Compaq DC7600 HP Compaq dx 7200 and dc7600 Personal Computers, Technical Refer - Page 82

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. Table 5-1. EIDE PCI Configuration Registers (82801) PCI Conf. Address Register Reset PCI Conf. Value Addr. Register 00-01h Vender ID 8086h 0F..1Fh Reserved 02-03h Device ID [1] 20-23h BMIDE Base Address 04-05h PCI Command 0000h 2C, 2Dh Subsystem Vender ID 06-07h PCI Status 0280h 2E, 2Fh Subsystem ID 08h Revision ID 00h 30..3Fh Reserved 09h Programming 80h 40-43h Pri./Sec. IDE Timing 0Ah Sub-Class 01h 44h Slave IDE Timing 0Bh Base Class Code 01h 48h Sync. DMA Control 0Dh Master Latency Timer 00h 4A-4Bh Sync. DMA Timing 0Eh Header Type 00h 54h EIDE I/O Config.Register NOTE: [1] ICH8 = 244Bh; ICH8 = 24CBh Reset Value 0's 1 0000h 0000h 0's 0's 00h 00h 0000h 00h 5-2 www.hp.com Technical Reference Guide