Epson ActionDesk 4000 User Manual page 61

Use the information in the following tables to change jumper
settings, if necessary.
Jumper
Jumper
number
setting
J5
1-2*
2-3
J6
1-2*
2-3
1 - 2
J7
*
2-3
J8 1-2*
2-3
J 1 4 Off
t *
On
***
1-2
J16
3-4
5-6
J22 O f f
*
On
J34 2 - 3
*
3-4
++
J35
1-2*
2-3
* Factory setting
You can use MS-DOS to automatically reassign parallel and serial ports.
**
Check your MS-DOS manual for more information.
Setting depends on CPU
***
t Do not change this jumper setting.
tt If you have trouble changing the setting of jumper J35. remove the option
card connector board. Remove the two screws that secure the board to
the chassis, then Iii the board straight up and out of the socket.
Function
Assigns PARALLEL port as LPT1
Assigns PARALLEL port as LPT2
Assigns COM1 serial port as COM1
Assigns COM1 serial port as COM3
Assigns COM2 serial port as COM2
Assigns COM2 serial port as COM4
Enables diskette drive controller
Disables diskette drive controller
VGA IRQ9 disable
VGA IRQ9 enable
Selects a CPU clock speed of 33 MM (486SX/33,
486DX/33,486DX2/66, and Pentium OverDrive)
Selects a CPU clock speed of 50 MM (DX/50)
Selects a CPU clock speed of 25 MM (486SX/25,
486DX2/50)
Selects fast speed
Selects 8 MM speed
Selects normal system board battery operation
Discharges CMOS memory (resets SETUP to defautts)
Enables the IDE hard disk drive controller
Disables the IDE hard disk drive controller
Installing and Removing Options
**
**
4-7