Format of PCI IRQ Routing Table slot entry (Cont.)
(Table M091)
Values for Pentium APIC delivery mode:
000b fixed
001b lowest-priority
010b SMI
011b remote read
100b NMI
101b INIT
110b start up
111b reserved
See Also: #M090
--------H-mFEE00310--------------------------
MEM FEE00310h - Pentium - LOCAL APIC - INTERRUPT COMMAND REGISTER (ICR)
Size: DWORD
Note: this is the high half of the 64-bit ICR
See Also: MEM FEE00300h,#M090
--------H-mFEE00320--------------------------
MEM FEE00320h - Pentium - LOCAL APIC - LOCAL VECTOR TABLE ENTRY 0 (TIMER)
Size: DWORD
See Also: MEM FEE00350h,MEM FEE00370h,MEM FEE003E0h,INT 70h
Bitfields for Pentium APIC timer local vector entry:
Bit(s) Description (Table M092)
7-0 interrupt vector number
11-8 reserved
12 delivery status (read-only)
1 = interrupt being sent to APIC
15-13 reserved
16 interrupt delivery disabled
17 timer mode (0=one-shot, 1=periodic)
31-18 reserved
See Also: #M094,#M093
--------H-mFEE00330--------------------------
MEM FEE00330h - Pentium - LOCAL APIC - RESERVED
See Also: MEM FEE00000h
--------H-mFEE00340--------------------------
MEM FEE00340h - Pentium - LOCAL APIC - RESERVED
See Also: MEM FEE00000h
--------H-mFEE00350--------------------------
MEM FEE00350h - Pentium - LOCAL APIC - LOCAL VECTOR TABLE ENTRY 1 (LINT0)
Size: DWORD
See Also: MEM FEE00320h,MEM FEE00360h
Bitfields for Pentium APIC LINTx local vector entry:
Bit(s) Description (Table M093)
7-0 interrupt vector number
10-8 delivery mode
000 fixed
100 NMI
111 external interrupt (8259A-compatibility)
11 reserved
12 delivery status (read-only)
1 = interrupt being sent to APIC
13 interrupt pin is active low
14 remote IRR
15 trigger mode
0 edge-sensitive
1 level-sensitive
16 interrupt delivery disabled
31-17 reserved
See Also: #M092
--------H-mFEE00360--------------------------
MEM FEE00360h - Pentium - LOCAL APIC - LOCAL VECTOR TABLE ENTRY 2 (LINT1)
Size: DWORD
See Also: MEM FEE00350h,MEM FEE00370h,#M093
--------H-mFEE00370--------------------------
MEM FEE00370h - Pentium - LOCAL APIC - LOCAL VECTOR TABLE ENTRY 3 (Error)
Size: DWORD
See Also: MEM FEE00320h,MEM FEE00370h
--------H-mFEE00380--------------------------
MEM FEE00380h - Pentium - LOCAL APIC - INITIAL COUNT REGISTER (ICR) TIMER
Size: DWORD
Desc: timer start value, which together with the Divide Configuration
Register also determines its period when periodic mode has been
selected
See Also: MEM FEE00000h,MEM FEE00390h
--------H-mFEE00390--------------------------
MEM FEE00390h - Pentium - LOCAL APIC - CURRENT COUNT REGISTER (CCR) TIMER
Size: DWORD
Desc: current timer count; when this value reaches zero, an interrupt is
generated
Note: read-only
See Also: MEM FEE00380h
--------H-mFEE003A0--------------------------
MEM FEE003A0h - Pentium - LOCAL APIC - RESERVED
See Also: MEM FEE00000h
--------H-mFEE003B0--------------------------
MEM FEE003B0h - Pentium - LOCAL APIC - RESERVED
See Also: MEM FEE00000h
--------H-mFEE003C0--------------------------
MEM FEE003C0h - Pentium - LOCAL APIC - RESERVED
See Also: MEM FEE00000h
--------H-mFEE003D0--------------------------
MEM FEE003D0h - Pentium - LOCAL APIC - RESERVED
See Also: MEM FEE00000h
--------H-mFEE003E0--------------------------
MEM FEE003E0h - Pentium - LOCAL APIC - TIMER DIVIDE CONFIGURATION REGISTER
Size: DWORD
See Also: MEM FEE00000h,MEM FEE00320h
Bitfields for Pentium APIC timer divide configuration:
Bit(s) Description (Table M094)
3,1,0 divisor
000 divide by 2
001 by 4
010 by 8
...
110 by 128
111 by 1
2 zero (0)
31-4 reserved
Note: the divisor determines the timer's time base relative to the processor
clock
See Also: #M092
----------MFFFF0010--------------------------
MEM FFFFh:0010h - HIGH MEMORY AREA (HMA)
Size: 65520 BYTEs
--------!---CONTRIBUTORS---------------------
Robin Walker <rdhw@cus.cam.ac.uk> ORIGINAL FILE
Wim Osterholt <wim@djo.wtm.tudelft.nl> or Wim Osterholt 2:512/56
EHD floppy = 'KEGAN 4.0M Floppy Drive Controller.',
'ACME FX4-K7tb2 v:2.5 11/5/91'
Stanley Appel <appel@stack.urc.tue.nl>
Matthias Paul <mpaul@ibh.rwth-aachen.de>
--------!---Admin----------------------------
Highest Table Number = M104
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three additional archives called INTER56E.ZIP to INTER56G.ZIP.
Copyright (c) 1989,1990,1991,1992,1993,1994,1995,1996,1997 Ralf Brown
--------!---CONTACT_INFO---------------------
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