Kontron VM62 - 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