User`s manual
ENDAT-2794A USERS MANUAL 
UNICORN COMPUTER CORP. 
28 
OnChip IDE Device 
Item  Available Options: 
IDE HDD Block Mode  Enabled 
IDE DMA transfer access  Enabled 
On-Chip Primary PCI IDE  Enabled 
IDE Primary Master  PIO  Auto 
IDE Primary Slave PIO  Auto 
IDE Primary Master  UDMA  Auto 
IDE Primary Slave UDMA  Auto 
On-Chip Secondary PCI IDE  Enabled 
IDE Secondary Master PIO  Auto 
IDE Secondary Slave  PIO  Auto 
IDE Secondary Master UDMA  Auto 
IDE Secondary Slave UDMA  Auto 
*** On-Chip Serial ATA Setting ***   
On-Chip Serial ATA  Auto 
SATA Port Speed Settings Disabled 
PATA IDE Mode  Secondary 
SATA Port  P0,P2 is Primary 
˙IDE Primary Master/Slave PIO and IDE Secondary Master/Slave 
PIO 
The four IDE PIO (programmed Input/Output) fields let you set a PIO mode (0-4) 
for each IDE device that the internal PCI IDE interface supports. Modes 0 
through 4 provide successively increased performance. In Auto mode, the 
system automatically determines the best mode for each device. 
˙IDE Primary Master/Slave UDMA and IDE Secondary 
Master/Slave UDMA 
These fields allow you to set the Ultra DMA in use. When Auto is selected, the 
BIOS will select the best available option after checking your hard drive or 
CD-ROM. 
Notice: The Secondary IDE channel is not available for this board. All 
settings of Secondary IDE channel will be ignore by system BIOS. 
˙
IDE HDD Block Mode 
Block mode is also called block transfer, multiple commands, or multiple sectors 
read/write. 










