Epson ActionDesk 4000+ Product Information Guide
Contents
1. 020 03F Interrupt controler 1 8250 040 05F_ Timer 8254 060 06F Keyboard controller 8042 mask DMA S age resi pa of 74LS612 pt controller 2 8259A Clear math coprocessor bus o Reset math coprocessor 080 09F 00 Inte Reset math Ess Parallel printer port 2 020 03F 040 O5F 060 O6F 080 OOF 0B4 0B8 oCo ODF OF8 OFF 200 207 278 27F 250 2DF Alternate enhanced graphics adapter 2E2 2E3 2F8 2FF Serial 360 363 368 36B 380 38F 390 393 380 SBF 368 368 PC network high address 378 37F Parallel printer port 1 port 2 ype 2B0 2DF 0 et 262 263 2F8 2FF 360 363 PC network low address or 380 38F 0 C bisynchronous are aFF Sela port 1 B90 B93 6 12 93 Connector Pin Assignments Parallel port connector pin assignments CN3 Active low logic Serial port connector pin assignments CN4 and CN5 Keyboard and mouse connector pin assignments CN7 and CN6 Active low logic All odd numbered pins are grounds EPSON ActionDesk 4000 Hard disk drive connector pin assignments J30 Signal Pin Signal Pin Signa Reset fis m NC Ground 18 D14 3o Ground P a S Interrupt 4 D8 18 Active low logic Speaker connector pin assignments J 21 Pin 1 2 Signal VCC Speaker Optional game port interface pin assignments J2 12 93 Button 0 EPSON Ac2. Assigns COM1 serial port as COM1 Assigns COM1 serial port as COM3 Assigns COM2 serial port as COM2 Assigns COM2 serial port as COM4 Selects a CPU clock speed of 33 MHz 486SX 33 486DX33 486DX2 66 and Pentium OverDrive processor Selects a CPU clock speed of 50 MHz DX 50 Selects a CPU clock speed of 25 MHz 4865SX 25 486DX2 50 Selects 8 MHz speed Selects the system board battery Discharges CMOS memory this resets the SETUP values to their factory defaults 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 External cache jumper settings Cache size If you have no external cache installed the position of these jumpers does not matter Processor type jumper settings 486DX DX2 or Pentium OverDrive 1 2 3 4 i2 486SX iy TT VGA jumper settings VGA jumper function J37 Enable on board VGA on on Disable on board VGA ot ooo O 12 93 SIMM Installation Your computer comes with 4M B 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 Use
3. 93 16 pe 19 EN 2a 23 SEO tos fe fr 1024 non az se fes fe i7 fes fie 10 1o24 e fae fios non s 72 fees fo fiz eas None so eo ios o fiz fios none 41 n os Actual formatted size may be slightly different than size on drive label you cannot change this value Some older or preformatted drives do not support the auto sensing feature If the parameters displayed do not match the parameters of your hard disk drive you can define your own drive type in SETUP Drive Option Information Hard disk oA for l inch IDE drives a dt ity MB ain P a A oe er FF x height in Weight be 13 1 9 1 3 fies soa nen eee oss h e 2 2 pek je hf 2 Heads Je 4 e 4 Je e 2 fja fe Sectors per oe Se ee tee hee track 87 96 96 3322 3322 3322 Hi R con s 128 Buttor size KB a2 32 a2 a seek 17 17 CREN caca time ms Encoding in ALL ze eng RU method 1 iz 1 7 a 7 lie seek ne Hes eos 895 10 Precomp zone S 0 Landing zone 903 i Sa 895 Sectors 46 39 46 55 Select 1 or more for the precomp value If neither of these options are available select the maximum available precomp value EPSON ActionDesk 4000 IDE hard disk drive jumper settings Model number i Single drive Master dre Slave dre C D DSP umpere Conner CP30104H C D jumpered Genser Paota _ oP rpered OD SP Ds
4. A Seks O ee 12 93 EPSON ActionDesk 4000 5 EPSON ActionDesk 4000 Microprocessor Upgrades The computer s processor can be upgraded by replacing the existing microprocessor with a faster one You can either purchase an upgrade kit from Epson or buy the individual components separately as listed in the following table Microprocessor upgrade components Pentium OverDrive processo For the SX 25 SX 33 and DX 33 processors For the DX 50 DX2 50 DX2 66 and Pentium OverDrive processor SX 25 SX 33 and DX 33 processors require a heat sink DX 50 DX2 50 D X2 66 and Pentium OverDrive processors require a heat sink and a fan Make sure jumpers J16 J17 and J19 are set correctly 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 EPSON ActionDesk 4000 6 Hard Disk Drive Types This system comes with a hard disk auto sensing feature When you press Enter with the cursor positioned on the Autotype Fixed Disk option in SETUP the system detects the type of hard disk drive you have installed and fills n the drive information using values in the following table Hard disk drive types 12
