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5-2 361834-002 Technical Reference Guide
Input/Output Interfaces
IDE Configuration Registers
The IDE controller is configured as a PCI device with bus mastering capability. The PCI
configuration registers for the IDE controller function (PCI device #31, function #1) are listed in
Table 5-1.
NOTE:
[1] ICH6 = 244Bh; ICH6 = 24CBh
Table 5-1.
EIDE PCI Configuration Registers (82801)
PCI Conf.
Address Register
Reset
Value
PCI Conf.
Addr. Register
Reset
Value
00-01h Vender ID 8086h 0F..1Fh Reserved 0’s
02-03h Device ID [1] 20-23h BMIDE Base Address 1
04-05h PCI Command 0000h 2C, 2Dh Subsystem Vender ID 0000h
06-07h PCI Status 0280h 2E, 2Fh Subsystem ID 0000h
08h Revision ID 00h 30..3Fh Reserved 0’s
09h Programming 80h 40-43h Pri./Sec. IDE Timing 0’s
0Ah Sub-Class 01h 44h Slave IDE Timing 00h
0Bh Base Class Code 01h 48h Sync. DMA Control 00h
0Dh Master Latency Timer 00h 4A-4Bh Sync. DMA Timing 0000h
0Eh Header Type 00h 54h EIDE I/O Config.Register 00h