Using a WD My Book 500Gb (3 weeks old) with a USB/2 Firewire and eSATA port.
Gigabyte GA-G31-E2SL motherboard. I am connecting my having a eSATA backplate on the case conencted to the motherboard, then to the external drive.
The drive was working well.
Then I noting that Windows XP restart was slowed down by a minute with a blank screen between the loading windows screen and the loading user preferences screen - when connected to the eSATA. When connected to the USB, no delay. The WD Diagnostic tool says the dives fail the SMART test and that there is no SMART data, but only when connected to the eSATA. When on the USB, its is OK, has SMART data and passes.
Writing/Reading to the drive is extremely slow now.
A HD Tune on the drive with eSATA connected to it.
HD Tune: WD My Book Benchmark
Transfer Rate Minimum : 2.7 MB/sec
Transfer Rate Maximum : 3.0 MB/sec
Transfer Rate Average : 2.9 MB/sec
Access Time : 16.5 ms
Burst Rate : 2.7 MB/sec
CPU Usage : 48.3%
I took this to a local repair shop, the only one with a esata connector on their premises, and they made small effort to test it, but didn't test transfer speeds. His said the drive was not even seen on his computer with his cable. Seemed odd, but he believed the SATA controller went bad as I took it to them. The cable end seemed flimsy with some movement. But the drive did not move from its place at all last couple of days.
But back at my comp, things have changed now.
HD Tune: WD My Book Benchmark
Transfer Rate Minimum : 37.3 MB/sec
Transfer Rate Maximum : 78.3 MB/sec
Transfer Rate Average : 61.0 MB/sec
Access Time : 14.5 ms
Burst Rate : 61.9 MB/sec
CPU Usage : 3.3%
Is this a cable issue after all? Or an eSTATA controller on the drive that is going bad? And that he didn't do something right when testing his own cable?
Gigabyte GA-G31-E2SL motherboard. I am connecting my having a eSATA backplate on the case conencted to the motherboard, then to the external drive.
The drive was working well.
Then I noting that Windows XP restart was slowed down by a minute with a blank screen between the loading windows screen and the loading user preferences screen - when connected to the eSATA. When connected to the USB, no delay. The WD Diagnostic tool says the dives fail the SMART test and that there is no SMART data, but only when connected to the eSATA. When on the USB, its is OK, has SMART data and passes.
Writing/Reading to the drive is extremely slow now.
A HD Tune on the drive with eSATA connected to it.
HD Tune: WD My Book Benchmark
Transfer Rate Minimum : 2.7 MB/sec
Transfer Rate Maximum : 3.0 MB/sec
Transfer Rate Average : 2.9 MB/sec
Access Time : 16.5 ms
Burst Rate : 2.7 MB/sec
CPU Usage : 48.3%
I took this to a local repair shop, the only one with a esata connector on their premises, and they made small effort to test it, but didn't test transfer speeds. His said the drive was not even seen on his computer with his cable. Seemed odd, but he believed the SATA controller went bad as I took it to them. The cable end seemed flimsy with some movement. But the drive did not move from its place at all last couple of days.
But back at my comp, things have changed now.
HD Tune: WD My Book Benchmark
Transfer Rate Minimum : 37.3 MB/sec
Transfer Rate Maximum : 78.3 MB/sec
Transfer Rate Average : 61.0 MB/sec
Access Time : 14.5 ms
Burst Rate : 61.9 MB/sec
CPU Usage : 3.3%
Is this a cable issue after all? Or an eSTATA controller on the drive that is going bad? And that he didn't do something right when testing his own cable?
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