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EPSON Endeavor 4SX/25, 4DX/33, and 4DX2/50
VGA Feature Connector (CN8)
System I/O Address Map
VGA Feature Connector Pin Assignments
‘Active low logic
DMA Assignments
Level
Assigned device
DMA0 Spare (&bit)
DMA1
Spare (&bit)
DMA2 FDD controller (&bit)
DMA3
Spare (8-bit)
DMA5
Spare (16-bit)
DMA6
Spare (16-bit)
DMA7
Spare (16-bit)
Hardware Interrupts
IRQ no.
IRQ0
IRQ1
IRQ3
Function
Timer output
Keyboard
Serial port 2
IRQ4
IRQ5
IRQ6
Serial port 1
Available (parallel port 2)
FDD controller
4/1/93
EPSON Endeavor-5