Figure 5-3. Mbx821/860 Standard Features Block Diagram - Motorola MBX Series Installation And Use Manual

Functional Description
To/From Entry Level Version
5

Figure 5-3. MBX821/860 Standard Features Block Diagram

5-4
8259INT#
QSINT#
CS5
QSPAN / PCI
QSPAN / REG
CS6
PCI-to-ISA
BRIDGE
Peripheral I/O Controller
FDC FDC
CNTLR CNTLR
COM1
SERIAL
PORT #1
SERIAL
PORT #2
KEYBOARD
INFC
MOUSE
INFC
PPORT
PARALLEL
PORT
Clocks
Generator
PC/104- Plus INFC
PCI Local Bus
83C553
WINBOND
PCI
ARBITER
PCI-to-EIDE
INTERFACE
IRQ
CNTLR
IDE HDR - 2x22
ISA Bus
PC/104 INFC
37C672
FDC HDR - 2x17
UTILITY CONN #2
Computer Group Literature Center Web Site
Power - 1x3
KEYBOARD
MOUSE
COM2
IR
2144 9802 2142 9802 2143 9802