AT&T 6386 WGS, Installation And Maintenance Manual

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Onboard RAM Configuration Jumpers
If additional memory has been added to the motherboard, the onboard
RAM configuration must be set to 8 MB.
On the 6386/25 WGS:
1 Leave the jumper between pins E60 and E62 in place.
2 Place an additional jumper between pins E61 and E63. Spare jumpers
are packed in the plastic bag with the power cord.
On the 6386E/33 WGS:
1
Leave the jumper between pins E6 and E8 in place.
2 Remove the jumper between pins El 1 and El 3 and place it between
pins E7 and E9.
Serial Port Configuration Jumpers
Serial port COM2 must be disabled since its interrupt request (IRQ) will be
used by another board.
On the 6386/25 WGS, remove the jumper between pins E25 and E26, and
place it between pins E26 and E27.
On the 6386E/33 WGS, remove the jumper between pins E34 and E35, and
place it between pins E35 and E36.
Hardware Installation 2-29