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Epson ActionDesk 4000, Технические характеристики

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EPSON ActionDesk 4000+

System board components and connectors

Jumper settings

I Component

 Processor

Jumper

Jumper

number

setting Function

J4

1-2

Enables game port

2-3*

Disables game port

J5

1-2*

Assigns PARALLEL port as LPT1

 U27

 Phoenix system and VGA BIOS; 15Ons. 8-bit operation

I

U28

System controller (UMC82C491); integrated system, memory,
and cache controller

U10

U4

Video controIler (GD5428); local bus VGA with integrated palette
DAC, dual-frequency synthesizer, BitBLT for GUI acceleration

Line and serial controller (UMC82C865F)

 Keyboard/mouse controller (8042 compatible UPI)

I

U13

U35

Super I/O controller (UMC82C863); supports up to two diskette
drives, two serial ports, and one parallel pert

Local bus IDE controller (Adaptec AIC-24VL01Q)

J9, J10, J11 

Disables diskette drive controller
Featured

J14

Off*

Disables IRQ9 for VGA

on

Enables IRQ9 for VGA

1-2

Selects a CPU clock speed of 33 MHz (486SX/33,
486DX33, 486DX2/66, and Pentium OverDrive

processor)

3-4

Selects a CPU clock speed of 50 MHz (DX/50)

5-6

Selects a CPU clock speed of 25 MHz (4865SX/25,

486DX2/50)

o f f ’

Selects fast speed

on

Selects 8 MHz speed

2-3*

Selects the system board battery

3-4

Discharges CMOS memory (this resets the SETUP

values to their factory defaults)

1-2.

Enables the IDE hard disk drive controller

2-3

Disables the IDE hard disk drive controller

1 - 2 .   R e s e r v e d

U12

Clock generator (IMI SC 425 chip); 4V to 7V operating supply
range, 1 

ns skew, CMOS or TTL compatible outputs

U20-23. U29-32

Cache SRAM sockets

J16***

I U36

I

U7, U8, U2, U3

Video DRAM; two 

chips soldered at U7 and U8; two expansion

sockets at U2 and U3

CN2

Video connector: 15- 

Spin. D-shell

CN3

CN5

CN4

Parallel port; 25-pin, D-shell
Serial port labeled COM1; 9-pin, D-shell

Serial 

port labeled COM2: 9-pin. D-shell

J34

J35

I Mouse; 6-pin, mini-DIN

I

*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

External cache jumper settings*

J21
J3, J24
J30
J32

Speaker connector; 4-pin header
Reset; P-pin header
Hard disk drive; 4O-pin header
Hard d&k drive. weed. and power LED connector: 6-pin header

Cache size

J27

J28

1-2

1-2

Off

2-3

128KB

2-3

1-2

1-2

1-2

I S1

 ISA 120-pin slat connector

I

 U18. U19

 SIMM sockets: 4MB standard on a SIMM in U19

 2-3

 

l

If you have no external cache installed, the position of these jumpers does
not matter.

Jumper Settings

Processor type jumper settings

J36

J4-J11

J14. J16

I

J17

J19

486DX, DX2, or Pentium OverDrive

1-2,3-4

1-2

486SX

2-3

Off

J37

VGA jumper settings

VGA jumper function

Enable on-board VGA
Disable on-board VGA

J36

J37

on

on

Off

Off

J17
J19

J22

 

J25, J26,J27, J28

J34

EPSON ActionDesk 4000+ - 4

12/93

Содержание ActionDesk 4000

Страница 1: ...2 processors are 25 and 33 MHz respectively 4MB RAM standard on a SIMM expandable to 64MB using 1MB 2MB 4MB 8MB 16MB and 32MB SIMMs when available SIMMs are tin plated preferably 72 pin 32 bit or 36 bit fast page mode type with access speed of 70ns or faster Phoenix system BIOS video BIOS and SETUP code located in 128KB EPROM on main system board 1MB DRAM on main system board expandable to 2MB usi...

