NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 502

• Manufacturer Part Number: NH82801GHM S L8YR
• Manufacturer: Intel

Specifications of NH82801GHM S L8YR

• Lead Free Status / RoHS Status: Compliant

12.1.23
Note:
502
SDMA_CNT—Synchronous DMA Control Register
(SATA–D31:F2)
Address Offset: 48h
Default Value:
This register is R/W to maintain software compatibility and enable parallel ATA
functionality when the PCI functions are combined. These bits have no effect on SATA
operation unless otherwise noted.
7:4
Bit
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
00h
SATA Controller Registers (D31:F2) (Desktop and Mobile Only)
Description
Attribute:
Size:
Intel
R/W
8 bits
®
ICH7 Family Datasheet