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System Memory
Data Interface
: 32-bit memory access
Cache Memory
: 64KB or optional 128KB
Memory Bank Configurations
NO.
BANK 0
1
256K
2
256K
3
256K
4
256K
5
1M
6
IM
7
1M
8 1M
9
1M
10
1M
11
IM
12
IM
13
1M
BIOS ROM
CMOS RAM
BANK
1
BANK 2
0
0
256K
0
256K
256K
256K
256K
256K
0
256K 256K
256K 256K
1M
0
1M
256K
1M
256K
1M 1M
1M
1M
1M 1M
: 64K-byte
: 128-byte
System I/0
DMA Channels:
8-bit operations - 4 channel
16-bit operations - 3 channel
Address space - 16MB
Programmable Timers: 3
Vectored Interrupt Levels: 15
BANK 3
SIZE
0
1M
0
2M
0
3M
256K
4M
0
5M
0
6M
256K
7M
0
8M
0
9M
256K
10M
0
12M
256K
13M
1M
16M
Specifications A-3