82801CA Datasheet, PDF (505/521 Pages) Intel Corporation – I/O Controller Hub 3-S (ICH3-S)

Register Index
Table A-2. Intel^® ICH3 Fixed I/O Registers (Continued)
Register Name
Port
Datasheet Section and Location
Channel 2 DMA Memory Low Page
Register
81h
Section 9.2.3, “DMAMEM_LP—DMA Memory Low Page
Registers” on page 9-300
Channel 3 DMA Memory Low Page
Register
Channel 1 DMA Memory Low Page
Register
82h
Section 9.2.3, “DMAMEM_LP—DMA Memory Low Page
Registers” on page 9-300
83h
Section 9.2.3, “DMAMEM_LP—DMA Memory Low Page
Registers” on page 9-300
Reserved Page Registers
84–86h
Channel 0 DMA Memory Low Page
Register
Reserved Page Register
Channel 6 DMA Memory Low Page
Register
87h
Section 9.2.3, “DMAMEM_LP—DMA Memory Low Page
Registers” on page 9-300
88h
89h
Section 9.2.3, “DMAMEM_LP—DMA Memory Low Page
Registers” on page 9-300
Channel 7 DMA Memory Low Page
Register
8Ah
Section 9.2.3, “DMAMEM_LP—DMA Memory Low Page
Registers” on page 9-300
Channel 5 DMA Memory Low Page
Register
8Bh
Section 9.2.3, “DMAMEM_LP—DMA Memory Low Page
Registers” on page 9-300
Reserved Page Registers
8C–8Eh
Refresh Low Page Register
8Fh
Aliased at 81–8Fh
91–9Fh
(except 92h)
Fast A20 and INIT Register
92h
Section 9.7.3, “PORT92—Fast A20 and Init Register” on
page 9-328
Slave PIC ICW1 Init. Cmd Word 1
Register
Slave PIC OCW2 Op Ctrl Word 2
Register
Slave PIC OCW3 Op Ctrl Word 3
Register
Section 9.4.2, “ICW1—Initialization Command Word 1
Register” on page 9-309
A0h
Section 9.4.8, “OCW2—Operational Control Word 2
Register” on page 9-312
Section 9.4.9, “OCW3—Operational Control Word 3
Register” on page 9-313
Slave PIC ICW2 Init. Cmd Word 2
Register
Slave PIC ICW3 Init. Cmd Word 3
Register
Slave PIC ICW4 Init. Cmd Word 4
Register
Slave PIC OCW1 Op Ctrl Word 1
Register
Section 9.4.3, “ICW2—Initialization Command Word 2
Register” on page 9-310
Section 9.4.4, “ICW3—Master Controller Initialization
Command Word 3 Register” on page 9-310
A1
Section 9.4.6, “ICW4—Initialization Command Word 4
Register” on page 9-311
Section 9.4.7, “OCW1—Operational Control Word 1
(Interrupt Mask) Register” on page 9-311
Aliased at A0–A1h
Aliased at A0–A1h
Aliased at A0–A1h
A4–A5h
A8–A9h
AC–ADh
Aliased at A0–A1h
Advanced Power Management
Control Port Register
B0–B1h
B2h
Section 9.8.2.1, “APM_CNT—Advanced Power
Management Control Port Register” on page 9-335
Advanced Power Management
Status Port Register
B3h
Section 9.8.2.2, “APM_STS—Advanced Power
Management Status Port Register” on page 9-335
Aliased at A0–A1h
Aliased at A0–A1h
Aliased at A0–A1h
B4–B5h
B8–B9h
BC–BDh
Intel^® 82801CA ICH3-S Datasheet
505