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#1
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Only 128Gb of a 160Gb disk
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#2
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"Nico" wrote in message
e Hi, I installed 2 extra disks in my machine, one 80Gb and one 160Gb, both maxtor IDE drives connected to the primary IDE channel. There is already a SCSI disk installed on which runs W2K sp2. Disk manager sees the 160Gb disk as 128Gb although the BIOS detects the disk well and reports it as being a 163xxxMb size disk. Thanks in advance for any ideas, Nico Depends on your version of Windows (which means you need to get the latest service pack), your BIOS, and your IDE controller. The driver for your hard drive, the BIOS, or the IDE controller itself is not supporting beyond 28-bit addressing, so you max out at 2^28 sectors * 512 bytes/sector = 137,438,953,472 bytes = 128 GB (where 1 GB = 2^30 bytes = 1,073,741,824 bytes). Something in your system is limiting addressing to 28 bits. You must have the following: - BIOS that supports 48-bit addressing mode. - Your IDE controller's driver must support 48-bit addressing mode. This can be updated with a driver for the vendor of your IDE controller card or may be included in the latest service pack for Windows. Since your BIOS appears to be recognizing the drive as a 160 GB drive this mean it is okay and the IDE controller also supports 48-bit mode in its hardware. So you need to get a driver that support 48-bit mode. If you have a Promise controller card, download their latest driver. If your IDE controller is on the motherboard, you will need to contact your motherboard vendor or the chipset maker to get a 48-bit driver. It may be that your IDE controller is supported by Windows and you are using the driver that came with Windows; in this case, you will need to upgrade to the latest service pack of Windows. Some old controller only supported up to 24-bit addressing, so your max partition was only 8 GB. Then newer ones came along that support 28-bit addressing so your partitions could get up 128 GB. To get past 128 GB, your IDE controller must physically support more than 28-bit addressing mode (i.e., 48-bit addressing). You got yourself bigger drives. Now it is time to get the drivers and/or hardware to support them. See: http://support.microsoft.com/default...b;en-us;305098 http://support.microsoft.com/default...b;en-us;303013 -- __________________________________________________ __________ ** Share with others. Post replies in the newsgroup. ** If present, remove all "-nix" from my email address. __________________________________________________ __________ |
#3
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You need to apply SP3 or SP4.
On Mon, 28 Jul 2003 20:24:06 +0200, "Nico" wrote: Hi, I installed 2 extra disks in my machine, one 80Gb and one 160Gb, both maxtor IDE drives connected to the primary IDE channel. There is already a SCSI disk installed on which runs W2K sp2. Disk manager sees the 160Gb disk as 128Gb although the BIOS detects the disk well and reports it as being a 163xxxMb size disk. Thanks in advance for any ideas, Nico |
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