Cache Options Group; Advanced Control Group - Digital Equipment 3100R Series Service Maintenance Manual

Cache Options Group

Menu Fields
L1 cache
L2 cache
Cache system
BIOS ROM
Cache video
ROM
(1)
Factory default setting

Advanced Control Group

Menu Fields
Processor to
PCI Write
Posting
PCI to DRAM
pipeline
APIC & MP
table
Error correction
code
PCI parity check
(1)
Factory default setting
Settings
Not user
selectable;
Always enabled
Not user
selectable;
Always enabled
Enabled (1)
Disabled
Enabled (1)
Disabled
Settings
Disabled
Enabled (1)
Disabled
Enabled (1)
Disabled
MPS 1.1
MPS 1.4 (1)
Enabled (1)
Disabled
Enabled (1)
Disabled
Comments
Indicates that the processor L1 cache is
enabled.
Indicates that the processor L2 cache is
enabled.
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.
Enables pipelining of PCI to DRAM write
cycles.
Applicable to single processor configurations
only, always enabled for Multi-Processing
(MP) operating system configurations. When
set to MPS 1.1 or MPS 1.4, the processor's
Advanced Programmable Interrupt Controller
(APIC) is enabled, and the MP table used by
MP operating systems will be created.
Note: This parameter must be disabled for
NetWare 3.12 single processor systems.
Enables or disables the Error Correction Code
(ECC).
Enables or disables the PCI parity checking.
SCU Features
3-11