Connector Pin Assignments; Dma Assignments; Hardware Interrupts - Epson ActionDesk 4000 Product Information Manual

Epson ActionDesk 4000

Connector Pin Assignments

Parallel Port Connector (CN3)
pin 25
Parallel port connector pin assignments
Pin Signal Pin Signal
1 Strobe
10
'Active low logic
Serial Port Connectors (CN4 and CN5)
Serial port connector pin assignments
Keyboard and Mouse Connectors (CN7 and CN6)
pin 6
pin 2
Keyboard and mouse connector pin assignments
1 Data
2 Resewed
3 Ground
Epson ActionDesk 4000-6
pin 14
Pin Signal
ACK * 19 Signal ground
pin 5
pin 1
4 +5 VDC
Clock
5
Reserved
6
VGA Port Connector (CN2)
pin 5
pin 10
pin 15

DMA Assignments

Level Assigned device
DMA0 Resewed (8-bit)
DMA1 Resewed (B-bit)
DMA2 FDD controller (8-bit)
DMA3 Resewed (8-bit)
DMA4 Cascade for DMA controller 1
DMA5 Reserved (N-bit)
DMA6 Resewed (16-bit)
DMA7 Reserved (W-bit)

Hardware Interrupts

9/15/93
pin 1
pin 6
pin 11