Toshiba L305D S5900
3GB RAM
Vista
WD2500BEVS HDD ATA 5400 RPM(I'm thinking it's black not blue if it goes by the ink color of the words on it)
Thanks in advance
Regards
BT
Edited by bigtrucks, 16 June 2013 - 01:45 PM.
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Edited by bigtrucks, 16 June 2013 - 01:45 PM.
SATA 1.5 Gbit/s and SATA 3 Gbit/
The designers of SATA aimed for backward and forward compatibility with future revisions of the SATA standard.[citation needed] To prevent interoperability problems that could occur when next generation SATA drives are installed on motherboards with legacy standard SATA 1.5 Gbit/s motherboard host controllers, many manufacturers have made it easy to switch those newer drives to the previous standard's mode. For example, Seagate/Maxtor has added a user-accessible jumper-switch, known as the Force 150, to enable the drive switch between forced 1.5 Gbit/s and 1.5/3 Gbit/s negotiated operation. Western Digital uses a jumper setting called OPT1 Enabled to force 1.5 Gbit/s data transfer speed (OPT1 is enabled by putting the jumper on pins 5 & 6). Samsung drives can be forced to 1.5 Gbit/s mode using software that may be downloaded from the manufacturer's website. Upgrading some Samsung drives in this manner requires the temporary use of a SATA-2 (SATA 3.0 Gbit/s) controller while programming the drive.
The Force 150 switch (or equivalent) is also useful for attaching SATA 300 hard drives to SATA controllers on PCI cards, since many of these controllers (such as the Silicon Images chips) run at SATA300, even though the PCI bus cannot reach SATA150 speeds. This can cause data corruption in operating systems that do not specifically test for this condition and limit the disk transfer speed.
Please note that while the newer devices are backwards compatible;
The designers of SATA aimed for backward and forward compatibility;
they have a jumper switch that needs to be moved first
Correct but a little better explanation for you may help, I will not overdo it though, SATA HDDs and SSDs are available as SATA, SATA11 and SATA111, most if not all SATA111 will automatically adjust there speed to SATA11 if they are connected to a SATA11 MB (motherboard) whereas SATA11 and SATA111 devices have a jumper switch (cap) that can be moved onto adjacent pins so that the device works at the 150 (1.5) rate that is compatible with the MB/computer.You mean they are compatible with older devices?
Data transfer rate etc.What is it that goes forward and backwards?
Edited by bigtrucks, 18 June 2013 - 05:54 PM.
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