Compaq AlphaServer ES45 Service Manual page 385

Table D–10 21274 Cchip Miscellaneous Register Fields (Continued)
Name Bits
IPINTR <11:8>
ITINTR <7:4>
RES <3:2>
CPUID <1:0>
Initial
Type State Description
R, W1C 0 Interprocessor interrupt pending—
one bit per CPU.
R, W1C 0 Interval timer interrupt pending—
one bit per CPU.
MBZ, RW 0 Reserved.
RO - ID of the CPU performing the read.
Registers D-25