[LinuxBIOS] EHCI Debug Port on ICH4/ICH4-M chipset

[Marcin Juszkiewicz]

On http://linuxbios.org/EHCI_Debug_Port wiki page there is an info that 
Intel ICH4/ICH4-M chipset does not supports Debug Port. I have Dell D400 
laptop with that chipset and Debug Port is available according to lspci 
output:

22:47 hrw at maluch:~$ sudo lspci -ns $(lspci|grep EHCI|cut -f1 -d' ');sudo 
lspci -vs $(lspci|grep EHCI|cut -f1 -d' ')

00:1d.7 0c03: 8086:24cd (rev 01)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 
EHCI Controller (rev 01) (prog-if 20 [EHCI])
        Subsystem: Dell Latitude D400
        Flags: bus master, medium devsel, latency 0, IRQ 11
        Memory at faeffc00 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Debug port

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