Epson Equity 4 User Manual page 49

Adapter, CMOS, and PQFP jumper settings
* Factory setting
** Two pin jumpers
Processor jumper settings
Processor type
486SX (in OverDrive socket)
487SX (in OverDrive socket) or
486SX PQFP
466DX (in OverDrive socket)
You to change the processor jumper settings
need
upgrade your system by installing a new processor chip. Make
sure the jumper settings for J10, J11, and J12 correspond to the
type of chip you installed.
Function
Supports CGA adapters
Supports monochrome, EGA, MCGA. and VGA
adapters
Enables the built-in VGA display adapter
Disables the built-in VGA display adapter so you
can use a display adapter on an option card In
your computer as your primary adapter
Returns CMOS RAM to the factory settings
Retains SETUP program settings
Enables the PQFP SX/25 processor
Disables the PQFP SX/25 processor
J10
2-3
1-2
1-2
Installing and Removing Options
J11 J12
2-3 Off
1-2
2-3
1-2 1-2
when you
2-7