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SBC-657 User Manual
3.8.3
IDE Prefetch Mode
The onboard IDE drive interfaces supports IDE prefetching, for
faster drive accesses. If you install a primary and or secondary
add in IDE interface, set this field to Disabled if the interface does
not support prefetching.
The choices: Enabled(Default), Disabled.
3.8.5
Primary/Secondary Master/Slave UDMA
Ultra DMA 66/100 implementation is possible only if your IDE
hard drive supports it and the operating environment includes a
DMA driver (Windows 95 OSR2 or a third-party IDE bus master
driver). If your hard drive and your IDE Cable both support Ultra
DMA 33/66
select Auto
to enable BIOS support.
The choices: Auto(Default), Disable
3.8.6
Init Display First
This item allows you to activate PCI or onboard VGA device first.
The choices: PCI Slot, AGP(Default)
3.8.7
IDE HDD Block Mode
Select Enabled only if your hard drives support block mode.
The choices: Enabled(Default), Disabled
3.8.4
Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmable Input/Output) fields let you set
a PIO mode (0-1) for each of the four IDE devices that the
onboard IDE interface supports. Modes 0 through 4 provide
successively increased performance. In Auto mode, the system
automatically determines the best mode for each device.
The choices: Auto(Default), Mode 0, Mode 1, Mode 2, Mode 3,
Mode 4.
Summary of Contents for SBC-657
Page 17: ...SBC 657 8 SBC 657 Quick Installation GuideBC 599 596 Locating Jumpers Connectors JP2 ...
Page 18: ...SBC 657 User s Manual9 59 9 Locating Jumpers Connectors Soldering Side ...
Page 19: ...SBC 657 10 SBC 657 User s Manual9 596 Mechanical Drawing ...
Page 20: ...SBC 657 User s Manual9 59 11 Mechanical Drawing Soldering Side ...
Page 41: ......