SB82371 Intel Corporation, SB82371 Datasheet - Page 27

• Manufacturer Part Number: SB82371
• Description: 82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR
• Manufacturer: Intel Corporation

0000h 3
0001h 3
0002h 3
0003h 3
0004h 3
0005h 3
0006h 3
0007h 3
0008h 3
0009h 3
000Ah 3
000Bh 3
000Ch 3
000Dh 3
000Eh 3
000Fh 3
0020h
0021h
0040h
0041h
0042h
0043h
0060h 1
0061h
Address
(hex)
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
FEDC
Table 5. ISA-Compatible and Power Management Registers
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
BA98
Address (bits)
000x
000x
000x
000x
000x
000x
000x
000x
000x
000x
000x
000x
000x
000x
000x
000x
001x
001x
010x
010x
010x
010x
0110
0110
7654
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
xx00
xx01
0000
0001
0010
0011
0000
0001
3210
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
wo
wo
wo
wo
wo
wo
r/w
r/w
r/w
r/w
r/w
r/w
wo
r
r/w
Type
DMA1 CH0 Base and Current
Address
DMA1 CH0 Base and Current
Count
DMA1 CH1 Base and Current
Address
DMA1 CH1 Base and Current
Count
DMA1 CH2 Base and Current
Address
DMA1 CH2 Base and Current
Count
DMA1 CH3 Base and Current
Address
DMA1 CH3 Base and Current
Count
DMA1 Status(r) Command(w)
Register
DMA1 Write Request
DMA1 Write Single Mask Bit
DMA1 Write Mode
DMA1 Clear Byte Pointer
DMA1 Master Clear
DMA1 Clear Mask
DMA1 Read/Write All Mask
Register Bits
INT 1 Control
INT 1 Mask
Timer Counter 1 - Counter 0 Count
Timer Counter 1 - Counter 1 Count
Timer Counter 1 - Counter 2 Count
Timer Counter 1 Command Mode
Reset XBus IRQ12/M and IRQ1
NMI Status and Control
82371FB (PIIX) AND 82371SB (PIIX3)
Name
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
Access
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