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Operating Instructions
The following table focuses on the Local Devices portion of the Memory Map.
Address Range
3
$FFF00000 - $FFF00FFF
$FFF01000 - $FFF01FFF
$FFF02000 - $FFF02FFF
$FFF03000 - $FFF03FFF
$FFF04000 - $FFF04FFF
$FFF05000 - $FFF05FFF
$FFF06000 - $FFF06FFF
$FFF07000 - $FFF07FFF
$FFF08000 - $FFF3FFFF
$FFF40000 - $FFF400FF
$FFF40100 - $FFF401FF
$FFF40200 - $FFF40FFF
$FFF41000 - $FFF41FFF
$FFF42000 - $FFF42FFF
$FFF43000 - $FFF43FFF
$FFF44000 - $FFF44FFF
$FFF45000 - $FFF45FFF
$FFF46000 - $FFF46FFF
$FFF47000 - $FFF47FFF
$FFF48000 - $FFF4FFFF
$FFF50000 - $FFF6FFFF
$FFF70000 - $FFF77FFF
$FFF78000 - $FFF7FFFF
$FFF80000 - $FFFBFFFF
$FFFC0000 - $FFFCFFFF
$FFFD0000 - $FFFEFFFF
N
otes
3-4
Table 3-2. Local Devices Memory Map
Devices Accessed
BusSwitch
ECDM (DCAM access)
reserved
reserved
reserved
reserved
reserved
User defined
reserved
VMEchip2 (LCSR)
VMEchip2 (GCSR)
reserved
reserved
PCCchip2
reserved
reserved
CD2401 (Serial Comm. Cont.)
82596CA (LAN)
53C710 (SCSI)
reserved
reserved
reserved
reserved
DROM (BOOT ROM)
MK48T08 (BBRAM,TOD Clk)
reserved
1. For a complete description of the register bits, refer to
the appropriate data sheet for the specific chip. For a
more detailed memory map refer to the following
detailed peripheral device memory maps.
Port Size
Size
Notes
D64-D8
4KB
---
4KB
---
4KB
---
4KB
---
4KB
---
4KB
---
4KB
---
4KB
---
224KB
D32
256B
1,2,3
D32-D8
256B
1,2,3
---
3.5KB
---
4KB
D32-D8
4KB
---
4KB
---
4KB
D16-D8
4KB
D32
4KB
1,2,6
D32/D8
4KB
---
32KB
---
128KB
---
32KB
---
288KB
---
256KB
D32-D8
64KB
---
128KB
User's Manual
1
1
4
4
4
4
4
4
4
4,5
4
1,2
4
3
1,2
1,2
4
4
4
4
7
1,2
4
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