NEC PowerMate Enterprise, Руководство пользователя

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Setup and Operation 2-17
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LBA Mode Control
When “Enabled” is selected, it causes logical block addressing to be used in place
of cylinders, heads, and sectors.
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Transfer Mode
Enter the method for transferring the data between the hard disk drive and the
system memory. The Setup menu only lists those options supported by the drive.
Choices can include

Standard

Fast PIO 1, Fast PIO 2, Fast PIO 3, or Fast PIO 4.
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Ultra DMA Mode
This field sets the Ultra DMA mode, which allows a faster read/write file transfer
rate (33 MB per second). Choices include Mode 0, Mode 1, and Mode 2. This
setting should be disabled if an older hard disk drive is installed that is not
supported by Ultra DMA mode.
Advanced Menu
Selecting “Advanced” from the Main menu displays a menu with the following options.
PnP O/S
The PnP field indicates if the computer’s operating system is configured to use Plug and
Play devices. Choose “Yes” if you are using a system that has Plug and Play. The default is
“Yes” for Windows 95 systems. For systems without Plug and Play (such as Windows NT
4.0), this field is set to “No.”
Reset Configuration Data
Use this setting to clear CMOS (by selecting “Yes” and rebooting) if the system parameters
get corrupted. The default is “No.”
Memory Cache
Memory cache saves time for the CPU by holding data most recently accessed in regular
memory (dynamic RAM or DRAM) in a special storage area of static RAM (SRAM), which
is faster. Before accessing regular memory, the CPU first accesses the cache. If it does not
find the data it is looking for, it accesses the regular memory.
The default for the Memory Cache is “Enabled.” This field controls both the primary and
secondary caches. Setting the Memory Cache to “Disabled” will hurt performance, but
might be required when running programs that utilize software-timing loops and need to be
slowed down to execute properly.