FW82801EB Intel, FW82801EB Datasheet - Page 445

• Manufacturer Part Number: FW82801EB
• Manufacturer: Intel

Specifications of FW82801EB

• Lead Free Status / RoHS Status: Not Compliant

11.1.22
Intel
®
82801EB ICH5 / 82801ER ICH5R Datasheet
Note: This register is R/W to maintain software compatibility and enable parallel ATA functionality
SDMA_CNT—Synchronous DMA Control Register
(SATA–D31:F2)
Address Offset:
Default Value:
when the PCI functions are combined. These bits have no effect on SATA operation unless
otherwise noted.
Bit
7:4
3
2
1
0
Reserved
Secondary Drive 1 Synchronous DMA Mode Enable (SSDE1) — R/W.
0 = Disable (default)
1 = Enable Synchronous DMA mode for secondary channel drive 1
Secondary Drive 0 Synchronous DMA Mode Enable (SSDE0) — R/W.
0 = Disable (default)
1 = Enable Synchronous DMA mode for secondary drive 0.
Primary Drive 1 Synchronous DMA Mode Enable (PSDE1) — R/W.
0 = Disable (default)
1 = Enable Synchronous DMA mode for primary channel drive 1
Primary Drive 0 Synchronous DMA Mode Enable (PSDE0) — R/W.
0 = Disable (default)
1 = Enable Synchronous DMA mode for primary channel drive 0
48h
00h
Description
Attribute:
Size:
SATA Controller Registers (D31:F2)
R/W
8 bits
445