Advantech ARK-3390, Руководство пользователя

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ARK-3390 User Manual 26
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Security Option [Setup]
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APIC Mode [Enabled]
This item allows user to enabled of disabled “Advanced Programmable Interrupt
Controller”. APIC is implemented in the motherboard and must be supported by
the operating system, and it extends the number of IRQ's available.
„
MPS Version Control for OS [1.4]
This item sets the operating system multiprocessor support version.
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OS Select For DRAM > 64 MB [Non-OS2]
Select OS2 only if the system is running the OS/2 operating system with greater
than 64 MB of RAM on the system.
3.2.4 Advanced Chipset Features
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DRAM Timing Selectable [By SPD]
This item enables users to set the optimal timings for items 2 through 5; system
default setting “By SPD” follows the SPD information and ensures the system
runs stably with optimal performance.
„
CAS Latency Time [Auto]
This item enables users to set the timing delay in clock cycles before SDRAM
starts a read command after receiving it.
„
DRAM RAS# to CAS# Delay [Auto]
This item enables users to set the timing of the transition from RAS (row
address strobe) to CAS (column address strobe) as both rows and column are
separately addressed shortly after DRAM is refreshed.
System System will not boot and refuses access to Setup page if the cor-
rect password is not entered at the prompt.
Setup System will boot, but access to Setup requires password (default
value).
Note! This “Advanced Chipset Features” page controls configuration of the
board’s chipset. This page is chipset dependent; screens may differ
somewhat depending on the chipset. It is strongly recommended that
only technical users make changes to the default settings.