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On-Chip Video
This item allows you to enable or disable the on-chip video window size for
VGA driver use. Video window is the amount of system memory that can be
used by the on-chip VGA controller. Settings: Enabled and Disabled.
Local Memory Frequency
This item allows you to set the Onboard Display Cache frequency. Settings:
100Mhz and 133Mhz.
Initial Display Cache
This item allows you to enable or disable Onboard Display Cache. Settings:
Enabled and Disabled.
CAS# Latency
The number of clock cycles of CAS# Latency depends on the Onboard Dis-
play cache timing. Settings: 2 and 3.
Paging Mode Control
This item allows you to select the paging mode control. Settings: Open and
Close.
RAS-to-CAS Override
This items allows you to insert a timing delay between the CAS and RAS
strobe signals, used when Onboard Display Cache is written to, read from, or
refreshed. When set to by CAS# LT, it will depend on the CAS# Latency
setting in Onboard Display Cache; when set to Override (2), the RAS-to-CAS
time is 2.
RAS# Timing
This item controls RAS# active to Precharge, and refresh to RAS# active delay
(in local memory clocks).
Slow RAS# to precharge (t
Fast
RAS# to precharge (t
*Onboard Display Cache Setting*
RAS
RAS
3-15
AWARD
) =7, refresh to RAS# act (t
) =5, refresh to RAS# act (t
®
BIOS Setup
) = 10
RC
) = 8
RC
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