Specifications

EPSON ActionPC/ActionTower 7000 series (including ActionTower 8400)
Hard Disk Drive Information
DMA Assignments
The following table lists parameters for hard disk drives
qualified for use in the computer.
Hard disk drive parameters
Level
Assigned device
DMAO
Reserved
DMA1
Available
DMA2
Diskette drive controller
DMA3
Available
DMA4
Cascade from DMA1 to DMA2
DMA5
Spare
DMA6
Spare
DMA7
Spare
Hardware Interrupts
System Memory Map
Address range
FE0000h-FFFFFFh
100000h-FDFFFFh
0E0000h-0FFFFFh
0C8000h-0DFFFFh
0C0000h-0C7FFFh
1 Function
1 128KB duplication of ROM BIOS stored at
0E0000h-0FFFFFh
System extended memory (128MB maximum)
128KB ROM BIOS
Adapter ROM BIOS
Video ROM BIOS
IDE hard disk drive jumper settings
Model number
1 Single drive 1 Master drive 1 Slave drive
0A0000h-0BFFFFh
1 128KB video memory
000000h-09FFFFh
184OKB base memory
Conner CFS1275A 1 C/D jumpered 1 C/D jumpered 1 Nojumpers
Conner CFS850A 1 C/D jumpered 1 C/D jumpered 1 Nojumpers
10/30/95 ActionPC/ActionTower 7000 series
(including ActionTower 8400) - 7