Cache Options Group; Advanced Control Group - Digital Equipment DIGITAL Server 7100 1200 Service Maintenance Manual

SCU Features

Cache Options Group

Menu Fields
Internal cache
External cache
Cache system
BIOS ROM
Cache video ROM
(1)
Factory default setting

Advanced Control Group

Menu Fields
CPU to PCI Write
Posting
OPBC PCI to CPU
Write Posting
OPBC CPU Line
Read Pre-Fetch
2nd OPB CPU to
PCI Write Posting
2nd OPB PCI to
CPU Write Posting
(1)
Factory default setting
3-10
Settings
(1)
Enabled
Disabled
Disabled
Write through
(1)
Write back
(1)
Enabled
Disabled
(1)
Enabled
Disabled
Settings
Disabled
(1)
Enabled
Disabled
(1)
Enabled
Disabled
(1)
Enabled
Disabled
(1)
Enabled
Disabled
(1)
Enabled
Comments
Enables or disables the server's processor internal
cache operation.
Allows you to select the external cache operation
type.
Enables or disables caching request for server BIOS
ROM (F0000h to FFFFFh).
Enables or disables the server to cache the video
BIOS in the C000 to C7FFh segment.
Comments
When enabled, allows processor writes to the PCI to
be posted in the compatibility OPB chipset.
When enabled, allows PCI writes to the processor to
be posted in the compatibility OPB chipset.
When enabled, allows the compatibility OPB chipset's
PCI memory read line commands to pre-fetch
additional processor cache lines.
When enabled, allows processor writes to the PCI to
be posted in the 2nd OPB chipset.
When enabled, allows PCI writes to the processor to
be posted in the 2nd OPB chipset.
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