Epson Equity 386SX Product Information Guide
Contents
1. Computer Specifications CPU and Memory 16 bit CPU On board memory ROM Math coprocessor Controllers Diskette Hard disk Interfaces Serial Parallel Auxiliary Option slots Speaker Clock calendar RAM Power Supply 80386SX microprocessor 16 MHz or simulated 8 MHz clockrate selectable through a switch or through software 24 bit address and 16 bit data bus LMB RAM on main system board expandable using 256KB or IMB SIMMs to 2MB 4MB 6MB 8MB 10MB 12MB or 14MB maximum SIMMs must be 70ns access speed or faster 64KB 80387SX 16 MHz support coprocessor 15 optional Supports up to two drives in any of four formats 3 inch high density 1 44MB 3 inch double density 720KB 5 Yeinch high density 1 2MB or 5 Ye inch double density 360KB controller on main system board Supports up to two drives available in 40MB or 100MB embedded controller RS 232C programmable asynchronous DB 9P male connector Standard 8 bit parallel DB 25S female connector Mini DIN 6 pin connector for IRQ 12 mouse or other device Five standard input output expansion slots one with 8 bit bus and four with 16 bit bus one special slot occupied by a serial parallel interface card Internal Real time clock calendar and 64 byte CMOS RAM for configuration battery backup Switching type fan cooled 11 5 230 VAC switch selectable 140 W 5 VDC 12 VDC 5 VDC 12 VD2. rompa Jumper number setting SIMMs have been instatied tor additional memory No SIMMs have been installed Factory setting Possible Equity 386SX SIMM configurations 256KB SIMMs 1 1M8 SIMMs DMA Channels CHANNEL FUNCTION Spare Spare floppy disk transfers Spare Hard disk drive Cascade of data from channel 0 3 Spare Spare Spare Noo RAONO EQ386SxX 3 EQUITY 386SX Hardware Interrupts FUNCTION Timer Output 0 Keyboard Interrupt from CTLR2 serial port 2 Serial port 1 Parallel port 2 floppy disk interrupt Parallel port 1 RTC interrupt Software redirected to IRQ2 Reserved Reserved Mouse pointing device Coprocessor Hard disk controller Reserved EQ386SX 4 9 22 89 Equity Series Computers Installation Support Tips Power The Equity 386SX has a power supply that is switchable between 115V for USA and Canadian use and 230V for use in other countries The voltage switch is located at the rear of the CPU between the AC inlet and the AC outlet see figure below WARNINGI The voltage is not changed between the AC inlet and the AC outlet If the CPU is switched for 230V in order to function in Europe only peripherals certified for use at 230V should be plugged into the outlet diskette release button power light diskette drive light CMT diskette drive keyboard cable socket hard disk or CPU SPEEO button diskette drive siot switch
3. 1 3 kg EQ386SX 1 EQUITY 386SX Switch Settings CPU SPEED switch There are no DIP switches on the Equity 386SX However there is a CPU SPEED switch on the front of the unit in the lower left hand corner The CPU SPEED switch selects between 8MHz and 16MHz When the computer is running at 8MHz the power light is orange and at 16MHz the light is green Connector Pin Assignments Parallel Port Connector 3 0000000000000 fi 25 000000000000 14 SS CL SS A ad PIN NUMBER SIGNAL NAME DIRECTION DESCRIPTION 1 STROBE o Printer strobe 2 DATAO o Data 0 3 DATA1 o Data 1 4 DATA2 o Data 2 5 DATA3 Data 3 6 DATA4 0 Data 4 7 DATAS o Data 5 8 DATA6 o Data 6 9 DATA7 Data 7 10 ACK Printer acknowledge 11 BUSY I Printer busy 12 PE 1 Printer paper empty 13 SLCT l Printer select 14 AUTOFD e Auto feed XT 15 ERROR Printer error 16 INIT I Printer initialize 17 SLCTIN l Printer select in 18 25 SG Signal ground FG FG Frame around A A __ ________ eb EQ386SX 2 Serial Port Connector ODNOW RUN Keyboard Connector O O1 30 O4 Or Mouse Connector Ring indicator PIN NUMBER SIGNAL Data Ground 5 VOC Ground Orhwon O PIN NUMBER SIGNAL NAME DIRECTION DESCRIPTION 1 MSCLK o 2 MSGND 3 MSDATA 4 MSVCC 9 22 89 Mouse clock Mouse signal ground Mouse data Mouse power 5 VDC Equity Series Computers V O Port Addresses ADDRESS FUNCTION DMA Controll
