VSBC-32
Memory Piggybacks
ID 21168, Rev. 04
Page A - 8
©
PEP Modular Computers GmbH
A.6 DM604
The DM604 is a memory piggyback fitted with:
•
DRAM: 8 MB
•
FLASH MEMORY:1or 4 MB
A.6.1
Board Layout and Jumper Location
A.6.2
Jumper Description and Flash Addresses
Table A-6: Jumpers: J1 and J2 Settings and Flash Memory Address Ranges
Setting
Description
1MB Flash
4MB Flash
J1
Set
No Protection
Open
Flash Bank 0: Write protected
Flash Bank 0: Address Range
Lower 512 KB
0x04000000 -
0x04080000
Lower 2 MB
0x04000000 -
0x04200000
J2
Set
No Protection
Open
Flash Bank 1: Write protected
Flash Bank 1: Address Range
Upper 512 KB
(1MB only)
0x04080000 -
0x04100000
Upper 2 MB
0x04020000 -
0x04400000
Figure A-5: DM604 Mem-
ory Piggyback
Legend:
1. Flash Memory
2. DRAM
J2
J1
1
1
2
50
49
1
2
50
49
2
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