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
J1
J2
Summary of Contents for VM162
Page 2: ......
Page 6: ...VM162 VM172 Table of Contents Page TOC 4 PEP Modular Computers Juli 23 1997 ...
Page 7: ...VM162 VM172 Juli 23 1997 Page 0 1 PEP Modular Computers Preface ...
Page 12: ...VM162 VM172 Chapter 1 Introduction Page 1 2 PEP Modular Computers Juli 23 1997 ...
Page 62: ...VM162 VM172 Chapter 3 Configuration Page 3 2 PEP Modular Computers Juli 23 1997 ...
Page 72: ...VM162 VM172 Chapter 4 Programming Page 4 2 PEP Modular Computers July 19 1997 ...
Page 117: ...3 OS 9 System Modem 3 1 15 pin Connector 3 2 8 pin RJ45 Connector SMART I O ...
Page 119: ...4 2 Hardware Handshake 4 2 1 15 pin Connector 4 2 2 8 pin RJ45 Connector SMART I O ...