Страница 2: ...5 25 inch diskette drive 360KB or 1 2MB storage capacity 3 inch form factor hard disk drive s up to half height size Half height tape drive CD ROM optical drive or other storage device 51 4 h or 3 44nch with mounting frames Keyboard Detachable two position height 101 or 102 sculpted keys countrydependent main typewriter keyboard numeric cursor control keypad four key cursor control keypad 12 funct...

Страница 3: ...jor Subassemblies connector optional video option card I diskette drive memory sockets connector board connector I I system mounting bracket for hard disk drives System Board Components drive bays 12 93 EPSON ActionDesk 4000 3 ...

Страница 4: ...rd disk drive controller 2 3 Disables the IDE hard disk drive controller 1 2 Reserved U12 Clock generator IMI SC 425 chip 4V to 7V operating supply range 1 ns skew CMOS or TTL compatible outputs U20 23 U29 32 Cache SRAM sockets J16 I U36 IC8ChtepSOCk6ft I U7 U8 U2 U3 Video DRAM two chips soldered at U7 and U8 two expansion sockets at U2 and U3 CN2 Video connector 15 Spin D shell CN3 CN5 CN4 Parall...

Страница 5: ...rly you must install one chip in each socket Resolutions and Colors 1 256 43 5 60 70 72 8 bits pixel 2 43 5 16 bits pixel 1280x1024 1 16 43 5 4 bit planes 2 256 43 5 8 bits pixel Non interlaced and interlaced Interlaced External Cache You can install 64KB 128KB or 256KB of external cache on this system Cl To install 64KB of external cache use eight SRAM 28 pin 8x8 20ns DIP chips and one 8x8 20ns t...

Страница 6: ...ctly for the new processor Fan Installation Some upgrade kits for processors that require both a heat sink and a fan contain a separate fan assembly Secure the fan to the bracket using the long screws and the nuts Then secure the bracket to the chassis with the short screws Connect the fan connector to J12 aligning the small triangle on the case of the connector with pin 1 This system comes with a...

Страница 7: ... jumpers Conner CP30104H C D jumpered C D DSP No jumpers Drive Option Information Hard disk drive options for 1 inch IDE drives Western Digital AC1170 Western Digital 3 4 jumpered 3 4 jumpered CS cable selection can be jumpered for any configuration When CS is used the drive is a master if pin 28 is grounded and a slave if pin 28 is not grounded Diskette drive options DMA Assignments Select 1 or m...

Страница 8: ...OEOOOOh Extended memory System BIOS ROM 64KB Default Shadow RAM duplicated at FF0000h Unused or I O expansion ROM 160KB Reserved for ROM on I O adapters VGA BIOS ROM 32KB Default shadow RAM VGA text color 32KB Unused or VGA text monochrome 32KB Video memory 64KB Reserved for graphics display buffer Conventional system memory 640KB Maximum system memory 1MB 640KB System l O Address Map EPSON Action...

Страница 9: ...s J30 Pin Signal Pin Signal Pin Signal 1 RESET 15 D1 29 NC 2 Ground 18 D14 30 Ground 3 D7 17 D0 31 Interrupt I14 ID13 128 INC I I I Active low logic Speaker connector pin assignments J21 Pin 1 Signal 1 IVCC 12 Ismaker 1 Optional game port interface pin assignments J2 01 Optional game port connector pin assignments Pin ISignal Pin Signal Pin Signal 1 lvcc 8 Position 1 11 NC 2 Button 0 7 Button 1 12...

Страница 10: ...e by selecting User as the type and entering the drive s exact parameters Make sure you have installed the local bus IDE drivers on your hard disk and that the CONFIG SYS file loads the drivers If you install the IDE drivers and also install Paradox for Windows or a SCSI drive Windows may not run correctly It is recommended that a 16 bit AT type hard disk controller be used if you are installing a...

Страница 11: ... does not work load it at low speed Installing Option Cards 0 Although this system will support most full length option cards option cards with an I P connector on the back may not fit into the option slot 0 Make sure the power requirements of the option cards you install do not exceed the power supply limitations Q If the computer locks up the power supply may be overloaded On a system with three...

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