Owner manual

VSBC-32 Configuration
ID 21168, Rev. 04 Page 4 - 3© PEP Modular Computers GmbH
4. Configuration
4.1 Hardware Configuration
The VSBC-32(E) has fifteen jumpers fitted to the board. The list of default jumper set-
tings is shown below. A board layout with all jumper locations and pinouts is supplied in
the Board Layouts section of the Introduction chapter of this manual.
4.1.1 Wire Jumpers
The following parameters are selected via wire jumpers:
• Boot device selection (J9)
• CXC/Enhanced CXC selection (J10)
• Connection of SYSCLK to VMEbus (J11)
• Connection of on-board reset to VMEbus (J12)
• DIP socket memory type and size (J13/J14)
Default settings are in italics.
Note...
Jumpers J9 to J14 are normal wire jumpers that can be config-
ured by the user. The other jumpers are solder jumpers and are
factory set.
Table 4-1: ACFAIL, (e)CXC and Boot Device Selection, General Purpose Jumper
Jumper Settings Description
J9
Open Boot from flash on DRAM/Flash piggyback enabled
Closed Boot from flash/EPROM DIP sockets enabled
J10
Open CXC enabled
Closed Enhanced CXC enabled
J11
Open SYSCLK disconnected from VMEbus
Closed SYSCLK connected to VMEbus
J12
Open On-board RESET generator not to VMEbus
Closed On-board RESET generator to VMEbus
Table 4-2: DIP Socket Memory Selection
J13 J14 Description
Open Open EPROM 256kB/512kB (2x 27C010 or 2x 27C020)
Open 1-2 EPROM 1MB (2x 27C040)
1-2 1-2 EPROM 2MB (2x 27C080)
Open 1-3 Flash 12V (read only) 256kB/512kB (2x 28F010 or 2x 28F020)
1-3 1-3 Flash 5V (read/write) 256kB/1MB (2x 29F010 or 2x 29F040)