User guide

Hardware Information
16
Figure 1-1 Block Diagram of Controller Board
DEVICE 0
DEVICE 1
FC_AL ISP
FC_AL ISP
64 BIT DEVICE PCI
Cache SDRAM
1 DIMM
128 - 256 MB
64 Bit
64 Bit
64 Bit
32 Bit
32 Bit
32 Bit
I
2
C
I
2
C
Host PCI
FC_AL ISP
Host
Hardware XOR ASIC
PCI Bridge
CS SDRAM
32MB
21285 Footbridge
SA110
Main CPU
PLD
BBU
Flash
PROM
2MB
Flash
Emulator
Board
NVRAM
I
2
C
Controller
To
DIMM
To CS and
Cache SDRAM
PCI