4. C 50 60 Hz Equity Series Computers Mass Storage Standard Optional Optional Optional Optional Optional Optional Keyboard Layout Function kevs EQUITY 386SX Three half height drives maximum 3 J inch diskette drive 1 44MB high density storage capactty 3 4 inch diskette drive 720KB double density storage capacity 3 tinch diskette drive 1 44MB high density storage capacity 5 s inch diskette drive 1 2MB high density storage capacity 5 fa inch diskette drive 360KB double density storage capacity 3 4nch hard disk drive in a 5 fa inch mounting frame 40MB storage capacity 3 inch hard disk drive in a 5 inch mounting frame 100MB storage capacity Detachable three positions 101 sculpted keys 58 key QWERTY main keyboard 17 key numeric cursor pad IO cursor keys 16 function keys user definable Four levels normal shift control alternate user definable Environmental Requirements Temperature Humidity Operating range 41 to 104 F 5 to 35 C 40 to 158 F 40 to 60 C Storage range Operating range 20 to 80 non condensing 5 to 95 non condensing Storage range Physical Characteristics Width Depth Height Weight without keyboard 9 22 89 15 7 inches 400 mm 16 4 inches 416 5 mm 6 2 inches 157 mm Single diskette drive model 23 2 Ib 10 5 kg 40MB or 100MB hard disk drive model 24 9 lb 1
5. Installing Floppy Disk Drives When installing a floppy disk drive as drive B remember to set the drive select jumper to the second position and attach the pas amp through Equity Series Computers 9 22 89 EQUITY 386SX connector on the floppy drive controller cable to the drive not the end connector If the drive does not function normally make sure that the drive type has been correctly selected in SETUP Also check that any special drivers that may be necessary have been installed correctly Installing Hard Disk Drives It is recommended that A 16 bit AT type hard disk controller be used in the Equity 386SX if you are installing A drive that cannot make use of the internal hard disk controller Also remember to disable the onboard hard disk controller when installing such A drive if you are having difficulty in formatting the hard disk drive try starting over with the Unconditional Format option In diagnostics When installing an optional expanded memory board do not list the memory under the memory expansion option in SETUP That option is for EXTENDED memory ONLY Wheninstalling a hard disk drive be sure to consult the drive type tables on page EQ386SX 6 for the drive type which fits the drive you are installing Adding Memory Modules The total amount of memory must be one of the following 1 MB 2M8 4MB 6MB 8MB 10MB 12MB or 14MB Memory banks must be filled with one size SIMM You cannot mix
6. SIMM types in one bank Sockets 7A 8A 12A and 13A accept only 256KB SIMMs The rest of the sockets accept only 1 MB SIMMs The 256KB SIMM sockets must be filled before using any of the 1 MB sockets Software Problems When installing a copy protected software package on the Equity 888 first try the EQ386SxX 5 EQUITY 386SX Installation at 16MHz f this does not work properly try switching to 8MHz for the Installation tf you are still unable to load the program at 16MHz try loading at 8MHz and then switching to 16MHz When using a software package that uses a keydisk as it copy protection method try loading it at 18MHz If this does not work enable the Auto Speed option in SETUP Power on Password Make sure that you do not forget the Power on Password should you set one up If you do it will be necessary to disable it by moving jumper 2 on the main circuit board to the 1 2 position If you enable network server mode after installing a password the computer prompts you for that password before allowing you to access the system as long as you boot the system from the Reference diskette However if you install MS DOS on the hard disk and boot from that drive the prompt no longer appears The computer shows the normal MS DOS prompt e g C gt but it still requires the password before allowing you to access the system In network server mode EQ386SX 6 9 22 89 Equity Series Computers Hard Disk Drive T
