Instrukcja obsługi Epson 486 UC+

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Epson EL 486UC+
Computer Specifications
EL 486UC+ Specifications
The following diagrams illustrate the outside of the CPU and Memory
EL 486UC+ system.
32-bit CPU Intel 486SX/25 microprocessor;
upgradable to 486SX/33, 486DX/33,
486DX2/50, or 486DX2/66
System speed Fast and slow speeds available; fast speed
is 25 MHz or the speed of your upgraded
microprocessor, slow speed is 8 MHz;
speed selection through keyboard
commands or jumper setting
To select slow speed, press Ctrl Alt and-;
to select fas

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Epson EL 486UC+ Diskette Controller on main system board supports Keyboard Detachable, two-position height; 101 or up to two diskette drives or one diskette 102 sculpted keys; countrydependent drive and one tape drive main typewriter keyboard; numeric/cursor control keypad; four-key Hard disk Interface on main system board supports cursor control keypad; 12 function keys up to two IDE hard disk drives with built-in controller; BIOS provides hard SETUP Stored in ROM; accessible by pressing F2 dis

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Epson EL 486UC+ Major Subassemblies Jumper Settings J19 J23 System J25 J37 J=,Jn,J=,aQ Miscellaneous jumper settings Epson EL 486UC+-3

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Epson EL 486UC+ External cache jumper settings* Video memory configuration * Standard video memory *If you have no external cache installed, the position of these jumpers does not matter. Video resolutions and colors Processor type jumper setting J21 J22 1-2,3-4 1-2 486DX, DX2 486SX 2-3 Off 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 (when available) SIMMs in the External Cache compute

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Epson EL 486UC+ The SX/25, SX/33, and DX/33 processors require a heat sink. The DX2/50 and DX2/66 processors require a heat sink and a fan. Make sure jumpers J21, J22, and J15 are set correctly for the new processor. Hard Disk Drive Types Drive Option Information The EL 486UC+ comes with a hard disk auto-sensing feature. when you press Enter with the cursor positioned on the Hard disk drive options for 1-inch IDE drives** Autotype Fixed Disk option in SETUP, the system detects the type of hard d

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Standard diskette drive specifications System Memory Map 000FFFFFFh DMA Assignments 00100000h 000C0000h Hardware Interrupts 000A0000h 12/1/93 Epson EL 486UC+-6

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Epson EL 486UC+ Connector Pin Assignments System l/O Address Map Parallel port connector pin assignments (CN3) Serial port connector pin assignments (CN4 and CN5) Keyboard and mouse connector pin assignments (CN7 and CN6) VGA port connector pin assignments (CN2) Power supply connector pin assignments (CN8) Diskette drive connector pin assignments (J16)* *All odd-numbered pins are grounds Epson EL 486UC+-7 12/1/93

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Epson EL 486UC+ 12/1/93 Epson EL486UC+-8

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Epson EL 486UC+ 0 If you are installing a video adapter card that doesn’t Installation/Support Tips support VGA, make sure you disable the built-in VGA by setting jumper J18 to the Off position. Installing Diskette Drives COM Port Assignment Make sure that the drive type has been correctly selected in the SETUP program. If you want to assign COM1 as COM3, you must set jumper J5 to position 2-3. If you want to assign COM2 as COM4, you Installing Hard Disk Drives must set jumper J6 to position 2-3