Epson ActionDesk 4000 Інформаційний посібник про продукт - Сторінка 3
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Jumper Settings
J16
J17
J19
J22
J25, J26, J27, J28
Jumper settings
Jumper I Jumper I
number
setting Function
J5
1-2*
Assigns PARALLEL port as LPT1
2-3
Assigns PARALLEL port as LPT2
J6
1-2*
Assigns COM1 serial port as COM1
2-3
Assigns COM1 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
l
J16
**
l
486DX33, 486DX2/66)
5-6
Selects a CPU dock speed of 25 MHz (486SX/25,
486DX2/50)
J22
J34
Discharges CMOS memory (this resets the SETUP
J35
Enables the IDE hard disk drive controller
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
l
External cache jumper settings*
Cache size
64KB
128KB
256KB
If you have no external cache installed, the position of these jumpers does
l
not matter.
J5, J6, J7, J8
I
J34
J25
J25
1-2
1-2
2-3
1-2
2-3
2-3
Processor type jumper settings
Processor type
486DX/DX2
466SX
I
487SX
SIMM Installation
Your computer comes with 4MB of memory on a SIMM. You
can increase the memory up to 64MB by installing 1MB,
2MB, 4MB, 8MB, 16MB, and 32MB SIMMs in the computer's
two SIMM sockets. The following table shows the possible
SIMM configurations; do not install memory in any other
configuration.
SIMM configuration
4MB
4MB
4MB
4MB
4MB
8MB
8MB
8MB
8MB
16MB
16MB
16MB
16MB
16MB
16MB
32MB
32MB
32MB
32MB
32MB
32MB
32MB
Use only tin-plated, 32-bit or 36-bit, 72-pin, fast-page mode
SIMMs that operate at an access speed of 80ns (nanoseconds)
or faster. Be sure all the SIMMs operate at the same speed.
SIMMs that are 80ns must operate with 1 wait state; 70ns or
faster SIMMs can operate with 0 wait state. (To add a wait
state, select the DRAM wait state option from the
Advanced Chipset Control option in SETUP.)
Video Memory
J28
2-3
The ActionDesk 4000 comes with 1MB of video memory. You
1-2
can increase the video memory to 2MB by installing two
2-3
video DRAM, 40-pin, 256KB x 16-bit, ZIP (Zig-zag Inline
Package) chips.
For the memory to work properly, you must install one chip
in each socket.
9/15/93
Epson ActionDesk 4000
J17
J19
1-2, 3-4
1-2
2-3
off
I
1-2.3-4
X
4MB
1MB
5MB
2MB
6MB
X
8MB
9MB
1MB
2MB
10MB
4MB
12MB
X
16MB
1MB
17MB
2MB
18MB
20MB
4MB
2MB
34MB
4MB
36MB
8MB
40MB
16MB
48MB
32MB
64MB
Epson ActionDesk 4000-3
I