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80867111.PCI
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Text File
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1998-01-02
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3KB
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84 lines
%! Detailed register description file for PCICFG.EXE by Ralf Brown
%!
%! Filename 80867111.PCI = Vendor 8086h, Device 7111h
%! Intel 82731AB PIIX4 Ultra DMA/33 IDE Controller
%! Last Edit 31 Dec 1997 by Andy Sawyer
%!
%! Reference : Intel document 29056201.PDF
%! "82371AB PCI-TO-ISA/IDE XCELERATOR (PIIX4)"
%!
%! See also : 80867110.PCI,80867112.PCI,80867113.PCI
%!
%! Note, the entry listed below as "Fast Timing" is rather confusingly
%! described by intel as "DMA Timing Enable Only", although it doesn't
%! actually affect the timing for DMA operations...
%!
!begin
Intel 82371AB PIIX4 IDE Controller registers in detail: [by Andy Sawyer]
IDE Timing Modes
Primary Channel %[40:15]ed
Slave Timing Register %[40:14]ed
IORDY Sample Point %[40:13-12]{5432} clocks after DIOx#
Recovery Time after IORDY %[40:9-8]{4321} clock(s)
Drive 0:
Fast Timing %[40:3](FastTiming)
Prefetch and Posting %[40:2]ed
IORDY Sample Point Drive Select %[40:1]ed
Fast Timing Bank Drive Select %[40:0]ed
Drive 1:
Fast timing %[40:7](FastTiming)
Prefetch and Posting %[40:6]ed
IORDY Sample Point Drive Select %[40:5]ed
Fast Timing Bank Drive Select %[40:4]ed
Secondary Channel %[42:15]ed
Slave Timing Register %[42:14]ed
IORDY Sample Point %[42:13-12]{5432} clocks after DIOx#
Recovery Time after IORDY %[42:9-8]{4321} clock(s)
Drive 0:
Fast timing %[42:3](FastTiming)
Prefetch and Posting %[42:2]ed
IORDY Sample Point Drive Select %[42:1]ed
Fast Timing Bank Drive Select %[42:0]ed
Drive 1:
Fast timing %[42:7](FastTiming)
Prefetch and Posting %[42:6]ed
IORDY Sample Point Drive Select %[42:5]ed
Fast Timing Bank Drive Select %[42:4]ed
Slave IDE Timing Register
Primary Drive 1:
IORDY Sample Point %[44:3-2]{5432} clocks after DIOx#
Recovery Time %[44:1-0]{4321} clock(s)
Secondary Drive 1:
IORDY Sample Point %[44:7-6]{5432} clocks after DIOx#
Recovery Time %[44:5-4]{4321} clock(s)
Ultra DMA/33 Control Register
Primary Drive 0 UDMA %[48:0]ed
Primary Drive 1 UDMA %[48:1]ed
Secondary Drive 0 UDMA %[48:2]ed
Secondary Drive 1 UDMA %[48:3]ed
Ultra DMA/33 Timing Register
Primary Drive 0 Cycle Time %[4A:1-0](UDMATiming)
Primary Drive 1 Cycle Time %[4A:5-4](UDMATiming)
Secondary Drive 0 Cycle Time %[4A:9-8](UDMATiming)
Secondary Drive 1 Cycle Time %[4A:13-12](UDMATiming)
!end
!enum FastTiming
DMA & PIO Modes
DMA mode only
!end
!enum UDMATiming
4/6
3/5
2/4
Reserved
!end
%! end of file