Epson ActionDesk 4000 User Manual - Page 54

Jumper, Use the information in the following tables to change jumper, settings, if necessary.

Page 54 highlights

Use the information in the following tables to change jumper settings, if necessary. Jumper settings Jumper Jumper number setting Function J5 1-2 * Assigns PARALLEL port as LPT1 2-3 Assigns PARALLEL port as LPT2 J6 1-2 * Assigns COM 1 serial port as COM 1 2-3 Assigns COM 1 serial port as COM3 ** J7 1-2 * Assigns COM2 serial port as COM2 2-3 Assigns COM2 serial port as COM4 ** J8 1-2' Enables diskette drive controller 2-3 Disables diskette drive controller J16 1-2 *** Selects a CPU clock speed of 33 MHz (486SX/33, 486DX33, 486DX2/66) 5-6 Selects a CPU clock speed of 25 MHz (486SX/25, 486DX2/50) J22 Off' Selects turbo speed On Selects 8 MHz speed J34 2-3 l Selects the system board battery 3-4 Discharges CMOS memory (this resets the SETUP values to their factory defaults) J35 1-2 l Enables the IDE hard disk drive controller 2 - 3 Disables the IDE hard disk drive controller * 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 Installing and Removing Options 4-7

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Use the information in the following tables to change jumper
settings, if necessary.
Jumper
settings
Jumper
Jumper
number
setting
Function
J5
1-2 *
Assigns PARALLEL port
as
LPT1
2-3
Assigns PARALLEL port as LPT2
J6
1-2 *
Assigns COM 1 serial port as COM 1
2-3
Assigns COM 1 serial port as COM3 **
J7
1-2 *
Assigns COM2 serial port as COM2
2-3
Assigns COM2 serial port as COM4 **
J8
1-2’
Enables diskette drive controller
2-3
Disables diskette drive controller
J16
1-2 ***
Selects a CPU clock speed of 33 MHz (486SX/33,
486DX33, 486DX2/66)
5-6
Selects a CPU clock speed of 25 MHz (486SX/25,
486DX2/50)
J22
J34
Off’
On
2-3
l
3-4
Selects turbo speed
Selects 8 MHz speed
Selects the system board battery
Discharges CMOS memory (this resets the SETUP
values to their factory defaults)
J35
1-2
l
Enables the IDE hard disk drive controller
2
-
3
Disables the IDE hard disk drive controller
* 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
Installing and Removing Options
4-7