5. 12 function keys Stored in ROM accessible by pressing F2 duringboot User and supervisor level passwords 8 characters available for system boot or diskette access Write protection feature for the hard disk drive boot sector periodic reminder message for running virus detection utility Physical Characteristics Width Depth Height Weight Power Supply Type Input ranges Maximum outputs Frequency Cables 15 6 inches 396 mm 145 inches 368 mm 41 inches 104 mm 15 Ib 6 8 kg without drives or keyboard 65 Watt UL listed fan cooled 90 to 115 230 to 260 VAC 5 VDC at 7 5 Amps 5 VDC at 0 1 Amp 12 VDC at 2 0 Amp 12 VDC at 0 2 Amp 50 60 Hz Two to main system board four to mass storage devices Option Slot Power Limits Maximum current For all slots 3 3 Ampq 0 1 Amp 1 0Amp ol1 Amp Based on a system containing one hard disk drive and one diskette drive Environmental Requirements re Non operating range 41 eee F 4 to 140 F eee to 32 C 20 to 60 C Condition Temperature 20 to eae 10 to 90 a ng eN 330 to 9 900ft 330 to 39 600 ft 12 000 m bulb 12 93 4 to 140 F 20 to 60 C 330 to 39 600 ft 100 to 12 000 m 134 F 57 C Major Subassemblies System Board Components hard disk connector EPSON ActionDesk 4000 microprocessor game port connector diskette drive optional video option card connector memory
6. 28KB EPROM on main system board 1MB DRAM on main system board expandable to 2MB using two ZIP chips Supports shadowing of system and video BIOS ROM into RAM Supports relocation of 256KB of memory from A 0000h to BFFFFh and D 0000h to EFFFFh to extended memory 8KB of internal cache on the CPU supports 64KB 128KB or 256KB of external cache using 28 pin 8 x 8 20ns DIP chips or 28 pin 32 x 8 20ns DIP chips Math coprocessor built into DX DX2 and Pentium OverDrive processors Contained in the 82C491 system controller chip along with 64 bytes of CMOS RAM backed up by a soldered NiCad rechargeable battery Cirrus Logic G D 5428 high speed local bus super VGA local bus controller with True Color support Controller on main system board supports up to two diskette drives or one diskette drive and one tape drive EPSON ActionDesk 4000 1 EPSON ActionDesk 4000 Hard disk Interfaces Monitor Parallel Serial Keyboard M ouse Optional game port Option slots Speaker Mass storage Diskette drives Hard disk drives Other devices High speed 32 bit local bus IDE interface on main system board supports up to two IDE hard disk drives with built in controller BIOS provides hard disk auto sensing function VGA interface for fixed or multi frequency monitor built into system board supports a low power standby mode for Energy Star compliant monitors 15 pin D shell connector One standard 8 bi
7. A by changing jumpers J36 and J37 to the Off position COM Port Assignment If you want to assign COM1 as COM3 you must set jumper J6 to position 2 3 If you want to assign COM2 as COM4 you must set jumper J7 to position 2 3 Booting Sequence If you cannot boot the computer from the hard disk make sure the booting sequence in SETUP is set to A then C Then boot the computer from a system diskette in Drive A EPSON ActionDesk 4000 Information Reference List Engineering Change Notices None Technical Information Bulletins None Product Support Bulletins None Related Documentation TM ACTD4 EPSON ActionDesk 4000 Service M anual AD4000 ADD EPSON ActionDesk 4000 Service Manual Addendum PL ACTD 4 EPSON ActionDesk 4000 Parts Price List 400274700 EPSON ActionDesk 4000 User s Guide 12 93 EPSON ActionDesk 4000 11
8. ActionDesk 4000 The following diagrams illustrate the outside of the ActionDesk 4000 system hard disk power button reset button diskette drive monitor cable AC inlet AC outlet Computer Specifications CPU and Memory 32 bit CPU Intel 486SX DX or DX2 processor upgradable to faster more powerful processors including the Pentium OverDrive Green PC Energy saver Energy Star compliant using less than 30 Watts with a low power standby mode for the hard disk drive and the video signals the computer sends to the monitor time periods selectable in SETUP System speed M emory ROM Video RAM 12 93 Shadow RAM M emory relocation Cache Math coprocessor Clock calendar Controllers Video Diskette EPSON ActionDesk 4000 Fast and slow speeds available as described in the table below speed selection through keyboard commands or jumper setting aalan setting peed ened posd E S Gaba po ee es MHz At fast speed DX2 50 and DX2 66 processors run internally at 50 and 66 MHz but run externally at 25 and 33 MHz local bus speeds for D X2 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 1
