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3. HARDWARE SETUP
8) CPU Bus Frequency Setting (DSW1–1,2,3,4)
This option tells the clock generator what frequency to send to the CPU,
DRAM, and the AGPset. This allows the selection of the CPU's Exter-
nal frequency. The CPU external frequency multiplied by the CPU
Core:External Frequency Multiple equals the CPU's Internal frequency
(the advertised CPU speed). NOTE: You may set the memory speed
independently from the CPU External Frequency. Depending on your
memory type PC66 (66MHz) or PC100 (100MHz), select the appropri-
ate "RAM" speed along with the appropriate "CPU" speed.
9) Memory Transfer Mode Setting (DSW1–5)
You can set the memory clock frequency to be in synchronous or asynchronous
mode with respect to the CPU external frequency.
MES
MES CPU External
Frequency Setting
22
8
7
6
5
DSW1
(SYNC)
CPU
66.82MHz
DIMM
66.82MHz
PCI
33.41MHz
8
7
6
5
(SYNC)
CPU
100.23MHz
DIMM
100.23MHz
PCI
33.41MHz
8
7
6
5
(SYNC)
CPU
120.00MHz
DIMM
120.00MHz
PCI
40.00MHz
8
7
6
5
(SYNC)
140.00MHz
CPU
140.00MHz
DIMM
35.00MHz
PCI
8
7
6
5
(ASYNC)
R
66.82MHz
CPU
DIMM
100.23MHz
33.41MHz
PCI
8
7
6
5
(ASYNC)
100.23MHz
CPU
66.82MHz
DIMM
33.41MHz
PCI
8
7
6
5
(ASYNC)
120.00MHz
CPU
80.00MHz
DIMM
40.00MHz
PCI
8
7
6
5
(ASYNC)
140.00MHz
CPU
DIMM
93.33MHz
35.00MHz
PCI
ASUS MES User's Manual
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
75.00MHz
90.00MHz
75.00MHz
90.00MHz
37.50MHz
30.00MHz
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
105.00MHz
112.00MHz
105.00MHz
112.00MHz
35.00MHz
37.33MHz
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
124.00MHz
130.00MHz
124.00MHz
130.00MHz
31.00MHz
32.50MHz
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
144.97MHz
150.00MHz
145.00MHz
150.00MHz
36.24MHz
37.50MHz
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
75.00MHz
90.00MHz
100.00MHz
60.00MHz
37.50MHz
30.00MHz
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
105.00MHz
112.00MHz
70.00MHz
74.66MHz
35.00MHz
37.33MHz
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
124.00MHz
130.00MHz
82.67MHz
86.67MHz
31.00MHz
32.50MHz
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
ON
ON
144.97MHz
150.00MHz
96.65MHz
100.00MHz
36.24MHz
37.50MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
95.00MHz
95.00MHz
31.66MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
115.00MHz
115.00MHz
38.33MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
133.30MHz
133.30MHz
33.33MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
155.00MHz
155.00MHz
38.75MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
95.00MHz
63.33MHz
31.66MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
115.00MHz
76.66MHz
38.33MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
133.30MHz
88.87MHz
33.33MHz
5
4
3
2
1
8
7
6
5
4
3
2
1
ON
ON
155.00MHz
103.33MHz
38.75MHz
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