Specifications

EPC-33/34 Hardware Reference
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Figure 2-1. Location of EPC-33/34 Jumpers.
BIOS Jumpers
There are three BIOS jumpers and one video jumper that may or may not be required
before you install or mount the EPC-33/34.
JP4 BIOS Boot Block write enable. This jumper must be installed in order to write
to the BIOS Boot Block. Note that JP5 must also be enabled to write to the
BIOS.
JP5 BIOS write enable. This jumper must be installed in order to write to the
BIOS, such as when saving CMOS configuration information.
JP6 Force BIOS Recovery. This jumper is not routinely installed. It is used to force
a BIOS recovery during the boot process.
JP7 Monochrome CRT. This jumper must be installed in order to use an external
IBM Monochrome Display Adapter (MDA) compatible graphics card.
Video Jumpers
If you are using a flat panel display, you must set jumpers JP1-JP3 to configure the
EPC-33/34 for use with your particular flat panel.