SC2200 datasheet(265/433 Pages) NSC

265 / 433 page

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Core Logic Module (Continued)

Index 48h-4Bh

Channel 0 Drive 1 PIO Register (R/W)

Reset Value: 00009172h

Channel 0 Drive 1 Programmed I/O Control Register. See F2 Index 40h for bit descriptions.

Index 4Ch-4Fh

Channel 0 Drive 1 DMA Control Register (R/W)

Reset Value: 00077771h

Channel 0 Drive 1 MDMA/UDMA Control Register. See F2 Index 44h for bit descriptions.

Note:

The PIO Mode format is selected in F2 Index 44h[31], bit 31 of this register is defined as reserved.

Index 50h-53h

Channel 1 Drive 0 PIO Register (R/W)

Reset Value: 00009172h

Channel 1 Drive 0 Programmed I/O Control Register. See F2 Index 40h for bit descriptions.

Index 54h-57h

Channel 1 Drive 0 DMA Control Register (R/W)

Reset Value: 00077771h

Channel 1 Drive 0 MDMA/UDMA Control Register. See F2 Index 44h for bit descriptions.

Note:

The PIO Mode format is selected in F2 Index 44h[31], bit 31 of this register is defined as reserved.

Index 58h-5Bh

Channel 1 Drive 1 PIO Register (R/W)

Reset Value: 00009172h

Channel 1 Drive 1 Programmed I/O Control Register. See F2 Index 40h for bit descriptions.

Index 5Ch-5Fh

Channel 1 Drive 1 DMA Control Register (R/W)

Reset Value: 00077771h

Channel 1 Drive 1 MDMA/UDMA Control Register. See F2 Index 44h for bit descriptions.

Note:

The PIO Mode format is selected in F2 Index 44h[31], bit 31 of this register is defined as reserved.

Index 60h-FFh

Reserved

Reset Value: 00h

Table 5-35. F2: PCI Header/Channels 0 and 1 Registers for IDE Controller Configuration (Continued)

Bit

Description

SC2200 Datasheet(PDF) 265 Page - National Semiconductor (TI)