Epson ActionPC 5000 Manuale d'uso - Pagina 5

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Socket
I component
U1, U2, U4,
U6
U5
Keyboard/mouse controller
U12, U13
Super I/O controller (UMC82C863,865); supports up to two
diskette drives. two serial pods, and one parallel port
U15
Microprocessor (ZIF socket)
U17
Clock generator: 4V to 7V operating supply range, 1 ns skew.
Cirrus Logic video controller (GD5428); local bus VGA with
CN11

Jumper Settings

Miscellaneous jumper settings
Jumper
Jumper
number
setting
J2
1-2*
Assigns COM2 serial port as COM2
J3
1-2*
2-3
J4
1-2*
Assigns PARALLEL port as LPT1
2-3
J5
1-2*
2-3
J6
1-2*
2-3
J15
on*
Off
J19
lOff*
j 1-4
C, dual-frequency synthesizer, BltBLT
Function
Assigns COM1 serial port as COM3
Assigns PARALLEL port as LPT2
Enables optional game port
Disables optional game port
Enables diskette drive controller
Disables diskette drive controller
Selects VESA slot running at 1 waft states
Selects VESA slot running at 0 wait state
SETUP values to their factory defaults)
NEW EPSON ActionPC 5000, ActionTower 5000
External cache jumper settings
Cache size*
J24
On
64KB
On
128KB
On
256KB
*If you have no external cache installed, the position of these jumpers does not
l
matter.
settings
Processor clock jumper
or
DX2/66, DX4/100,
Change these jumpers only if you upgrade your processor.
l
Processor type jumper settings
Processor*
486SX/SX2
487SX/Pentium OverDrive
486DX/DX2/DX4
* Change these jumpers only If you upgrade your processor.
Processor voltage jumper settings
Processor voltage
5 volt
3.3 and 3.45 Volt
3.6 Volt
To determine the voltage of your processor, see page 6.
Note:
SVGA jumper settings
VGA jumper function
Enable on-hoard VGA
Disable on-board VGA
PS/2 mouse jumper settings
Jumper function
Enable PS/2 mouse support
Disable PS/2 mouse support
8/94
NEW EPSON ActionPC 5000, ActionTower 5000 - 5
J25
J26
J27
Off
Off
1-2
On
Off
2-3
On
On
1-2
J8
J9
2-3
Open
1-2,3-4
2-3
1-2,34
1-2
J29
J32
1-2 and 3-4
(not used for 5-Volt processor)
1-2
5-6 and 7-8
5-6 and 7-8
3-4
J20
On
Off
J1
2-3
1-2
J28
Off
2-3
1-2
J10
Open
Open
Open
J21
On
off
J7
2-3
1-2