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K System Controller Gate Array (SCPCNT-GA)
This gate array has the following functions:
•
CPU control
-
SMI control
-
CPU clock control
•
Memory control
-
64-bit bus memory control
-
32-bit bus memory control
•
Bus control
-
64-bit data bus <==>32-bit data bus
-
32-bit local bus control
•
Address latch control
•
I/O register control
•
Processing speed control
K ISA Bus Controller Gate Array (SISCNT3-GA)
This gate array has the following functions:
•
Bus control
-
32-bit data bus <==> 16-bit data bus
-
ISA bus interface control
-
ISA bus access control
-
DMAC control
-
DMA address generation
-
I/O control
-
Suspend/Resume sequence
•
Memory control
-
ISA bus interface control
-
Refresh address generation
•
I/O register control
•
Suspend/Resume sequence
K PC Card Controller Gate Array (PCMCIA CNT-GA)
This gate array has the following functions:
•
PCMCIA memory card control
•
PCMCIA I/O card control
K I/O Controller Gate Array (IOCNT-GA)
This gate array has the following functions:
•
Internal Communication controller
-
KBC, main CPU communication register file
-
KBC interrupt controller
-
KBC communication controller
2
-
I
C bus control (Not used)
•
Others
-
Speaker volume adjust PWM control
-
Sound board interface (Not used)
-
BIOS-ROM interface
-
SMI control
-
IrDA (SIR) control (Not used)
1-6
100CS
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Troubleshooting
