Lenovo 45K1610 USB Docking Station. Can it run DD-WRT?

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ofrxnz
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PostPosted: Tue Apr 24, 2012 1:51    Post subject: Lenovo 45K1610 USB Docking Station. Can it run DD-WRT? Reply with quote
So, I had this port replicator the caused more Blue Screens than a care to remember. So, I finally decided to trash it.
Newegg page for the replicator
http://www.newegg.com/Product/Product.aspx?Item=N82E16834994235


Turns out It has a Dual-Core Arm CPU........I was quite shocked actually.
CPU data sheet
http://www.datasheetarchive.com/spear-09-p022-datasheet.html

I've linked a photo with all of the chip numbers....though, the SGI chip was really hard to read and may be wrong.
Photo
http://i.imgur.com/rWGoy.jpg

It looks like it may have a serial connection (J1) and a JTAG connector (J2)

Any thoughts on where or how to start trying to get DDWRT on it?

Hopefully it will be moderately difficult and a good project.
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LOM
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Posts: 7647

PostPosted: Tue Apr 24, 2012 11:48    Post subject: Reply with quote
Why would you put dd-wrt onto it?

dd-wrt is router firmware, routing between WAN/LAN/WLAN and I can only see one ethernet port and no wifi on the unit so there is nothing to route between as I see it.

The only hardware in the box that is supported by dd-wrt is the RT8201 ethernet phy.
The video gpu, the ST ARM cpu, and the NEC USB controllers are not.

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ofrxnz
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Joined: 09 Jan 2012
Posts: 17

PostPosted: Tue Apr 24, 2012 12:07    Post subject: Reply with quote
I know its a little non-conformist but I was hoping to use it as a file server (all those USB ports). I also thought DD-WRT would be a good place to start since you guys are ninjas when it comes beating hardware into submission.

I was pretty sure the Linux sub-system could handle that even if it wasn't used as router.....
I could be wrong since so many of the defaults in DD-WRT are for routing....

More importantly I thought it would be fun and worth asking. I actually expected an FPGA in the thing and not an Arm....

Well, thanks for the hardware support info. It was worth a shot.

Also, I thought I posted this under ARM/PPC....Did it get moved to x86 or did I make a mistake?
Sash
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PostPosted: Wed Apr 25, 2012 9:25    Post subject: Reply with quote
do
http://www.dd-wrt.com/site/support/router-detection

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ofrxnz
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PostPosted: Wed Apr 25, 2012 23:18    Post subject: Reply with quote
So, I finally think i figured out the memory chip.

Micron's website, the D9JLR chip is also known as MT47H32M16HR-3:F
That makes it a 512MB chip ( I find that very surprising)
Memory Data sheet
http://download.micron.com/pdf/datasheets/dram/ddr2/512MbDDR2.pdf

the CPU is a duel core ARM926EJ-S @333Mhz
http://www.ic-on-line.cn/view_download.php?id=1425292&file=0184\spear-09-p022_4391286.pdf

The Ethernet chip RTL8201CP
http://approsoftware.com/download/rtl8186/doc/spec-8201cp(121).pdf

The USB HUB Controllers NEC UPD720114 (there are two of these)
http://pdf1.alldatasheet.com/datasheet-pdf/view/110106/NEC/UPD720114.html

And the graphics chip (which would be awesome to get running but I dont really care)
I cant find the spicific data sheet but here is the family overview
http://www.siliconimage.com/products/product.aspx?pid=6

A photo of the board is in my first post.

Ill play around with what i think is a serial connection see if it has anything on it.

I dont have a JTAG setup so, I may need to get one
Sash
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PostPosted: Thu Apr 26, 2012 7:00    Post subject: Reply with quote
serial log?
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ofrxnz
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PostPosted: Thu Apr 26, 2012 22:45    Post subject: Reply with quote
Well, using my "home made" nokia USB to 3.3v ttl cable I connected to JP1

It didn't return anything, not a single character of gibberish. I had it on putty's default com settings. I didn't try any others because I assumed even if it was wrong it would spit out trash.

It makes me think its ARM's SWD header. (proprietary debug interface)

Im pretty sure JP3 is the 2x10 ARM JTAG port.

Any idea what JP2 (2x5) is? or any ideas on how to proceed with JP1 (1x2)?
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