Re: Changing SATA/IDE to SATA/AHCI in BIOS
- From: "Anna" <myname@xxxxxxxxx>
- Date: Mon, 22 Dec 2008 08:34:25 -0500
"Thomas Wendell" <tumppiw_nospam@xxxxxxxxxxx> wrote in message
news:OBCIEOAZJHA.6108@xxxxxxxxxxxxxxxxxxxxxxx
My computer is a MSI K9A2 CF-F ver. 1.0 m/b (BIOS F2), AMD 8650 cpu, 2*2GB
memory
500GB+640GB (Samsung HD501LJ + WDC WD6400AAKS SATA-HDs) on SATA controller
LiteOn SOHW-1693S DVD+/-RW DL, TDK CDRW321040B CD-RW on PATA controller
OS: Windows XPhome (SP3 and all fixes
When I installed XP, I set SATA mode to IDE in BIOS (options are IDE and
RAID). Nowhere anything like legacy mode or AHCI
As it is now, I suppose I can't use an external SATA disk (eSATA
connection by cable from one of the four SATA connectors to backplane) as
IDE mode doesn't support hotplugging like USB? But I'd like to use a eSATA
connection for my 1TB EHD, as the casing for it has both eSATA and USB,
and eSATA would be faster....
Would changing SATA mode to RAID give me AHCI funktions like NCQ and
HotSwap? Or is just RAID, which I don't need or want?
(I know I have to install the needed drivers (RAID??) from the m/b CD
before making the BIOS change. How to install driver for non-existent
hardware?)
Hope somebody understands my ramblings....
--
Thomas Wendell
Helsinki, Finland
Translations to/from FI not always accurate
Thomas:
There really shouldn't be any problem with that MSI motherboard re using an
external SATA HDD with eSATA connectivity. Since that motherboard does not
contain an eSATA port, I assume you will be using an eSATA adapter affixed
to the backplane of your desktop computer case. Many, if not most, of the
external enclosures designed for eSATA connectivity include such an adapter
and, as I'm sure you know, that adapter device is easily affixed to the
backplane. The SATA data cable attached to the adapter will be simply
connected to one of your motherboard's SATA connectors.
Thus, you should have no problem achieving eSATA capability, including the
"hot-plugging" and "hot swappable" capabilities through that configuration.
There should be no further need to change any BIOS settings, nor install any
add'l drivers.
Just one thing further...
Most likely if you power-on the external SATA HDD *following* bootup, the
system will recognize that device without any problem. However, certain
chipsets do not provide that capability and the external HDD would not be
listed in the "Disk drives" section of Device Manager. (There's no problem
if the external SATA HDD is powered-on & connected at the time of bootup).
Anyway, if this non-recognition situation does occur all you need do is
right-click on "Disk drives" in DM and then click on the "Scan for hardware
changes" menu item. The likelihood is that the external SATA drive *will* be
detected by the system regardless of whether it's powered-on & connected
before or after bootup, but I wanted to bring this to your attention.
I'm sure you will be delighted with having the capability of an external HDD
having SATA-to-SATA connectivity. Its performance (in terms of data transfer
ability) is substantially superior to that of a USB external HDD. And
there's an added capability in that the system treats the external SATA HDD
as a *bootable* device. Thus, if you routinely use a disk-cloning program
for comprehensive backup purposes, you will have another bootable HDD at
your disposal.
Anna
Anna
.
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