Epson 486C - Manual (Page 5)

EPSON Endeavor 486C
VGA Feature Connector (CN14)
System l/O Address Map
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
DMA5
DMA6 Cascade for DMA controller
Spare (16-bit)
spare (16-bit)
DMA7 spare (16-bit)
Hardware Interrupts
IRQ no.
IRQ0
IRQ1
IRQ3
IRQ4 Function
Timer output
Keyboard
Serial port 2
Serial port 1
IRQ5 Available parallel port 2)
I
IRQ6 FDD controller
IRQ7
IRQ8 Parallel port 1
I Real-time clock
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
Available
Available
Available
PS/2 compatible mouse, optional pointing devices
Math coprocessor
HDD controller
Available
7/15/93
EPSON Endeavor 486C-5