Ier_Cm Register Fields - Compaq AlphaServer ES45 Service Manual

Table D–5

IER_CM Register Fields

Name Extent
Reserved <63:39>
EIEN<5:0> <38:33>
SLEN <32>
CREN <31>
PCEN<1:0> <30:29>
SIEN<15:1> <28:14>
ASTEN <13>
Reserved <12:5>
CM<1:0> <4:3>
Reserved <2:0>
Type Description
RW External Interrupt Enable
RW Serial Line Interrupt Enable
RW Corrected Read Error Interrupt Enable
RW Performance Counter Interrupt Enables
RW Software Interrupt Enables
RW AST Interrupt Enable
When set, enables those AST interrupt
requests that are also enabled by the
value in ASTER.
RW Current Mode
00 Kernel
01 Executive
10 Supervisor
11 User
Registers D-11