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Amiga Technical References

GVP 22MHz 68030 Combo Accelerator Jumper Settings
Jumper Settings for the 22 Mhz. 030-Combo

Jumper     Default      Description
J3         OPEN         Disables 68030 MMU when shortened.
J4         SHORTED      when no SCSI devices are connected.
           OPEN         when SCSI drive is connected, to enable autobooting.
J6         OPEN         Disables 68030CPU and bootup in 68000
                        model when shorted.
J7         SHORTED      Reserved. 68030 Cache control.
J8         OPEN         Reserved. Select offset of code in EPROM.
J9         SHORTED      Disable EPROM code when open.
J10        OPEN         See RAM expansion tables in Chapter 3.
                        All extended RAM when shorted.
J13        SHORTED      See RAM expansion tables in Chapter 3.
                        Default is all Auto-Config RAM, 1MB SIMMs only.
J11        OPEN         Reserved
J12        SHORTED      Reserved
J14        OPEN         Reserved
J15        SHORTED      Reserved
J16        OPEN         Reserved
J17        SHORTED      Reserved
J18        SHORTED      Reserved
J19        SHORTED      Reserved
J20        OPEN         Reserved
J21        Pins 1 & 2   Reserved. Jumper on Pins1 & 2 (bottom two pins).
J22        SHORTED      Reserved for future use.
CN6        ---->>       LED connector for SCSI drive.
CN7        Pins 1 & 2   Reserved. Jumper on Pins 1 & 2 (top two pins).
CN8        Pins 1 & 2   Reserved. Jumper on Pins 1 & 2 (top two pins).

Copyright 2000 Amiga Auckland Inc. All rights reserved.
Revised: June 16, 2005.