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NEW EPSON ActionPC 5000, ActionTower 5000
drive bays drive bays
speed light power light power light hard disk hard disk reset button reset button
Computer Specifications
CPU and Memory
32-bit CPU 486SX/25 or /33; SX2/50 or /66;
DX/33, /40, or /50; DX2/50 or /66;
DX4/75 or /100; or Pentium™OverDrive™
processor
Energy Star compliant, low-power,
Green PC
standby mode for the hard disk drive and
energy saver
I
diskette drive
video signals sent by the computer to the
button
monitor; select timeout pe
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NEW EPSON ActionPC 5000, ActionTower 5000 Cache 8KB of internal cache; supports 64KB, Option slots Action PC: 128KB, or 256KB of external cache using Connector card with five 16-bit, ISA compatible expansion slots; three 28-pin, 8 x 8 or 32 x 8, 20ns DIP chips; in full-length and two half-length; two of the 486DX/50 or Pentium OverDrive systems, full-length slots are also VESA local bus use a 15ns tag chip. compatible Math Math coprocessor built into the coprocessor microprocessor for DX, DX2, D
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NEW EPSON ActionPC 5000, ActionTower 5000 SETUP Stored in ROM; accessible by pressing F2 Major Subassemblies during boot Program System security User and Supervisor level passwords The following diagrams illustrate the major subassemblies in the ActionPC 5000 and ActionTower 5000 systems. (8 characters) available for system boot or diskette access ActionPC Virus protection Write protection feature for the hard disk drive boot sector; periodic reminder option card message for running virus detect
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NEW EPSON ActionPC 5000, ActionTower 5000 System Board Components The diagram below illustrates the components on the ActionPC 5000/ActionTower 5000 system board. The table following it describes these components. nrnnnnnnn I I I I I U49 I mm CN16 9 mmcmn CN18 4 - NEW EPSON ActionPC 5000, ActionTower 5000 8/94
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NEW EPSON ActionPC 5000, ActionTower 5000 components External cache jumper settings J26 J28 Socket I component Cache size* J24 J25 J27 U1, U2, U4, I SIMM sockets 64KB On Off Off 1-2 Off U6 128KB On On Off 2-3 2-3 U5 Keyboard/mouse controller 256KB On On On 1-2 1-2 U12, U13 Super I/O controller (UMC82C863,865); supports up to two l *If you have no external cache installed, the position of these jumpers does not diskette drives. two serial pods, and one parallel port matter. U15 Microprocessor (ZI
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NEW EPSON ActionPC 5000, ActionTower 5000 Video resolutions, colors, and refresh rates SIMM Installation Memory Refresh Requirements rates (Hz) Resolution (MB) Color Remarks The computer comes with 4MB or 8MB of memory on a 640X480 1 256 60/72 8 bits/pixel SIMM. You can increase the memory in this computer up to 1 32K/64K 60 16 bits/pixel 64MB by installing additional SIMMs. There are four SIMM 1 16.8M (True 60 24 bits/pixel sockets on the main system board, and each can contain one SIMM. You c
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NEW EPSON ActionPC 5000, ActionTower 5000 Hard Disk Drive Types Drive Option Information Your computer comes with a hard disk auto-sensing feature. IDE hard disk drive jumper settings When you select the Autotype Fixed Disk option, the system detects the type of hard disk drive you have installed and fills in the drive information using values in the following table. Hard disk drive types l CS (cable selection) can also be jumpered for any configuration. When CS is used, the drive is a master if
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NEW EPSON ActionPC 5000, ActionTower 5000 Diskette and magnet-optical drive specifications System Memory Map FFFFFFFFFh System BIOS ROM: 64KB Duplicated from 0F0000h FFFFF0000h Resewed for system board: 64KB Duplicated from 0E0000h 64MB (Maximum system 4000000h memory) Extended memory 001000000h DMA Assignments System BIOS ROM: 64KB Default Shadow RAM duplicated at FF0000h Level Assigned device OOOFOOOOh DMA0 Reserved (8-bit) Unused or I/O expansion ROM: 160KB DMA1 Reserved (8-bit) Resewed for R
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NEW EPSON ActionPC 5000, ActionTower 5000 System l/O Address Map Connector Pin Assignments -Hex address Assigned device Parallel port connector pin assignments (CN12) 000-01F DMA controller 1,8237 Pin Signal Pin Signal Pin Signal 020 - 03F interrupt controller 1,8259 1 Strobe’ 10 ACK * 19 Signal ground 022 - 024 UMC 82C481 chip set configuration register 2 Data 0 11 Busy 20 Signal ground 034,03B,03C AD12 chip set configuration registers 040 - 05F Timer, 8254 060-06F Keyboard controller, 8042 070
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NEW EPSON ActionPC 5000, ActionTower 5000 Diskette drive connector pin assignments (CN4) Option card riser board connector pin assignment: (S1) (continued) Pin* Signal Pin* Signal 20 Step 2 NC NC 22 Write data 4 enable 6 NC 24 Write Ail odd-numbered pins are grounds * Hard disk drive connector pin assignments (CN13) ‘Active low logic VESA 112-pin expansion slot 13 ID2 1 127 1 IOCHRDY* 14 ID13 128 IBALE I *Active low ioglc Speaker connector pin assignments (CN16) Pin Signal Pin Signal 1 +5VDC 3 N
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NEW EPSON ActionPC 5000, ActionTower 5000 Option slot connector pin assignments SA16 S415 S414 SA13 SA12 l Active low logic SA11 SA10 SA9 SA8 Tested Operating Environments IA25 IS48 1 C13 1 SD10 1 B19 I 1 Although your system will run most software applications, *Active low logic the following operating environments have been tested for compatibility with your system. VL-bus slot connectors pin assignments Microsoft MS-DOS 3.3 and later Novell DR DOS Novell NetWare* 2.2, 3.12, and 4.01 Novell Ne
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5000, ActionTower 5000 NEW EPSON ActionPC Installing Option Cards Installation/Support Tips If you are installing a video adapter card that doesn’t support VGA, make sure you disable the built-in VGA by removing Installing Diskette Drives jumpers J20 and J21. P Make sure that the drive type has been correctly selected in the SETUP program. Installing External Cache Cl Make sure jumper J6 is set to position 1-2 to enable the When installing cache on a 486DX/50 or Pentium OverDrive diskette drive
