Seagate ST31230N/ND Installationsanleitung Seite 194

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14-4 Troubleshooting startup problems
Normal startup sequence
Standard 1.0 Option 11 EC Installation and Maintenance Guide November 1999
Hexadecimal display
on the Enhanced
MMP40 or MMP40 card
Reading the
hexadecimal display
On the upper front edge of the Enhanced MMP40 or MMP40
card is a display that shows a hexadecimal digit (0–9, and A
to F) with an optional decimal point on either side of it. The
display provides information for diagnosing some system
problems in the field.
When the hardware is powered up, the display initially shows
both decimal points illuminated and the remainder of the
display blank. This “. .” state is the power-on indication. On a
normally functioning Enhanced MMP40 or MMP40 board,
this state will generally not be seen because of the very quick
transition to the “.0” state.
Hexadecimal Display
Reset
button
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