Alphapc 164Ux System Interrupts - Samsung AlphaPC 164UX Technical Reference Manual

Table 3–2 AlphaPC 164UX System Interrupts
1
21164 Interrupt IPL
irq<0> 20
irq<1> 21
irq<2> 22
irq<3> 23
pwr_fail_irq 30
mchk_irq 31
hlt_irq —
1
IPL = interrupt priority level (fixed).
Suggested Usage AlphaPC 164UX Usage
Corrected system error Corrected ECC error and
sparse space reserved encod-
ings detected by the 21174
— PCI and ISA interrupts
Interprocessor and
timer interrupts
— Reserved
Powerfail interrupt Reserved
System machine check SIO NMI and 21174 errors
interrupt
Halt Reserved
Interrupts
Functional Description
3–13