Owner manual

Appendix Memory Piggybacks
4
July 19, 1997 Page MEM- 6© PEP Modular Computers
5 DM604
The DM604 is a memory piggyback fitted with 8MByte DRAM and either 1 or 4MByte Flash EPROM.
5.1 Jumper Location
Jumper J1, J2: Flash Write Protection
Setting Descirption
1 MB FLASH
8 x 29F010
4 MB FLASH
8 x 29F040
J1, J2 open All Flash EPROM write protected
J1, J2 set No Protection Default
J1 open Flash bank 1 write protected
Default address range
upper 512 kB
($4008000-
$40100000)
upper 2 MB
($4020000-
$40400000)
J2 open Flash bank 0 write protected
Default address range
lower 512 kB
($4000000-
$40080000)
lower 2 MB
($4000000-
$40200000)
FLASH
Bank 1
Bank 0
J1J2