EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i
Hard Disk Drive Information
The following table lists parameters for hard disk drives qualified for use in the computer.
Hard disk the parameters
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 |
DMA | Assignments |
| |
|
|
| |
Level |
| Assigned device | |
DMA0 |
| Reserved | |
DMA1 |
| Available | |
DMA2 |
| Diskette drive controller | |
DMA3 |
| Available | |
DMA4 |
| Cascade from DMA1 to DMA2 | |
DMA5 |
| Spare | |
DMA6 |
| Spare | |
DMA7 |
| Spare | |
Hardware | Interrupts |
| |
|
|
| |
|
|
| |
IRQ no. | Function |
| |
IRQO | Timer | output 0 |
|
IRQI | Keyboard |
| |
IRQ2 | Cascade to IRQ9 |
| |
IRQ3 | Serial | oortport 2 |
|
IRQ4 | Serial port 1 |
| |
IRQ5 | AvaIlable |
| |
IRQ6 | Diskette dwe controller |
| |
IRQ7 | Parallel oortport 1 |
| |
IRQ8 |
| ||
IRQ9 | AvaIlable |
| |
IRQIO | AvaIlable |
| |
IRQI 1 | 1AvaIlable |
| |
IRQ12 | PS12 mouse |
| |
IRQ13 | Math coprocessor |
| |
IRQ14 | Primary IDE controller |
| |
IRQ15 | Secondary IDE controller |
| |
System Memory Map
|
|
|
Address range | Function | |
128KB dupllcatlon of ROM BIOS stored at | ||
| ||
System extended memory (128MB maxlmum) | ||
128KB ROM BIOS | ||
OC8000h.ODFFFFh | Adapter ROM BIOS | |
Video ROM BIOS | ||
128KB video memory | ||
640KB base memorv | ||
5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 7