Epson Endeavor 486C Produktinformation Handbuch - Seite 5
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VGA Feature Connector (CN14)
VGA Feature Connector Pin Assignments
*Active low logic
DMA Assignments
Level
Assigned device
DMA0
Spare (8-bit)
DMA1
Spare (8-bit)
DMA2
Diskette drive controller (8-bit)
DMA3
Spare (8-bit)
DMA4
Cascade for DMA controller
DMA5
Spare (16-bit)
DMA6
spare (16-bit)
Hardware Interrupts
IRQ no.
Function
IRQ0
Timer output
IRQ1
Keyboard
IRQ3
Serial port 2
IRQ4
Serial port 1
IRQ7
IRQ8
I Real-time clock
IRQ9
Available
IRQ10
Available
IRQ11
Available
IRQ12
PS/2 compatible mouse, optional pointing devices
IRQ13
Math coprocessor
IRQ14
HDD controller
IRQ15
Available
System l/O Address Map
I
7/15/93
EPSON Endeavor 486C
EPSON Endeavor 486C-5