82371FB Datasheet, PDF (28/122 Pages) Intel Corporation – 82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR

82371FB (PIIX) AND 82371SB (PIIX3)
E
Address
(hex)
0070h1
0080h2,3
0081h3
0082h3
0083h3
0084h2,3
0085h2,3
0086h2,3
0087h3
0088h2,3
0089h3
008Ah3
008Bh3
008Ch2,3
008Dh2,3
008Eh2,3
008Fh3
00A0h
00A1h
00B2h
00B3h
00C0h3
00C2h3
00C4h3
00C6h3
00C8h3
FEDC
0000
Address (bits)
BA98 7654
0000
0111
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
100x
100x
1000
100x
100x
100x
100x
100x
100x
100x
100x
100x
100x
100x
100x
100x
101x
101x
1011
0000
0000
1011
0000
0000
1100
0000
0000
1100
0000
0000
1100
0000
0000
1100
0000
0000
1100
3210
0xx0
0000
0001
0010
0011
0100
0101
0110
0111
0100
1001
1010
1011
1100
1101
1110
1111
xx00
xx01
0010
0011
000x
001x
010x
011x
100x
Type
wo
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Name
CMOS RAM Address and NMI
Mask Reg
DMA Page (Reserved)
DMA Channel 2 Page
DMA Channel 3 Page
DMA Channel 1 Page
DMA Page (Reserved)
DMA Page (Reserved)
DMA Page (Reserved)
DMA Channel 0 Page
DMA Page (Reserved)
DMA Channel 6 Page
DMA Channel 7 Page
DMA Channel 5 Page
DMA Page (Reserved)
DMA Page (Reserved)
DMA Page (Reserved)
DMA low page Register Refresh
INT 2 Control
INT 2 Mask
Advanced Power Management
Control
Advanced Power Management
Status
DMA2 CH0 Base and Current
Address
DMA2 CH0 Base and Current
Count
DMA2 CH1 Base and Current
Address
DMA2 CH1 Base and Current
Count
DMA2 CH2 Base and Current
Address
28
Access
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI/ISA
PCI
PCI
PCI
PCI
PCI
PCI
PCI