Epson ExpressStation Інформаційний посібник про продукт - Сторінка 3
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Main System Board Jumpers
The computer contains four blocks (groups) of jumpers: J3, JS,
remove any option cards that are installed. You must remove the
drive housing to access jumper blocks J3 and JS.
Caution
Do not install or remow any option cards when the driw housing is
removed from the computer. The housing stabilizes the option card riser
board and you could severely damage it if you put stress on it without
the support of the drive housing. Also, do not change the settings in the
reserved jumper block JlO; these jumpers must remain at their factory
settings.
Each jumper block consists of 14 jumper pins, as shown below.
Certain pin numbers and jumper functions are labelled beside
each jumper block on the main system board.
The tables below list the jumper settings available in each jumper
block.
Jumper pins
2 - 4
4 - 6 '
Indicates that you have installed additlonal video RAM
Enables the bulk-in VGA display adapter
Disables the bulk-in VGA display adapter
ExpressStation Computer
Jumper pins
i - 3 '
Disables use of the BIOS SETUP program so unauthorized
3 - 5
users canno change the settings you have chosen
Clears the power-on password
2 - 4
4 - 6
Retains the power-on password
9-11
Clears the current BIOS SETUP information in CMOS
memory and sets delault parameters
Retains the current BIOS SETUP information in CMOS
memory
Sets the FLASH memory 10 operate in recovery mode I1
you unsuccessfully attempted lo download updated BIOS
information; allows start of a procedure lo restore the
previous BIOS information
Main System Board Connectors
J1-Internal Serial Port 1 Header
Type: 3M style header, double row (Male)
2 GND
4 DTR
6 Serial
Data Out
5 CTS
J2-Power Connector
Type: Single Row Header Style (Male)
1
2
3
-12
4
GND
5
GND
6
GND
7
GND
8
9
- 5
10
11
12
13
14
15
GND
GND
16
17 -12
18
19
Front Panel Reset
20 Speaker Data
J4-Dual Serial Port Connector
Type: Stacked Dual 9-Pin D-sub (Male)
Pinout: PC AT standard
J6A-Parallel Port
Type: 25-pin Centronics type (Female)
Pinout: PC AT standard
5/12/92
ExpressStation
6 ssrlal
Data In
7 RTS
9 DSR
13 N/c
ExpressStation-3