Need Power Switch For Mini Pci Slot. Suggestions?

[gooberpea33]

Alright I've got an R52 with a whitelist for wireless cards. I've tried the bios modifications and come up empty handed. I've found out that if I insert the card right before windows boots, and right after the whitelist check, everything works great!! SO, I've come to the conclusion that I need to be able to turn my mini pci slot off, and then right before windows boots, switch it on. I have a pinout for the mini pci, but don't know where to start. Should I turn off all grounds? Is it safe to do that with one switch?? Is there a pin that I could turn off just to make it look like the card is not plugged in? any help is greatly appreciated. Also if anyone wants to take a crack at fixing my bios, that would be cool.

[gooberpea33]

I find that disconnecting pin 25 aka PCI Clock causes the bios to not see the card. First of all, is this safe? second of all, how long can the wire for the switch be? I willput a manual switch on this and switch it on right before windows starts, if this is an option.

[gooberpea33]

It seems that the PCI Specs do not allow PCI Clock to be more than 25.4 mm ±2.5 mm. Which puts that completely out of the question. So a little more testing, and I come up with PCI Bus Grant aka pin 30 GNT#
It disables the mini pci card, and I am unable to find and info on it regarding length specs. So I will continue to do research and see what I can find, If I find nothing, this may be the one to switch. But I am not looking to produce any interference on the pci bus or with the wireless card, so if this is an issue, please, I will accept any suggestions. Thanks!!

[rkawakami]

Just so everyone is on the same page:

http://www.interfacebus.com/MiniPCI_Pinout_124Pin.html
http://members.datafast.net.au/dft0802/specs/mpci10.pdf

[gooberpea33]

Thank You

[rkawakami]

How about the DEVSEL# signal (pin 72)?

edit: Umm... never mind. It appears that signal needs to be controlled very closely in time with respect to other signals.

ref: http://www.techfest.com/hardware/bus/pci.htm
ref: http://people.na.infn.it/~garufi/didatt ... on.3.0.pdf

[gooberpea33]

This project may turn out to be unnecessary, as I have recieved a Pm from Zender that contains a Bios which should fix my issue and make this alot easier. Only problem is I don't know wheather it's for the 1849 or not. Is there a way to check and see what machine the bios is for? I am very anxious to try this and would rather brick my machine using the right bios, than the wrong one.

[rkawakami]

You could try opening the binary file with a hex editor such as XVI32 and poke around and see if you can extract some readable strings out of the first couple of lines.

[gooberpea33]

Zender hooked me up, got a bios that don't have the whitelist check!!