IEI Integration IOWA-LX-600 - Manual (Page 100)

IOWA-LX-600 Half-size CPU Card
Page 86
Mode 4 PIO mode 4 selected with a maximum transfer rate of 16.6MBps.
IDE UDMA [Auto]
Use the IDE UDMA option below to select the Ultra DMA (UDMA) mode for the following
HDDs:
IDE Primary Master UDMA
IDE Primary Slave UDMA
Disabled The UDMA for the HDD device is disabled.
Auto (Default) The computer selects the correct UDMA.
IDE DMA transfer access [Enabled]
Use the IDE DMA transfer access option to enable or disable DMA support for IDE
devices connected to the system.
Disabled All IDE drive DMA transfers are disabled. The IDE drives
use PIO mode transfers.
Enabled (Default) All IDE drive DMA transfers are enabled.
IDE HDD Block Mode [Enabled]
If the drive connected to the system supports block mode, use the IDE HDD Block Mode
option to enable the system to detect the optimal number of block read/writes per sector
the system IDE drive can support. Block mode is also called block transfer, multiple
commands, or multiple sector read/write.
Disabled Block mode is not supported.
Enabled (Default) Block mode is supported.