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Seagate Expansion Drive 2TB is not detected!


Creative3DMM

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It's "queer" :unsure:

I mean the demented guys at Seagate do not provide actual specifications in what they call "data sheet":

http://www.seagate.com/external-hard-drives/desktop-hard-drives/expansion-hard-drive/?sku=STBV2000100#specs

http://www.seagate.com/www-content/product-content/expansion-fam/expansion-external/en-us/docs/expansion-desktop-ds1763-4-1306us.pdf

but they do state compatibility with XP SP3 (which AFAIK does not "accept" native 4Kb sectored disks as well).

I have the same problem. I still have not found any specific information on these Drives.
Windows XP does not support 4KB Logical Sectors on IDE and SATA Hard Drives as stated in those links, but it does support 4KB Logical Sectors on USB Drives. It had no problem recognizing my 4TB Seagate Backup Plus Drive.

The only thought I have is that *somehow* those drives have a form of AF or 512E setting (possibly Seagate proprietary) that has not been set when the disk was partitioned or that they can use "special" drivers under XP, i.e. it uses a procedure similar to the one to have BIGGER than 2 Tb disks in Windows XP:

http://www.seagate.com/support/downloads/beyond-2tb/

But I don't know. :w00t::blushing:

jaclaz

Those "special" XP Drivers are available for some SATA Drives.
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Windows XP does not support 4KB Logical Sectors on IDE and SATA Hard Drives as stated in those links, but it does support 4KB Logical Sectors on USB Drives. It had no problem recognizing my 4TB Seagate Backup Plus Drive.

Good :), than that part is settled :thumbup: and explains nicely why that drive is given as compatible with XP and 7 notwithstanding the fact that (evidently) it is a 4Kb "native" drive.

It seems like in the STBV3000100 drive there is inside a ST3000DM001, see:

http://www.tomshardware.co.uk/answers/id-1711967/hard-disk-seagate-expansion-3tb-usb-hard-drive.html

so, it would be "only too logical" (but logic rarely applies to Seagate ;)) that inside the STBV2000100 there is a ST2000DM001, and BOTH are 4K native:

http://hardforum.com/showthread.php?t=1769589

Screen%20Shot%202011-11-01%20at%201.20.2

jaclaz

Edited by jaclaz
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Windows XP does not support 4KB Logical Sectors on IDE and SATA Hard Drives as stated in those links, but it does support 4KB Logical Sectors on USB Drives. It had no problem recognizing my 4TB Seagate Backup Plus Drive.

Good :), than that part is settled :thumbup: and explains nicely why that drive is given as compatible with XP and 7 notwithstanding the fact that (evidently) it is a 4Kb "native" drive.

It seems like in the STBV3000100 drive there is inside a ST3000DM001, see:

http://www.tomshardware.co.uk/answers/id-1711967/hard-disk-seagate-expansion-3tb-usb-hard-drive.html

so, it would be "only too logical" (but logic rarely applies to Seagate ;)) that inside the STBV2000100 there is a ST2000DM001, and BOTH are 4K native:

http://hardforum.com/showthread.php?t=1769589

Screen%20Shot%202011-11-01%20at%201.20.2

jaclazSo far every bare Drive I have ever seen is either 512 or 512E, including the 3TB Seagate Go-Flex that I removed from it's enclosure.

I have two >2TB USB Hard Drives from Seagate. a Go-Flex 3TB USB 2 and a Backup Plus 4TB USB 3. Both use separate USB Bridge Modules so that interfaces can be swapped easily.

It is possible to plug various Drives into the Modules.

Both of them switch Modes according to the size of the attached Hard Drive. Below 2Tib they report 512 Byte Sectors, above 2TiB they report 4KB Logical Sectors.

My Backup Plus Drive is in the SRD05D0 Series, not SRD00F2, but I would have assumed that Seagates USB Bridges would continue to support Mode Switching.

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What do you guys want me to do first? I want to fix this badly!

There is nothing to "fix". :w00t:

As MS would put it ;), this is by design. :ph34r:

You have two possible workarounds:

  1. get the RLoew's Patches and "update" your Windows 98 System
  2. buy another USB disk, decently sized, like 320 Gb or 500 Gb MAKING SURE that it is 512 bytes/sector and live happily with it.

After all your original plan was to use just 100 Gb of that 2 Tb disk with Windows 98, right? :unsure:

jaclaz

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What do you guys want me to do first? I want to fix this badly!

There is nothing to "fix". :w00t:

As MS would put it ;), this is by design. :ph34r:

You have two possible workarounds:

  1. get the RLoew's Patches and "update" your Windows 98 System
  2. buy another USB disk, decently sized, like 320 Gb or 500 Gb MAKING SURE that it is 512 bytes/sector and live happily with it.

After all your original plan was to use just 100 Gb of that 2 Tb disk with Windows 98, right? :unsure:

jaclaz

Well, i can try RLoew's patches or buy a 500 GB external HDD.

Oh, thanks for the help all. :)

Edit: To be honest i'm kind of disappointed in myself, i had no idea with the 512 byte and 4k native sectors stuff. Also i know that there's no turning back, 4 kb native sector cannot be emulated. :(

Edited by Creative3DMM
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Edit: To be honest i'm kind of disappointed in myself, i had no idea with the 512 byte and 4k native sectors stuff. Also i know that there's no turning back, 4 kb native sector cannot be emulated. :(

Don't be too harsh with yourself :), rest assured that a lot of people have banged their head against this particular wall and most probably lots will do the same in the future.

JFYI, there is an ongoing (preoccupying :ph34r:) thread about incompatibilities between Windows 8 and 7, at least when GPT partitioned, that at the moment seems to lead in the direction of these stupid 4K (or maybe only AF :unsure:) disks:

http://www.forensicfocus.com/Forums/viewtopic/t=11431/

jaclaz

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Edit: To be honest i'm kind of disappointed in myself, i had no idea with the 512 byte and 4k native sectors stuff. Also i know that there's no turning back, 4 kb native sector cannot be emulated. :(

Actually 4KB Logical Sectors CAN be emulated. I wrote emulation software to test my DOS Patches up to 32KB Logical Sectors and to test my Windows 9x Patches up to 4KB Logical Sectors before I got my first 3TB USB Drive.

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Edit: To be honest i'm kind of disappointed in myself, i had no idea with the 512 byte and 4k native sectors stuff. Also i know that there's no turning back, 4 kb native sector cannot be emulated. :(

Actually 4KB Logical Sectors CAN be emulated. I wrote emulation software to test my DOS Patches up to 32KB Logical Sectors and to test my Windows 9x Patches up to 4KB Logical Sectors before I got my first 3TB USB Drive.

Oh, i did not know that. But anyway it's okay, i'm gonna hunt down a USB stick instead. :)

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Oh, i did not know that.

You should be a little bit harsher :w00t: with yourself :ph34r:

This piece of info has been given to you several times on this thread, that is exactly what Rloew's patches do (allow access to 4 Kb sectored drives from Windows 98) as explained in the initially given reference thread (yes the one you did not read):

http://www.msfn.org/board/topic/141013-hard-drives-with-4kb-sector-size-are-now-available/

jaclaz

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