2 dm601, 1 configuration – Kontron VM62 User Manual
Page 46

Chapter 4 Memory Piggybacks
VM62(A) / VM42(A) User’s Manual
Jumper J2: Flash Chip Size
S e t t i n g
Description
1-2
4 Mbit Flash chips fitted
1-3
1 Mbit Flash chips fitted
4.2 DM601
4.2.1 Configuration
The DM601 is a memory piggyback fitted with 16MByte DRAM and either 1 or 4MByte Flash EPROM. Two
configurable jumpers are present on the board, indicating if write protection is enabled or disabled and whether 1MBit or
4MBit Flash EPROM chips are fitted.
Figure 4.2.1.1: DM601 Jumper Layout (Component Side)
J1
4 3 2
1
J2
3
1
2
Flash
Bank 0
Bank 1
Jumper J1: Flash Write Protection
S e t t i n g
Description
1 MB Flash
( 2 9 F 0 1 0 )
4 MB Flash
( 2 9 F 0 4 0 )
Open
All Flash EPROM write protected
1-2
No protection
Default
1-3
Flash bank 1 write protected
upper 512 kB
($40080000 -
$40100000)
upper 2 MB
($40200000 -
$40400000)
1-4
Flash bank 0 write protected
lower 512 kB
($40000000 -
$40080000)
lower 2 MB
($40000000 -
$40200000)
Page 4-2
©1995 PEP Modular Computers
May 17, 1996