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Seagate Backup Plus Slim External USB 3.0 2TB Hard Drive Review

Evergreen IEEE1394 Adapter Card

Evergreen IEEE1394 Adapter Card - PCSTATS
Abstract: Evergreen ships out their own feature packed Fire Wire (a.k.a. IEEE1394) adapter card to compliment their 20Gig HotDrive.
 85% Rating:   
Filed under: Peripherals Published:  Author: 
External Mfg. Website: Evergreen Jul 24 2000   Max Page  
Home > Reviews > Peripherals > Evergreen

Benchmarks

To test the card we compared it with the Advansys IEEE1394/PCI adapter card. While running benchmarks for data transfer on a device hooked up to each of these IEEE1394 adapter cards we were able to gauge how well they performed. Also, timed data transfer tests were performed with ~2.0GB files being transferred from an internal drive through the PCI cards to the test device, and  external hard drive.

Advansys Evergreen
Test Slot 2 Slot 1 Slot 1 Slot 3 Slot 2
Drive Index 5721 5420 2764 2678 2729
Min Disk Cache 8MB 8MB 8Mb 8Mb 8MB
Buffered Read 221Mb/s 357Mb/s 160Mb/s 160Mb/s 463MB/s
Sequential Read 6Mb/s 6Mb/s 2764Kb/s 2700Kb/s 2736Kb/s
Random Read 4Mb/s 4Mb/s 2347Kb/s 2176Kb/s 2308KB/s
Buffered Write 12Mb/s 13Mb/s 31Mb/s 152MB/s 32Mb/s
Sequential Write 5Mb/s 6Mb/s 3000Kb/s 2949Kb/s 2934Kb/s
Random Write 9Mb/s 7Mb/s 4Mb/s 4Mb/s 4066Kb/s
Avg. Access Time 4ms 4ms 4ms 6ms 4ms

The Drive Index rating for the Hot Drive while connected through the Advansys IEEE1394 card posted about twice as well as with the adapter card Evergreen ships. The value of 5700 lies way below the actual representation of this drive however.

Sandra benchmarks with the Evergreen IEEE1394 card posted lower values than with the Advansys Card, but both values were still substantially out of step with the actual performance of the Hot Drive.

The timed trials show that the Evergreen IEEE1394 adapter card performed slightly lower than that of the reference Advansys IEEE1394 card. A time of about 10.5min was the average for it to transfer the ~2.0Gb file. The reference card posted times a few minutes faster, but the Evergreen still performed slightly better than that of an internal drive to internal drive transfer.

IEEE1394 card Evergreen Advansys Internal
Test fujitsu-HotDrive Maxtor-HotDrive Maxtor-HotDrive Fuji-HotDrive Maxtor-Fujitsu
time 10min 11min 6min 9.5min 12min
Size 1.9Gb 1.9GB 1.9Gb 1.9GB 1.9GB
Rate 3.2Mb/s ~3Mb/s 5.2Mb/s 3.3Mb/s 2.6Mb/s

While the Evergreen IEEE1394 adapter card didn't quite fair as well as the reference system in Sandra, or in the timed trials, it still posted better values than the comparative internal drive to internal drive data transfer.

The Evergreen IEEE1394 PCI adapter card is based on a dual Texas Instruments chipset supporting 100Mbit/s, 200Mbit/s, and 400Mbit/s data transfer. One chip handles the 1394 OHCI and the other handles the dataflow through the cable ports. In comparison the reference IEEE1394 adapter card integrated all procedures into a single chip design.

Dual chip or single chip design, what is the difference?

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Contents of Article: Evergreen
 Pg 1.  Evergreen IEEE1394 Adapter Card
 Pg 2.  Appearance of the Card
 Pg 3.  — Benchmarks
 Pg 4.  Chipset Technical Specs
 Pg 5.  Final thoughts...

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