C200 datasheet(28/82 Pages) INTEL

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Specification Clarifications

Specification Update

signal low independently (without RTCRST# also being driven low) may cause the

platform to enter an indeterminate state. Similar to RTCRST#, it is imperative that

SRTCRST# not be pulled low in the S0 to S5 states.

See Figure 2-2 which demonstrates the proper circuit connection of these pins.

PPM of 25 MHz Option for CLKOUTFLEX2

The following note is added to table 4-2 and applies to CLKOUFLEX2:

The 25 MHz output option for CLKOUTFLEX2 is derived from the 25 MHz crystal input to

the PCH. The PPM of the 25 MHz output is equivalent to that of the crystal.

SATA Alternate ID Enable Definition Update

Section 14.1.33 D31:F2:Offset 9Ch is changed as follows:

a. Name of register is changed from SCLKGC-SATA Clock General Configuration

b. Bit 7 is redefined as shown:

Bit

Description

(non-RAID

Capable

SKUs

Only)

Reserved

(RAID

Capable

SKUs

Only)

Alternate ID Enable (AIE) — R/WO.

0 = Clearing this bit when in RAID mode, the SATA Controller located at Device 31:

Function 2 will report its Device ID as 2822h for all Desktop SKUs of the PCH

or 282Ah for all Mobile SKUs of the PCH. Clearing this bit is required for the

Intel® Rapid Storage Technology driver (including the Microsoft* Windows

Vista* OS and later in-box version of the driver) to load on the platform. Intel®

Smart Response Technology also requires that the bit be cleared in order to be

enabled on the platform.

1 = Setting this bit when in RAID mode, the SATA Controller located at Device 31:

Function 2 will report its Device ID as called out in the table below for Desktop

SKUs or 1C05h for all Mobile SKUs of the chipset. This setting will prevent the

Intel Rapid Storage Technology driver (including the Microsoft Windows* OS

in-box version of the driver) from loading on the platform. During the Microsoft

Windows OS installation, the user will be required to "load' (formerly done by

pressing the F6 button on the keyboard) the appropriate RAID storage driver

that is enabled by this setting.

This field is reset by PLTRST#. BIOS is required to reprogram the value of this bit

after resuming from S3, S4 and S5.

D31:F2 Configured in RAID Mode with AIE = 1 (Desktop Only)

Feature Vector Register 0 (FVEC0)

D31:F2 Dev ID

RAID Capability Bit 1

RAID Capability Bit 0

Not applicable

101C04h

111C06h

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