Kontron VM62 - Manual (Page 45)

VM62(A) / VM42(A) User’s Manual Chapter 4 Memory Piggybacks
4
4. M EMORY P IGGYBACKS
4.1 DM600
4.1.1 Configuration
The DM600 is a memory piggyback fitted with 4MByte 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 4.1.1.1: DM600 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)
May 17, 1996 © 1995 PEP Modular Computers Page 4-1