Supermicro X6DA3-G2, User Manual

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X6DA3-G2/X6DAi-G2 User's Manual
Transfer Mode
This feature allows the user to select the transfer mode. The options are
Standard , Fast PIO1, Fast PIO2, Fast PIO3, Fast PIO4, FPIO3/DMA1, and
FPIO4/DMA2.
Ultra DMA (Direct Memory Access) Mode
This feature allows the user to select Ultra DMA Modes. DMA Modes
allow peripheral devices (such as souond cards, fl oppy disks) to transfer
data directly to and from the memory modules without going through the
CPU. With double transition clocking, UDMA (Ultra DMA) allows data to
be transferred on both rising and falling edges of the clock, doubling data
throughput for any given clock speed. The options are Disabled, Mode 0,
Mode 1, Mode 2, Mode 3, Mode 4, and Mode 5. Please refer to the table
below for detailed infomation. Selects Ultra DM A Mode. The options are
Disabled , Mode 0, Mode 1, Mode 2, Mode 3, Mode 4 and Mod5.
Ultra DMA Mode Cycle Time
(Nanoseconds) Maximum Transfer
Rate (MB/s)
Mode 0 240 16.7
Mode 1 160 25.0
Mode 2 120 33.3
Mode 3 90 44.4
Mode 4 60 66.7
Mode 5 40 100
System Memory
This display informs you how much system memory is recognized and detected
in the system.
Extended Memory
This display informs you how much extended memory is recognized and detected
in the system.