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MegaRUM PCI Motherboard User’s Guide22
Step 9 Attach Cables, Continued
J28 Reset Switch Connector J28 is a two-pin single-inline berg that is attached via a cable to an
externally-mounted reset switch.
When the reset switch is pressed, the system performs a hard reset. Pin 1 is
ground and Pin 2 is Hard Reset.
J46 Speaker Connector J46 is a four-pin single-inline berg that is optionally attached via a cable
to a standard system speaker. AMIBIOS signals hardware problems through
the speaker. Pin 1 on the motherboard is identified by the arrow on the white
box around the berg. The MegaRUM PCI motherboard also has a built-in
speaker mounted on the motherboard.
Pin Description
1 Data Out
2 Key
3 N/C
4 VCC
J40 SCSI Activity J40 is a 4-pin berg that attaches to a cable connected to the SCSI activity
indicator.
J47 System Override J47 is a 2-pin berg that attached to a system override switch.
Cont’d