Preparing Advanced Format hard drives for Microsoft Windows installations on HP Business Notebook PCs and desktop PCs - White Paper
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Executive summary 
Designed for both SMB/enterprise users and consumers, this white paper provides instructions for 
preparing an Advanced Format hard drive for a Microsoft® Windows® installation on an HP 
Business Notebook or Desktop PC, or Retail Point-of-Sale (POS) system. 
Historically, hard disk drives (HDDs) have used 512-byte sectors; however, this sector size is now 
limiting HDD capacity. To address this limitation, the industry is moving Advanced Format drives with 
4096-byte (4-KB) sectors – eight times larger than current drive technology. With 4-KB sectors, less 
space is wasted on the physical media, making the drive easier to manufacture and able to support 
higher capacities. 
First-generation Advanced Format drives retain backwards-compatibility by using external SATA 
communications based on a 512-byte sector; however, these drives – also known as 512e
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 drives – 
operate internally at 4 KB. Thus, any PC with a SATA interface can use an Advanced Format drive; 
however, depending on the operating system (OS) being installed, extra steps may be required to 
optimize performance. 
If an OS that is not Advanced Format-aware is being used, you may need to take steps to align 
logical sectors (OS) with physical sectors (disk media).  For example, to avoid data loss, you must 
ensure that encrypted Advanced Format drives are suitably aligned. 
This white paper presents a range of scenarios involving the use of Advanced Format drives and 
describes the actions you should take to optimize the performance of your HP Business Notebook or 
Desktop PC, or Retail POS system. It also outlines plans for introducing Advanced Format drives into 
new systems and provides a “Frequently asked questions” section, as well as an appendix with 
additional technical background.  
Identifying an Advanced Format drive 
Options for identifying an Advanced Format drive include: 
  Running the HP Advanced Format Hard Drive Information Tool, which provides a range of 
information about a particular HDD, including vendor, model, capacity and whether or not it is an 
Advanced Format drive 
  Reviewing the label on the HDD to determine if the Advanced Format logo (shown in Figure 1) is 
present 
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 Where “e” indicates that these drives emulate conventional drives, maintaining backwards-compatibility with current computers by operating 
internally at 4 KB and externally at 512 bytes  