9. d use the auto sensing feature in SETUP to select the correct type number for the drive If the auto sensing feature does not produce a match for the drive you can define your own drive type by selecting User as the type and entering the drive s exact parameters Q 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 Q It is recommended that a 16 bit AT type hard disk controller be used if you are installing a drive that cannot use the embedded IDE interface If you install a non IDE hard disk drive and controller card you need to disable the built in IDE hard disk drive interface by moving jumper J35 to position 2 3 If you disable the on board IDE you will not be able to benefit from the built in local bus IDE controller Q If you plan to install two hard disk drives in the internal bays you must use flat head screws 6 32UNC x 8 FH M to secure the top drive to the mounting bracket 12 93 Q If you are installing an ESDI hard disk drive make sure you disable the built in IDE hard disk drive interface by moving jumper J35 to position 2 3 Also be sure to remove the had disk drive ribbon connector from the system board Floppy Disk Drive Problems Q If you use a password for the diskette drive access you must enable the Password on Boot opt
10. ion If you don t enable this option you see an error message whenever you try to access the diskette drive Overheating Problems Make sure that the DX DX2 or Pentium OverDrive processor has an adequate heat sink and fan installed to prevent overheating The Epson CPU upgrade kit comes with a heat sink and a fan Other manufacturer s kits may not include these items Software Problems When installing a copy protected software package first try the installation at high speed If this does not work properly select low speed by pressing the Ctrl and Alt keys and the key on the numeric keypad simultaneously Try loading the program at low speed and then switching to high speed if possible Q When using a software package that uses a key disk as its copy protection method try loading it at high speed If this does not work load it at low speed Installing Option Cards Q 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 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 or more option cards the installation of a second hard disk drive may overload the power supply Q If you are installing a video adapter card that doesn t support VGA make sure you disable the built in VG
11. pon No jumpers jumpers ea e lu Quantum LPS240AT Western Digitaf AC1170 Western Digital AC2250 Westem Digital AC2340 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 3 5 1 44MB Seiko Ep a er DMA Assignments Assigned device Seas sti Reserved 8 bit a Cascade for DMA controller 1 Eeserved Jebi Renai TA 12 93 EPSON ActionDesk 4000 7 EPSON ActionDesk 4000 Hardware Interrupts Function Serai pot2 S R R Real time clock Reed Reseved S Rais Reseved o o o y y reee System Memory Map OOOFFFFFFh System BIOS ROM 64MB Duplicated from 0F0000h 000FF0000h Reserved for system board 64KB Duplicated from OE0000h 64MB Maxi mum 000FE0000h system memory Extended memory 00100000h 1MB System BIOS ROM 64KB Default Shadow RAM duplicated at FF0000h 000F0000h Unused or 1 0 expansion ROM 160KB Reserved for ROM on 1 0 adapters 000C8000h VGA BIOS ROM 32KB o00C0000h Default shadow RAM VGA text 00088000h color 32KB Unused or VGA text monochrome 32KB 000B0000h l l Video memory 64KB Reserved for graphics display buffer 000A0000h 640KB Conventional system memory 640KB 00000000h EPSON ActionDesk 4000 8 System I O Address Map Hexaddress ss Assigneddevice oss 000 O1F DMA controller 1 8237
12. sockets connector board SE Er mounting bracket for drive bays hard disk drives 12 93 EPSON ActionDesk 4000 3 EPSON ActionDesk 4000 System board components and connectors Socket Component U24 Processor U27 Phoenix system and VGA BIOS 15Ons 8 bit operation System controller UMC82C491 integrated system memory and cache controller Video controller GD5428 local bus VGA with integrated palette DAC dual frequency synthesizer BitBLT for GUI acceleration Line and serial controller UMC82C865F ue Keyboard mouse controller 8042 compatible UPI l 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 Clock generator IMI SC 425 chip 4V to 7V operating supply range 1 ns skew CMOS or TTL compatible outputs Video DRAM two chips soldered at U7 and U8 two expansion sockets at U2 and U3 CN2 Video connector 15 Spin D shell Parallel port 25 pin D shell CNS serial port labeled COMI 9 pin D shell one Power supply 12 pin connector Optional game port connector interface i200 Fan connector 2 pin header 1 ISA 120 pin slat connector SIMM sockets 4MB standard on a SIMM in U19 Jumper Settings J36 J14 J16 J34 J25 J26 J27 J28 EPSON ActionDesk 4000 4 Jumper settings setting Enables game port Disables game port Assigns Jumper number
