Epson ActionDesk 4000, Руководство пользователя, Страница: 61 / 163

Use the information in the following tables to change jumper
settings, if necessary.
Jumper
number
J5
J6
J7
J8
J14
t
J16
J22
J34
J35 ++
Jumper
setting
1-2*
2-3
Function
Assigns PARALLEL port as LPT1
Assigns PARALLEL port as LPT2
1-2*
2-3
1 - 2
*
2-3
1-2*
2-3
Off
*
On
1-2
***
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
3-4
5-6
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)
O f f
*
Selects fast speed
On
Selects 8 MM speed
2 - 3
*
Selects normal system board battery operation
3-4
Discharges CMOS memory (resets SETUP to defautts)
1-2* 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
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.
Installing and Removing Options
4-7