Technical data

Functional Description
Overview
2-8
Memory Map
Table 2-3 shows the Main Memory Map for the Model 743.
Table 2-3 Main Memory map
Low
Address
High
Address
Size Chip Description
F000 0000 F01F FFFF 2M I/O ASIC I/O ASIC #1 space
F020 0000 F020 7FFF 32K EISA
ASIC
EISA, ASIC non-EISA reg-
isters (HPIB, HIL, RS-232)
F020 8000 F027 FFFF 480K VME
ASIC
Future Use
F028 0000 F029 FFFF 128K VME
ASIC
PCMCIA
F02A 0000 F02F FFFF 384K Future Use
F030 0000 F031 FFFF 128K VME
ASIC
VME ASIC #2 space,
VME registers
F032 0000 F03F FFFF 896K Future Use
F040 0000 F07F FFFF 4M VME VME I/O space
F080 0000 F3FF FFFF 56M VME/PCI VME/PCI I/O space
F400 0000 F5FF FFFF 32M Graphics
ASIC
Graphics Slot 2
F600 0000 F7FF FFFF 32M Graphics
ASIC
Graphics Slot 3
F800 0000 F9FF FFFF 32M Graphics
ASIC
Graphics Slot 1
FA00 0000 FBFF FFFF 32M Graphics
ASIC
Graphics Slot 4
FC00 0000 FFBF FFFF 60M EISA
ASIC
EISA
FF80 0000 FF90 FFFF 1M I/O ASIC I/O ASIC #3 space
FFC0 0000 FFC1 FFFF 128K VME
ASIC
VME ASIC #1,
VME registers
FFC0 0000 FFD0 FFFF 1M I/O ASIC I/O ASIC #4 space