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SW
1
X
X1.5
O
X2
O
X2.5
X
X3
X
X3.5
O
X4
O
X4.5
X
X5
X
X5.5
O
X6
JP2
JP1
2-3
2-3
1-2
2-3
1-2
2-3
1-2
1-2
1-2
1-2
1-2
1-2
1-2
1-2
1-2
2-3
1-2
2-3
2-3
1-2
2-3
1-2
2-3
2-3
2-3
2-3
♦Note: It' s strongly recommended that set the system speed according to your
hardware configuration: CPU, SDRAM, Cards, etc.
♦Note: If Cyrix 6x86 is being used, please check the CPU Date Code after 605.
3.7. CMOS RTC & ISA CFG CMOS SRAM
Built-in Real Time Clock (RTC) With 256B CMOS SRAM in M5819.
3.8. SPEAKER CONNECTOR INSTALLATION
There is a speaker in AT system for sound purpose. The 4 - Pins connector SPK is
2
3
X
X
X
X
O
X
O
X
X
X
X
O
O
O
O
O
X
O
X
X
JP14
JP16
2-3
2-3
2-3
2-3
2-3
1-2
1-2
1-2
1-2
1-2
1-2
1-2
1-2
3-7
Hardware Installation
MHz
X
66M
O
75M
X
83M
O
95M
X
100M
X
105M
O
110M
X
115M
O
120M
X
125M
O
130M
X
135M
O
140M
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