Boot device priority

petejigsaw

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[FONT=&quot]I have a new PC running the Asus P7P55D-E motherboard, into which I have put a Crucial C300 64GB SSD as the boot/OS/apps drive.

The SSD is connected to one of the SATA3 6GB ports on the mobo and is running using the Windows 7 native drivers rather than Marvell storage controller drivers.

All is well and the PC boots and runs fine. However, when I connect additional HDDs to the SATA2 ports the system refuses to boot. Checking the BIOS reveals that as soon as additional HDDs are connected, the 'boot device priority' gets changed from the previous set-up of:[/FONT]

  1. [FONT=&quot]DVD Drive[/FONT]
  2. [FONT=&quot]SDD[/FONT]
  3. [FONT=&quot]Removable Device[/FONT]
[FONT=&quot]to:[/FONT]

  1. [FONT=&quot]DVD Drive[/FONT]
  2. [FONT=&quot]1st HDD[/FONT]
  3. [FONT=&quot]Removable Device[/FONT]
[FONT=&quot]In other words, the SSD is removed from the boot device priority list rendering the machine useless. The BIOS doesn't allow me the option to configure it back again (the SSD isn't shown as an option).

Is there an issue with such a configuration, or a way around this so as to make sure that the boot device list remains unaltered when additional HDDs are connected?

I need to use the SATA3 port to maximise the C300s read speeds so don't want to have to concede it to a SATA2 port just to get the system running!

All SATA devices are set to AHCI mode, the Marvell Controller is set as enabled and the SATA3 port is enabled at 6GB/s.

Any ideas on what's going on? [/FONT][FONT=&quot][/FONT]
 

My Computer

OS
Win 7 64-bit
Reset the BIOS to boot to the SSD when the other drives are connected. It should then remain that way.

Are these other drives removable (eSATA)?
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Built
OS
Windows 10 Pro x64, Windows 8.1 Pro x64, Windows 7 Ultimate x64 SP1,
CPU
INTEL i9-7920X LGA 2066
Motherboard
Gigabyte X299-WU8 F3
Memory
64 GB (4 X 16 GB) G-Skill V Series DDR4 3200 Quad Channel
Graphics Card(s)
EVGA GTX 1060 SC 3 GB
Sound Card
Realtek Onboard ALC1220
Monitor(s) Displays
2 x Samsung S27E310
Screen Resolution
1920x1080
Hard Drives
Samsung 2 x 970 EVO Plus 500 GB NVMe
1 x 6TB WD 6003FZBX SATA
1 x 6TB WD 60EFRX SATA
12 x 3TB WD 30EFRX SATA
PSU
Seasonic X-1050
Case
Thermaltake Armor+
Cooling
Corsair H80i V2 Liquid AOI Cooler
Keyboard
Logitech G510s
Mouse
Logitech MX Master 2S
Internet Speed
200 Mb/s
Antivirus
ESET NOD32 13.1
Browser
EDGE (Dev, Canary, Beta), Chrome
Other Info
ASUS RT-AC68U router
Malwarebytes 4.0.4
if you look in the bios under the boot tab, when you connect more than one HDD there will be an option to select which HD you want to boot first

its underneath the "boot device priority" option (see image)

set it to your SSD instead of the new HD



edit: also, it reads my 4gb thumb drive as a HDD, not a 'removable device' so in order for me to boot from that i have to go in there and change that setting everytime (thats how i know ;)) been doing waaaayy to much memtest recently :( .... i should really burn it to a disc, lol
 

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My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
My First Build
OS
Windows 7 64-bit Home
CPU
Intel Core i7-870 Lynnfield 2.93 Ghz
Motherboard
Asus P7P55D-E Pro
Memory
8GB 4x2 A-Data 1333 Mhz
Graphics Card(s)
HIS Radeon HD 5850 1GB
Sound Card
Onboard
Monitor(s) Displays
Dell S2440L 24"
Screen Resolution
1080p
Hard Drives
120 GB Intel X25-M SATA Solid State Drive ///
1 TB Western Digital Caviar Black SATA 6gb/s 7200rpm Drive
PSU
Corsair 650TX 650 Watt
Case
Antec Three Hundred
Cooling
Stock Intel /// 4 Antec Case Fans /// NZXT Sentry-2
Keyboard
Logitech LX 710
Mouse
Logitech LX 710
Other Info
LG Blu-Ray Drive
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