NEC SP B-Series - Manual (Page 31)

Utilities 2-9
T Multi Sector Transfers
This option determines the number of sectors per block for multiple
sector transfers. If necessary, check the specification for your hard drive
to determine the best setting for optimum drive performance. The options
include:

2 Sectors

4 Sectors

8 Sectors

16 Sectors

Disabled.
T LBA Mode Control
This option specifies the LBA mode control. You can enable or disable
(default) this option. This option cannot be changed when “Auto” is
selected.
!
CAUTION
Do not change the translation mode setting from the option
selected when the hard drive was formatted. Changing the
option after formatting can corrupt data!
T Transfer Mode
This option specifies the method for transferring data between the hard
drive and system memory. This option cannot be changed when “Auto” is
selected. The options include:

Standard

Fast PIO 1

Fast PIO 2

Fast PIO 3

Fast PIO 4

FPIO 3/DMA 1

FPIO 4/DMA 2.