Jumpers - RadiSys EPC-26A/27 Manual

3
EPC-26A/27 Hardware Reference
Gently lift
etaining clip
3
Replacing the battery is a simple task. However, it is recommended that all setup
parameters (especially hard disk drive info pertaining to number of heads and
cyclinders) be written down while the battery is still good.

Jumpers

There are four jumpers on the EPC-26A/27 used primarily with the Flash formatting
operation. The jumpers, which are located near the card edge and next to the SIMM
socket, are show below.
H2 Reserved for future use.
H3 Use to enable writing to flash
H4 Do not use
H5 Forces a hosted re-flash of the BIOS. Must jumper H3 also.
Page 24
2. Slide battery
in/out in line with
the direction of the
retaining clip.
Figure 3-3. Battery Replacement.
BIOS Boot Block Update (Reserved)
H2
Write Enable
H3
Manufacturing Jumper - Do not use
H4
H5
Force BIOS Update