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Epson ENDEAVOR 486I Manuel D’Utilisation

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EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i
Hard Disk Drive Information
DMA Assignments
The following table lists parameters for hard disk drives
qualified for use in the computer.
Hard disk the parameters
Level
Assigned device
DMA0
Reserved
DMA1
Available
DMA2
Diskette drive controller
DMA3
Available
DMA4
Cascade from DMA1 to DMA2
DMA5
Spare
DMA7
Spare
Spare
Hardware Interrupts
IRQ no.
IRQ2
IRQ2
IRQ3
IRQ4
IRQ4
IRQ6
IRQ6
IRQ7
IRQIO
IRQIO
 1
 1
IRQ12
IRQ12
Function
 output 0
Keyboard
Cascade to 
 
 2
Keyboard
Cascade to 
 port 2
 port 1
 port 1
 
 controller
 
 controller
Parallel 
  1
Parallel port 1
 clock
 clock
 
 mouse
 mouse
IRQ13
IRQ14
IRQ15
Math coprocessor
 IDE controller
Secondary IDE controller
System Memory Map
Address range
Function
128KB 
 of ROM BIOS stored at
System extended memory (128MB 
128KB ROM BIOS
Adapter ROM BIOS
 ROM BIOS
128KB 
 memory
640KB base 
IDE hard disk drive jumper settings
Model number
Single drive
Conner CFS1275A
C/D jumpered
Conner CFS850A
C/D jumpered
Conner CFS540A
C/D jumpered
Conner CFS425A
C/D jumpered
Conner CFS420A
CID jumpered
Conner CFS270A
CID jumpered
Western Digital AC2540
No  jumpers
Western Digital AC2420
No Jumpers
Western Digital AC2340
No jumpers
Western Digital AC2250
No jumpers
5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 7