1

Board Description and Memory Maps

Table 1-5below and Table 1-6 on page 1-18describe the "Local I/O Devices" portion of the local bus main memory map for the 200/300-Series and 400/500-Series MVME172, respectively.

Table 1-5. 200/300-Series MVME172 Local I/O Devices Memory Map

Address Range

Devices Accessed

Port

Size

Notes

 

 

Width

 

 

 

 

 

 

 

$FFF00000 - $FFF3FFFF

Reserved

- -

256K

4

 

 

 

B

 

 

 

 

 

 

$FFF40000 - $FFF400FF

VMEchip2 (LCSR)

D32

256B

1, 3

 

 

 

 

 

$FFF40100 - $FFF401FF

VMEchip2 (GCSR)

D32-D8

256B

1, 3

 

 

 

 

 

$FFF40200 - $FFF40FFF

Reserved

- -

3.5KB

4, 5

 

 

 

 

 

$FFF41000 - $FFF41FFF

Reserved

- -

4KB

4

 

 

 

 

 

$FFF42000 - $FFF42FFF

MC2 chip

D32-D8

4KB

1

 

 

 

 

 

$FFF43000 - $FFF430FF

MCECC #1

D8

256B

1, 8

 

 

 

 

 

$FFF43100 - $FFF431FF

MCECC #2

D8

256B

1, 8

 

 

 

 

 

$FFF43200 - $FFF43FFF

MCECCs (repeated)

- -

3.5KB

1, 5, 8

 

 

 

 

 

$FFF44000 - $FFF44FFF

Reserved

- -

8KB

4

 

 

 

 

 

$FFF45000 - $FFF45800

SCC #1 (Z85230)

D8

2KB

1, 2

 

 

 

 

 

$FFF45801 - $FFF45FFF

SCC #2 (Z85230)

D8

2KB

1, 2

 

 

 

 

 

$FFF46000 - $FFF46FFF

LAN (82596CA)

D32

4KB

1, 6

 

 

 

 

 

$FFF47000 - $FFF47FFF

SCSI (53C710)

D32-D8

4KB

1

 

 

 

 

 

$FFF48000 - $FFF57FFF

Reserved

- -

64KB

4

 

 

 

 

 

$FFF58000 - $FFF5807F

IP2 IP_a I/O

D16

128B

1

 

 

 

 

 

$FFF58080 - $FFF580FF

IP2 IP_a ID

D16

128B

1

 

 

 

 

 

$FFF58100 - $FFF5817F

IP2 IP_b I/O

D16

128B

1

 

 

 

 

 

$FFF58180 - $FFF581FF

IP2 IP_b ID Read

D16

128B

1

 

 

 

 

 

$FFF58200 - $FFF5827F

IP2 IP_c I/O

D16

128B

7

 

 

 

 

 

1-14

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Motorola manual Series MVME172 Local I/O Devices Memory Map, Address Range Devices Accessed Port Size Width