American Megatrends Atlas PCI-II, User Manual

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Atlas PCI-II Motherboard User’s Guide 54
Chipset Setup,
Continued
PCI Master Read Advanced Snoop Set this option to Enabled to
enable advanced snoop reading in the PCI master
channel. The settings are
Enabled or Disabled. The
Optimal default setting is Enabled . The Fail-Safe
default setting is Disabled.
PCI Master Write Advanced Snoop Set this option to Enabled to
enable advanced snoop writing in the PCI master
channel. The settings are
Enabled or Disabled. The
Optimal and Fail-Safe default settings are Disabled.
Slot 1 Latency Timer
Slot 2 Latency Timer
Slot 3 Latency Timer
Slot 4 Latency Timer
These options specify the latency period
for PCI devices using PCI slots 1 – 4. The settings
are
40 CLKs, 80 CLKs, 120 CLKs, 160 CLKs, 200
CLKs, 220 CLKs , or 240 CLKs . The Optimal default
setting is 240 CLKs . The Fail-Safe default setting is
40 CLKs.
ISA Memory Block Base This option specifies a block of RAM
memory used as a base address for ISA adapter
cards. The settings are
Disabled, C800h, CC00h,
D000h, D400h, D800h, or DC00h. The Optimal and
Fail-Safe default settings are Disabled.
Reserved ISA Memory Block Size This option sets the size of the
reserved ISA memory block. The settings are
Disabled (only if the
ISA Memory Block Base
option is set to Disabled), 8KB, 16KB, 32KB , or
64KB. The Optimal default setting is 8KB . The Fail-
Safe default setting is Disabled.
Cont’d