13. t parallel bidirectional interface built into main system board 25 pin D shell connector Two RS 232C programmable asynchronous interfaces built into main system board 9 pin D shell connectors PS 2 compatible keyboard interface built into main system board 6 pin mini DIN connector PS 2 compatible mouse interface built into main system board 6pin mini DIN connector Optional 10 pin game port interface on system board can control joy stick functions with the addition of a port connector Three 16 bit full length and two amp bit half length 1 0 expansion slots ISA compatible 8 33 MHz bus speed Internal Internal mounts Two 34 inch wide one inch high drives with three or more option cards installed the power supply only supports one internal drive Externally accessible mounts One 34 inch wide third height drive and one 54 inch wide half height drive 3 5 inch diskette drive 720KB or 1 44MB storage capacity 5 25 inch diskette drive 360KB or 1 2M B storage capacity 34 inch form factor hard disk drive s up to half height size Half height tape drive CD ROM optical drive or other storage device 514 inch or 314 inch with mounting frames EPSON ActionDesk 4000 2 Keyboard SETUP Program System security Virus protection Detachable two position height 101 or 102 sculpted keys countrydependent main typewriter keyboard numeric cursor control keypad four key cursor control keypad
14. tin plated preferably 32 bit or 36 bit 72 pin fast page mode SIMMs that operate at an access speed of 70ns or faster Be sure all the SIMMs operate at the same speed Video Memory This system comes with 1MB of video memory You can increase the video memory to 2MB by installing two 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 EPSON ActionDesk 4000 Resolutions and Colors 1024 x 768 Ce e Ta 256 43 5 60 70 72 8 bits pixel 64K 43 5 16 bits pixer 1280x1024 1 ste 435 4 bit planes j2 fee ass 8 bits pixer Non interlaced and interlaced Interlaced External Cache You can install 64KB 128KB or 256KB of external cache on this system Q To install 64KB of external cache use eight SRAM 28 pin 8x8 20ns DIP chips and one 8x8 20ns tag chip Q To install 128KB of external cache use four SRAM 28 pin 32 x 8 20ns DIP chips and one 8 x 8 20ns tag chip Q To install 256K B of external cache use eight SRAM 28 pin 32 x 8 20ns DIP chips and one 32 x 8 20ns tag chip To install any cache on a 486D X 50 system make sure the tag chip is a 15ns chip For the cache memory to work properly you must install chips in the following configuration each bank contains four cache memory sockets Cache memory configurations Bank 0 Bank 1 Tag SRA U20 21 22 23 U29 30 31 32 U36 eae a cache
15. tionDesk 4000 9 EPSON ActionDesk 4000 Option curd riser board connector pin assignments S1 A16 SA18_ AAG DRQO A17 SA17 __ A47 MEMW B17 IOR B47 DACKS A18 sate __ ass sD8 B18 DacKs Bas DRa5 Ato tsas Mo soe Bie paas leaa jacke _ DRGs Active low logic Active low logic EPSON ActionDesk 4000 10 SIMM sockets U18 U19 Hound 19 010 opi ss Jon 2 Daao 20 D 38 ops se D27 3 Data16 21 D20 s9 Ground 57 Di2 4 Daai 22 os fso casor sa _ D28 5 Datai7 23 D21 s1 casa so vcc 6 Daa2 24 De _ 42 casa eo D29 7 _ Datas 25 D22 J43 cass ei D13 8 Datas 26 oz 44 Raso s2 D3 9 __ Data19 27 _ jD23 4 Rast es om 10 vcc ze jaz NC fe o la inc f NG Jar we es D5 2 jao j _ vcc f fee nc 13 Jar f31 fas e os Jer Po ia far a2 jas so D24 es Pe a5 Jas 33 Ras3 51 Do feo Pp3 16e as 34 Rasa s2 p25 70 Pos az jas J Po2 tsa bo 7 Ne is as ze foro s4 26 72 Ground Installation Support lips Installing Diskette Drives Make sure that the drive type has been correctly selected in the SETUP program Installing Hard Disk Drives Q To take full advantage of the local bus IDE interface your hard disk drive must support a 32 bit data path that uses double word 1 0 QO When installing a hard disk drive see the hard disk drive type tables an
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