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66Mhz Firewire controller
- Thread starter darkamage
- Start date
I
Ice Czar
Guest
any PCI 2.1 compliant card
PCI 2.1 32-bit 66MHz 266 MB/sec
http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=firewire+PCI+2.1
PCI 2.1 32-bit 66MHz 266 MB/sec
http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=firewire+PCI+2.1
I
Ice Czar
Guest
hmmmm....
seems its not that simple
http://www.ussg.iu.edu/hypermail/linux/kernel/9712.3/0482.html
"PCI 2.1 maximum clock speed is 33MHz. 66MHz capability is an
extension, making 66MHz PCI a different spec. I quote from the PCI Local Bus
Specification, Chapter 7 -- 66MHz PCI Specification:
"The 66MHz PCI bus is a compatible superset of PCI designed to
operate up to a maximum clock speed of 66 MHz."
If a card does not pull up the M66EN signal, then it is an error for the
motherboard to clock it at anything greater then 33MHz, and a card can
depend on this."
let me do some more research
Ive never owned a 32\66
seems its not that simple
http://www.ussg.iu.edu/hypermail/linux/kernel/9712.3/0482.html
"PCI 2.1 maximum clock speed is 33MHz. 66MHz capability is an
extension, making 66MHz PCI a different spec. I quote from the PCI Local Bus
Specification, Chapter 7 -- 66MHz PCI Specification:
"The 66MHz PCI bus is a compatible superset of PCI designed to
operate up to a maximum clock speed of 66 MHz."
If a card does not pull up the M66EN signal, then it is an error for the
motherboard to clock it at anything greater then 33MHz, and a card can
depend on this."
let me do some more research
Ive never owned a 32\66
what mobo do you have that has pci that is 32bit and 66mhz ? i have never seen one...
Now if you have a 66Mhz 64bit pci slot 3.3v A.K.A. pci-x you can pickup a firewire card from fwdepot.com
Now if you have a 66Mhz 64bit pci slot 3.3v A.K.A. pci-x you can pickup a firewire card from fwdepot.com
I have a Gygabyte MPX mobo with 64bit 66Mhz slots. I already have a 64bit 66Mhz card in one of the so I want a 66Mhz card so the bus doesn't step down to 33Mhz speed. I've seen some 64 bit cards like you pointed out (mostly fw800) but the prices seems rather steep since I only need fw400.
Thanks for the pointer though!