -e ^ad -e ^acd
>>atapci0: <Intel ICH2 UDMA100 controller> port 0xfc00-0xfc0f at device
>>31.1 on pci0
>>ata0: at 0x1f0 irq 14 on atapci0
>>ata0: [MPSAFE]
>>ata1: at 0x170 irq 15 on atapci0
>>ata1: [MPSAFE]
>>ad0: 29325MB <Maxtor 6E030L0> [59582/16/63] at ata0-master UDMA100
>>acd0: DVDROM <LITEON DVD-ROM LTD-165H> at ata0-slave PIO4
>>    
>>
>
>What does the output of 'vmstat -i |grep ata' look like?
>
>  
>
>>Andre Guibert de Bruet | Enterprise Software Consultant >
>>Silicon Landmark, LLC. | http://siliconlandmark.com/    >
>>    
>>
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>
There is a problem here.  1st there should not be a pio4 and dma100 on 
the same cable, the pio4 mode is on only there because it is not 
working, the spec say no mode mixing like this.  Try the cdrom on the 
second ide able, it should be atleast UDMA33, I have a liteon so I know 
it should be at least this fast.  You may have the drive jumpers set to 
2 masters or something?  Any way having the drives on there own cables 
is much faster anyway.