I'll check this on Monday and post the results.

Am Mittwoch, 24. Dezember 2014 15:37:26 UTC+1 schrieb arete74:
>
> hi, you can report the speed transfer with sata pm?
>
> regards
>
> 2014-12-23 22:03 GMT+01:00 <[email protected] <javascript:>>:
>
>> The A20 supports PMP, just remove the Flag AHCI_HFLAG_NO_PMP in the sunxi 
>> ahci driver. 
>> Please take a look in the Manual of the A20 (6.15.1). The SATA interface 
>> has the following specification:
>> Comply with SATA Spec. 2.6, and AHCI Revision 1.3 specifications
>>
>> This includes the PMP support.
>>
>> We are using a Marvel PMP and it works fine - both disks are detected and 
>> work.
>>
>> Regards
>>
>> Tobias
>>
>> Am Dienstag, 23. Dezember 2014 11:55:58 UTC+1 schrieb bruce bushby:
>>
>>>
>>>
>>> Any progress on this? I found this thread:
>>> http://forum.lemaker.org/thread-9207-1-1-.html
>>>
>>> Which states:
>>> "....the patch seems to work with the latest 3.18 kernel from Torvalds' 
>>> git (3.18.0.-rc5) possibly with some earlier versions..."
>>>
>>>
>>>    1. [    1.735879] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 
>>>    300)
>>>    2. [    1.742372] ata1.15: Port Multiplier 1.2, 0x197b:0x0325 r0, 5 
>>>    ports, feat 0x5/0xf
>>>
>>>
>>>
>>> But apparently it's very slow ...although no figures given. Guess there 
>>> is also the fear of data corruption given the lack of uptake/testing of 
>>> AllWinner PMP
>>>
>>>
>>> Bruce
>>>
>>>
>>>
>>>
>>>
>>> On Monday, 5 May 2014 22:22:48 UTC+1, hase nase wrote:
>>>>
>>>> Hi,
>>>>
>>>> is it possible to use an sata multiplier with a A20 ? I tried it on a 
>>>> cubieboard, but i only got access to sda and no other connected drive
>>>>
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