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iBook G3 annoyances


I got Linux running on my iBook G3/600. Runs very fine, but i've two
question about it.

First: some daemon (i guess pbbuttonsd or powernowd) always sets the CPU
freq back to 400Mhz even when running from AC power. This is quite
annoying, since there are some "hickups" in the running of the machine,
(eg: clicks in the sound) when switching between 400Mhz and 600Mhz. I can
live with these when running from battery, but it's annoying when i need
performance, and plug the machine to use AC power.

Is there an easy (automated) way to disable freq switching and run at
600Mhz when running from AC power?

Second: the driver of the airport card seems to be quite limited, and not
supports raw monitoring(?) for now, which effectively disables all kinds
of wardriving/sniffing etc tools to be used on this machine under Linux.
If i get it well, according to the dmesg output, this driver was done by
Ben Herrenschmidt. Is there a chance to support the raw mode on this card
sometime soon?

I'd be happy to volunteer if some test environment is needed...

Kernel displays the following info about the card:

orinoco 0.15rc3 (David Gibson <hermes@gibson.dropbear.id.au>, Pavel
Roskin <proski@gnu.org>, et al)
airport 0.15rc3 (Benjamin Herrenschmidt
airport: Physical address 80030000
eth1: Hardware identity 0005:0001:0001:0000
eth1: Station identity  001f:0001:0008:0046
eth1: Firmware determined as Lucent/Agere 8.70
eth1: Ad-hoc demo mode supported
eth1: IEEE standard IBSS ad-hoc mode supported
eth1: WEP supported, 104-bit key
eth1: MAC address 00:30:65:11:ED:FB
eth1: Station name "HERMES I"
eth1: ready
airport: Card registered for interface eth1

lshw output:

       description: Wireless interface
       physical id: 1
       logical name: eth1
       serial: 00:30:65:11:ed:fb
       capabilities: ethernet physical wireless
       configuration: broadcast=yes driver=orinoco driverversion=0.15rc3
firmware=Lucent/Agere 8.70 link=no multicast=yes wireless=IEEE 802.11b


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