7. Toshiba MK 133FA Toshiba MK 134FA none none none none none none none none CDC 94216 106 3 CDC 94216 106 4 Toshiba MK 156F 5 NEC 05147H none Seagate ST251 Toshiba MKS6FB Seagate ST4096 Toshiba MK 154F COC 94166 101 0x94166 141 9 22 89 EQUITY 386SX EQ386SX 7 EQUITY 386SX Typo RO Heads Sectors 36 CDC 94166 182 34 Micropolis 1354A 34 CDC 94166 101 3 COC 94166 1413 CDC 94166 182 3 CONNERCP 344 CONNERCP 3104 Mini 8051A nalive mode Quantum40AT 6 Quantum pro 80AT 6 none or Oo ao Ho so ww Notes 1 Miniscribe 8425F Seagate ST125 2 Conner CP 344 or Miniscribe 8051A can be used as type 17 3 For Western Digital ESDI HDC or Drive Maker default setting 4 Micropolis 1325 Atal 3085 Lanstor Lan64 Maxtor XT1085 Newbury NDR1085 5 Micropolis 1323A Miniscribe 3035 Microscience HH1050 Seagate ST4053 6 The landing zone value 1s 964 Types 1 through 47 arealiocatedal OFE401h IBMnewAT compatible area TunarA0 Hera riadas MP AA anuar EQUITY 386SX Information Reference List Engineering Change Notices None Product Support Bulletins None Related Documentation Y19299100100 Equity 386SX User s Guide Y19499100200 Equity 386SX MS DOS 4 01 Manual Y 19499100300 Equity 386SX Shell User s Guide Y 19499100400 Equity 386SX Command Summary Y 19499100500 Equity 386SX Installation Guide M TM EQ386SX Equity 386SX Servi
8. ce Manual M PM EQ386SX Equity 386SX Technical Reference Manual M PL EQ386SX Equity 386SX Parts List Technical Information Bulletins None Equity Series Computers 9 22 89 EQ386SX 9
9. er 1 020 03F Interrupt Controller 1 040 05F Timer Counter 060 06F Keyboard controller and Port B 070 07F CMOS RAM and Non Maskable Interrupt Mask 080 09F DMA Page Register OAO OBF Interrupt Controller 2 O0CO0 ODF DMA Controller 2 OE0 OFF Numeric Coprocessor 1F0 1F8 Hard Disk Controller 278 27F Parallel Port 1 2F8 2FF Serial Port 1 378 37F Parallel Port 0 380 3BF Parallel Port 2 on some video boards 3F0 3F7 floppy Disk Controller Serial Port 0 Jumper Settings AAA Main system board jumper settings i Jumper Jumper Function i number l setting Jt 1 2 Math coprocessor installed Ji 2 37 No math coprocessor installed J2 12 Password skip enabled Password skip disabled 33 1 2 Disables the built in hard disk drive controller SO yOu can use a hard disk drive controller on an option card in your computer can use a mouse or other pointing device connected to a port on an option card in your computer the device must use the IRQ 12 signal 9 2 3 Enabies the burlt in hard disk drive controller H et v4 whee Sets the P ROM type to 256 Kbits Ja 12 3 Sets the P ROM type to 512 Kbits H j J5 112 Disables the built in mouse connector so you H i JS 123 Enables the built in mouse connector tor use i with a mouse which uses the IRQ 12 signal Factory setting Equity Series Computers 9 22 89 EQUITY 386SX
10. ypes IS 00 01 02 03 04 05 06 07 08 09 Seo USA SF FOR S Ss Equity Series Computers 31 506 51 506 51 506 X 506 31 506 57 506 57 506 37 506 3T 506 ST 506 57 506 57 506 ST 506 ST 506 DL mn a o Dp ST 506 ESDI ESDI ST 506 ESDI 506 506 nn ST 506 ST 506 ST 506 ESDI ESDI ESDI 306 615 615 940 940 615 462 733 900 820 a55 855 306 733 Mm Ff oF oo s e mM mu 612 4 977 5 977 1 1024 133 133 133 306 612 306 612 6 976 306 611 732 1023 Se E T Em a a Ge SS 1022 5 1022 1024 8 828 10 1024 5 615 8 820 6 830 10 1024 967 9 828 1 5 1 967 y A SS a a SA a Seg ee a Sa eg ZU A A a a Se a 3 3 333 34 36 w un on 34 36 lags fo Cylinders Heads Sectors Precomp 128 300 300 512 512 256 128 512 512 128 inding 305 615 615 940 940 615 511 73 901 820 a55 055 319 733 663 977 977 1023 132 132 133 336 663 340 670 132 977 340 663 732 1023 1022 1022 1023 828 1023 618 820 830 1023 828 967 967 10 2 20 4 30 6 32 4 168 20 4 ul 7 30 4 121 204 35 5 497 20 3 26 203 0 5 568 595 304 42 6 30 4 Nh OH Dw LY aoa BN ADA FN S amp S 425 84 8 89 8 68 0 137 5 45 40 8 408 689 16 5 96 2 850 1190 Drive Mm8 Nofixeddisk Used by ESDI 1 reserved COC 94205 51 2
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