Epson ActionPC 1500 Product Information Manual
Epson ActionPC 1500 Product Information Manual

Epson ActionPC 1500 Product Information Manual

Product information guide
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hard disk
speed light power light
access light
\
I
diskette drive
vol t age
swi t ch
I
I
Inlet
AC outlet
button \
slots
drive bays
reset button
I
I
MOUSE
PARALLEL
COM1
MOUSE
Km
AC inlet
\
A C o u t l e t \ voltage switch
EPSON ActionPC 1500/2000, ActionTower 2000
Computer Specifications
CPU and Memory
32-bit CPU
Cyrix 486SLC-33 or SLC2-50
microprocessor
System speed
Fast and slow processor speeds available;
fast is the speed of your processor and
slow is 8 MHz
Press Ctrl Alt - to select slow speed or Ctrl
Alt + to select fast speed (use the - or + on
the numeric keypad); default system
speed selectable through SETUP
Memory
2MB, 4MB, or 8MB RAM standard on
SIMMs; expandable to 16MB using 1MB or
4MB SIMMs; SIMMs must be tin-plated,
30-pin, 8-bit or 9-bit, fast-page mode type
with access speed of 70ns
ROM
128KB Phoenix system BIOS, video BIOS,
and SETUP program located in EPROM
on main system board
Video RAM
At least 512KB DRAM on main system
board; expandable to 1MB using four
4 x 256 DIP-type DRAM chips
Supports shadowing of system and video
Shadow RAM
BIOS ROM into RAM
Supports relocation of 128KB of memory
Memory
relocation
from A0000h to BFFFFh
Cache
1KB of internal cache on processor
Math
Cyrix 83S87-33 or 83S87-25
coprocessor
Real-time clock, calendar, and 114 bytes of
Clock/
CMOS RAM socketed on main system
calendar
board with built-in rechargeable NiCad
battery backup
Controllers
Video
Cirrus Logic GD5424 high-speed super
VGA local bus on-board controller;
provides True Color support and
resolutions up to 1280
with 1MB of video RAM
Controller on main system board supports
Diskette
up to two diskette drives or one diskette
drive and one tape drive
Hard disk
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
5/9/94
EPSON ActionPC 1500/2000, ActionTower 2000 - 1
1024 in 16 colors
x

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Summary of Contents for Epson ActionPC 1500

  • Page 1 IDE interface on main system board supports up to two IDE hard disk drives slots with built-in controller; BIOS provides hard disk auto-sensing function AC inlet A C o u t l e t \ voltage switch 5/9/94 EPSON ActionPC 1500/2000, ActionTower 2000 - 1...
  • Page 2 (-100 to 3.000 m) (-100 to 12.000 m) storage capacity Maximum wet bulb 68° F (20° C) 1 134° F (57° C) Combination diskette drives: 3.5-inch, Acoustical noise I46.2.a 1 N/A 1.44MB and 5.25-inch, 1.2MB 2 - EPSON ActionPC 1500/2000, ActionTower 2000 5/9/94...
  • Page 3: Major Subassemblies

    J10-J12 video memory sockets ActionPC coprocessor so&et drive mounting drive bays bracket microprocessor option card ActionTower \ connector board - herd disk drive mounting bracket poker drive bays SIMM sockets supply 5/9/94 EPSON ActionPC 1500/2000, ActionTower 2000 - 3...
  • Page 4: System Board Components

    EPSON ActionPC 1500/2000, ActionTower 2000 System Board Components The diagram below illustrates the components on the ActionPC/ActionTower system board. The table following it describes these components. c U I O CN11 4 - EPSON ActionPC 1500/2000, ActionTower 2000 5/9/94...
  • Page 5: Jumper Settings

    You can increase the video memory to 1MB by installing four video DRAM DIP (Dual Inline Package) chips (44256), 70ns. For the memory to work properly, you must install one chip in each socket. Enables diskette drive con 5/9/94 EPSON ActionPC 1500/2000, ActionTower 2000 - 5...
  • Page 6: Hard Disk Drive Types

    Cqlhdm BWWB) Hndr pmmp Rlwnms c?30064E oP3mw II024 1655 16.56 llolO Select 1 or none for the precomp value. If neither of these options are available, select the maximum available precomp value. 6 - EPSON ActionPC 1500/2000, ActionTower 2000 5/9/94...
  • Page 7: Hardware Interrupts

    Available (8-bit) DMA2 Diskette drive controller (8-bit) Available DMA3 Available (8-bit) DMA4 Cascade for DMA2 DMA5 Available (16-bit) 000C8000h DMA6 Available (16-bit) VGA BIOS ROM DMA7 Available (16-bit) 000C0000h Display memory 640KB 000A0000h 5/9/94 EPSON ActionPC 1500/2000, ActionTower 2000 - 7...
  • Page 8: Connector Pin Assignments

    Game port connector pin assignments (CN8) Power supply connector pin assignments (CN11) Signal Signal Ground Power good +5VDC Ground - 5 V D C +12 VDC +5VDC - 1 2 V D C 1 +5VDC 1 Ground 8 - EPSON ActionPC 1500/2000, ActionTower 2000 5/9/94...
  • Page 9 S p e a k LED connector pin assignments (CN18) Signal Signal HDD LED (+) Turbo LED (-) HDD LED (-) Power LED (+) Turbo LED (+) Power LED (-) (RAM1,2,3,4) SlMM sockets Active low logic 5/9/94 EPSON ActionPC 1500/2000, ActionTower 2000 - 9...
  • Page 10: Tested Operating Environments

    If the auto-sensing feature does not produce a match for the drive, you can define your own drive type by selecting User or User as the type and Def 1 Def 2 entering the drive’s exact parameters. 10 - EPSON ActionPC 1500/2000, ActionTower 2000 5/9/94...

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