Epson Endeavor power (SPEED) hard disk diskette WG - Manual (Page 6)

Hardware Interrupts
IRQ no. Function
IRQ0 Timer output
IRQ1 Keyboard
IRQ3 Serial port 2
IRQ4 Serial port 1
IRQ5 Available (parallel port 2)
IRQ6 Floppy disk drive controller
IRQ7 Parallel port 1
IRQ8 Real-time clock
IRQ9 Available
IRQ10 Available
IRQ11 Available
IRQ12 PS/2 compatible mouse or optional pointing device
IRQ13 Math coprocessor
IRQ14 Hard disk drive controller
IRQ15 Available
System I/O Address Map
* Recommended addresses for installing devices
Jumper Settings
EPSON Endeavor WG
See the illustration on page 3 for the location of the jumpers
on the main system board.
CPU Speed Jumper Settings
CPU speed
SX/33, DX2/66 (33 MHz)
DX2/50 (25 MHz)
* Factory setting according to processor external speed clock; do not change
these jumpers unless you replace a DX2/50 chip with a DX2/66 chip.
CPU Type lumper Settings
J5 J6 J7 J8
B B B B
A A A A
A A B B
CPU type*
486SX/33
ODP486-33 or 487SX/33
ODP486DX50/66
* Factory-set according to system type. You need to change jumpers
J5-J8 only if you have the 4SX/33 system and you remove the original
microprocessor chip and install a new one, or if you install a future
OverDrive processor in the 4DX2/50 or 4DX2/66.
Other Jumper Settings
Jumper
number
J9**
Jumper
setting
A*
Function
Enables the built-in mouse connector
J10
J11
J12**
B
A’
B
A’
B
A
Disables the built-in mouse connector
Enables the built-in VGA display adapter
Disables the built-in VGA display adapter
A color monitor is installed
A monochrome monitor is installed
Enables a mouse or other pointing device
Disables a mouse or other pointing device
* Factory setting
“To use a mouse connected to a port on an option card, set J9 to B and
J12 to A. lf you connect another type of pointing device (such as a joy
stick) to the option card port, set both jumpers to A.
EPSON Endeavor WG-6 5/3/93