24
Connectors & Jumpers
2.3
Jumpers
Clear CMOS Jumper (CLRTC)
The CMOS RAM data contains the date/time and BIOS setting
information. CMOS is powered by the onboard button cell battery.
To erase the CMOS RAM data:
1. Disconnect power from the M-322
2. Short the CLRTC pins 2-3
3. Turn the power on. After power on, remove the jumper
cap from pins 2-3 and reinstall it to pins 1-2.
COM1-4 RI, +12V and +5V Select (JCOMPWR1-4)
These jumpers allows you to select RI, +5V and +12V power set-
tings for COM1-4. Jumper JCOMPWR1 corresponds to COM1,
JCOMPWR2 corresponds to COM2, and so on, respectively.
Normal
(default)
Clear CMOS
+12V
RI
(default)
+5V
Summary of Contents for M-322
Page 6: ...vi Preface This page intentionally left blank ...
Page 9: ...Table of Contents ix M 322 Important Safety Instructions 77 Getting Service 79 ...
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Page 12: ...xii List of Figures This page intentionally left blank ...
Page 14: ...xiv List of Tables This page intentionally left blank ...
Page 26: ...12 Introduction Figure 1 5 M 322 I O Shield Dimensions Dimensions in mm ...
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Page 58: ...44 BIOS Setup AHCI Settings System Information ...
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