[Arm-netbook] SATA - ATAS
luke.leighton at gmail.com
Mon Sep 9 08:38:49 BST 2013
On Sun, Sep 8, 2013 at 11:30 PM, joem <joem at martindale-electric.co.uk> wrote:
> On Sun, Sep 8, 2013 at 9:08 PM, joem <joem at martindale-electric.co.uk> wrote:
>> Looks like a mirror image problem.
>> Pin 7 is the notch end of the sata connector.
>> EOMA SATA MEB
>> TXP 63 2 6
>> TXM 64 3 5
>> RXP 67 6 2
>> RXM 68 5 3
> _maybe_. if you .... ah you've got the wrong pinout numbers, joe, for EOMA68.
> from http://elinux.org/Embedded_Open_Modular_Architecture/EOMA-68#Table_of_EOMA-68_pinouts
> * 32 SATA-III Transmit (A+) * 66 SATA-III Transmit (A−)
> * 33 GROUND * 67 GROUND
> * 34 SATA-III Receive (B+) * 68 SATA-III Receive (B−)
> ok so apart from that, remember that Tx has to be connected to Rx, and Rx to Tx.
> so it's:
> MEB E68
> TXP/A+ 2 32
> TXM/A- 3 66
> RXM/B- 5 68
> RXP/B+ 6 34
> that's according to the PDF, which is correct.
> So confusing - I'm going by the 'other diagram' and forgot about
> official EOMA diagram.
> now let's look at the connector, which is Molex P/N CD2108-73456
> holding the board so that the connectors are all facing directly
> upwards into the air (vertically) with the PCB in front of your face,
> pin 1 of SATA is on the *RIGHT*, and you should see a diagonal cut on
> the connector. if you then tip it towards you there is a right-angle
> tab nearest that pin.
> (yes this DIRECTLY conflicts with
> remember we're doing "motherboard" connector so yes the MEB should be
> like this motherboard internal connector *NOT* wired like hard drive
> This is so confusing.
> There can only be one crossover in the entire system.
> The SATA cables are straight, the CPU cables are straight (in cubieboard), in which
> case the hdd board has it internally crossed in a typical set up, which means the EOMA and MEB should not cross
> the TX and RX.
> Anyway, good news is Chris has it working. If anyone has a uSD image for testing they can share, then I can do tests as well.
take the image from the link "a10boot", overlay the files from the
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