Motorola MBX Series - Figure 5-3. MBX821;860 Standard Features Block Diagram

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Functional Description
5
Figure 5-3. MBX821/860 Standard Features Block Diagram
PCI
ARBITER
83C553
WINBOND
2143 98022142 9802
QSPAN / PCI
PC/104- Plus INFC
To/From Entry Level Version
COM1
2144 9802
PCI Local Bus
PCI-to-ISA
BRIDGE
PCI-to-EIDE
INTERFACE
IRQ
CNTLR
Peripheral I/O Controller
FDC
CNTLR
FDC
CNTLR
SERIAL
PORT #1
SERIAL
PORT #2
KEYBOARD
INFC
MOUSE
INFC
PARALLEL
PORT
UTILITY CONN #2
KEYBOARD
MOUSE
COM2
IR
IDE HDR - 2x22
PC/104 INFC
FDC HDR - 2x17
PPORT
Clocks
Generator
ISA Bus
37C672
Power - 1x3
8259INT#
QSINT#
CS5
CS6
QSPAN / REG