Re: Freescale iMX53 Quick Start board
On Wed, Aug 10, 2011 at 12:03 PM, Tim Small <tim@buttersideup.com> wrote:
> On 09/08/11 16:46, Luke Kenneth Casson Leighton wrote:
>> single-lane PCI-e is still only gigabit
>>
>
>
> AFAIK, single-lane "1st generation" PCIe is 2.5 gigabit, and "2nd
> generation" is 5 gigabit. Also significant is the max-payload-size
> capabilities of either end of the link (lspci -vv). A lot of consumer
> stuff tends to be 128byte only, which adds overhead...
http://en.wikipedia.org/wiki/PCI_Express#PCI_Express_1.0a
dang. then i'm glad i raised this - thanks tim. i was always under
the impression it was 1gbits.
SATA-II 3gbits/sec isn't that far off of 2.5.
well, that just leaves power usage as a concern.
l.
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