Device Mapping
Device Mapping
Digital PRIORIS XL Server
Digital PRIORIS XL Server
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MCS Logistics Engineering - Nijmegen
MCS Logistics Engineering - Nijmegen
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CPU Memory Address Map (Full Range, 560/566 CPUs)
Range
Function
Notes
0 KB to 512 KB
Main memory
PC compatibility range
512 KB to 1024 KB
Main memory
PC compatibility range (EISA/ISA memory lower
limit)
1 MB to 16 MB
Main memory
Memory space gap
EISA/ISA memory upper limit
PCI memory hole (16 MB max. size)(2)
16 MB to 192 MB(1)
Main memory
Pentium processor upper limit
192 MB to 4 GB(1)
PCI memory
(1) 128 MB max. for DECpc LPx 560/566
(1) 512 MB max. for Prioris HX (DP) Series
(2) 4MB max. for Prioris XL Server
CPU Memory Address Map (Full Range, 590 CPU’s)
Range
Function
Notes
0 KB to 512 KB
Main memory
PC compatibility range
512 KB to 1024 KB
Main memory
PC compatibility range (EISA/ISA memory lower
limit)
1 MB to 16 MB
Main memory
Memory space gap
ISA memory upper limit
16 MB to 384 MB(1)
Main memory
Computer memory upper limit
384 MB to 4 GB(1)
PCI memory
(1) 512 MB max. for Prioris XL Server
512 MB max. for Prioris HX (DP) Series
