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  • Overall Rating: 5
  • Price: 5
  • Quality: 5
  • Ease Of Use: 5
  • Usefulness: 5
Works fine in Linux, fast, no extra drivers needed – 1-Port eSATA ExpressCard/34mm Expansion Card for Laptops (3Gbps) Reviews

posted by tillos on 07/09/2010 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:less than 1 day

Pros:
It is plug and play for Ubuntu (actually any Linux distribution should work). I did not need the CD.
I get consistently over 70MB/s for my external disk while connecting to USB2.0 would achieve up to 25MB/s (variable, depends on CPU load and size of files).
lspci reports:
sudo lspci -vvv -nn -s 14:00.0
14:00.0 SATA controller [0106]: JMicron Technology Corp. JMB360 AHCI Controller [197b:2360] (rev 02) (prog-if 01)
Subsystem: JMicron Technology Corp. JMB360 AHCI Controller [197b:2360]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 19
Region 0: I/O ports at 9000 [size=8]
Region 1: I/O ports at 8000 [size=4]
Region 2: I/O ports at 7000 [size=8]
Region 3: I/O ports at 6000 [size=4]
Region 4: I/O ports at 5000 [size=16]
Region 5: Memory at fc000000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [68] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [50] Express (v1) Legacy Endpoint, MSI 01
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- TransPend-
LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s, Latency L0 <1us, L1 <16us
ClockPM- Suprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
Kernel driver in use: ahci
Kernel modules: ahci
hdparm reports:
hdparm -T -t /dev/sdb
/dev/sdb:
Timing cached reads: 3314 MB in 2.00 seconds = 1658.28 MB/sec
Timing buffered disk reads: 222 MB in 3.00 seconds = 74.00 MB/sec
Cons:
I did not find any.
I'll write in the comments if it breaks down too soon.
Other:
I am using this with http://www.dealextreme.com/details.dx/sku.9288 which is a SATA to eSata cable.
I provide power to the disk with a special SATA adapter.
I should get an eSata to eSata cable so that I can connect it with my new eSata enclosure. Now it's laying on my desk. Such a cable is http://www.dealextreme.com/details.dx/sku.29358
Bottomline:
It is worth to invest in eSata for your external storage. USB 2.0 is not fast enough, and the throughput highly depends on the size of files, and the CPU load.
I wish the packaging mentioned that it supports Linux.

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