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參數(shù)資料
| 型號： | W83194AR-We |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 200MHZ Clock For Whitney Chipset(用于英特爾的WHITNEY型芯片組的頻率為200MHZ時鐘) |
| 中文描述： | 200MHz的時鐘惠特尼芯片組（用于英特爾的惠特尼型芯片組的頻率為200MHz的時鐘） |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 270K |
| 代理商： | W83194AR-WE |
W83194AR-We
PRELIMINARY
Publication Release Date: Nov. 1999
- 9 - Revision 0.50
6.4 Register 3: CPU Clock Register (1 = Active, 0 = Inactive)
Bit
@PowerUp
Pin
Description
7
X
1
-
7
FS0#
3V66_0(Active / Inactive)
6
5
1
8
3V66_1(Active / Inactive)
4
X
1
-
FS1#
IOAPIC(Active / Inactive)
3
47
2
1
44
CPUCLK1 (Active / Inactive)
1
1
43
CPUCLK0 (Active / Inactive)
0
X
-
FS2#
6.5 Register 4: Control Register (1 = Active, 0 = Inactive)
Bit
7
6
5
@PowerUp
0
0
0
Pin
-
-
Description
SSEL3 (Frequency table selection by software via I
2
C )
SSEL2 ( Frequency table selection by software via I
2
C)
SSEL1 ( Frequency table selection by software via I
2
C)
SSEL0 ( Frequency table selection by software via I
2
C)
0 = Selection by hardware
1 = Selection by software I
2
C - Bit (1,2, 4:6)
SSEL4 (Frequency table selection by software via I
2
C )
SSEL5 (Frequency table selection by software via I
2
C )
-
-
-
4
3
0
0
2
1
0
0
0
-
-
0
-
Reserved
6.6 Register 5: Control Register (1 = Active, 0 = Inactive)
Bit
@PowerUp
Pin
Description
7
0
-
0 =
±
0.5% Center type Spread Spectrum Modulation
1 =
±
0.75% Center type
Spread Spectrum Modulation
SKEW2(SDRAM to CPU Skew programming bit)
6
1
-
5
0
-
SKEW1(SDRAM to CPU Skew programming bit)
4
0
-
SKEW0(SDRAM to CPU Skew programming bit)
3
X
X
0
-
-
-
FS3#
FS4#
0 = Normal
1 = Spread Spectrum enabled
APIC_SEL#
2
1
0
X
-
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