System memory, System i/o, System i/0 – Kreisen 3 8 6 X / X E User Manual

Page 152

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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

I M

7

1M

8

1M

9

1M

10

1M

11

I M

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

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