2-8
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
2.5
Memory
64-bit, four uni/bilateral SIMM sockets for the card types Fast Page Mode or
Extended Data Out (EDO) are provided. Only use SIMM cards with an
access time of 60 ns or lower.
Do not operate your system with both Fast Page and EDO cards.
Only use memory cards recommended for SIMATIC PCs or programming
devices. Your dealer will tell you which cards you can use.
Recommended memory expansion cards:
8 MB (2*4MB card)
16 MB (2*8MB card)
32 MB (2*16MB card)
64 MB (2*32MB card)
128 MB (4*32MB card)
Pairs can be combined
Only plug memory cards of the same type and make into an expansion slot.
Memory configuration
Memory cards in
expansion slot
1/2
Memory cards in
expansion slot
3/4
8 MB
empty
2
*
4 MB
16 MB
empty
2
*
8 MB
16 MB
2
*
4 MB
2
*
4 MB
32 MB
empty
2
*
16 MB
32 MB
2
*
8 MB
2
*
8 MB
64 MB
empty
2
*
32 MB
64 MB
2
*
16 MB
2
*
16 MB
128 MB
2
*
32 MB
2
*
32 MB
Memory
Configuration
Motherboard
