Epson Endeavor 486I Product Information Manual
Epson Endeavor 486I Product Information Manual

Epson Endeavor 486I Product Information Manual

Product information guide
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hard disk
access light
SPEED light POWER light
(HDD)
AC outlet
voltage
switch
POWER
button \
RESET
button +
option
slots
EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i
RESET
drive bays
button
serial 1 serial 2
POWER light
SPEED light
hard disk
access light
drive bays
VGA monitor
printer (parallel device)
serial 2
serial 1
mouse
keyboard
AC inlet
AC outlet
Computer Specifications
CPU and Memory
32-bit CPU
Upgradable 486-class processors
Green PC
Energy Star compliant, low-power
standby, doze and suspend modes for the
energy saver
CPU, hard disk drive, and video signals
sent by the computer to the monitor; select
time-out periods in SETUP; in a standard
configuration of one hard disk drive and
one diskette drive, system consumes less
than 30 Watts in standby mode
System speed
Fast and slow processor speeds available;
fast is the speed of the processor and slow
is 8 MHz; from MS-DOS applications,
speed selectable by keyboard command
Memory
4 or 8MB RAM standard using SIMMs;
expandable to 128MB using 1, 2, 4, 8, 16,
and 32MB SIMMs; SIMMs must be
tin-plated, 72-pin, 32-bit, fast-page mode
type with access speed of 70ns or faster
128KB Phoenix system BIOS, video BIOS,
ROM
and SETUP code located in Flash ROM on
main system board
Video RAM
1MB DRAM on main system board;
expandable to 2MB using two 512KB,
40-pin, SOJ flat pack video DRAM chips
Supports shadowing of system and video
Shadow RAM
BIOS ROM into RAM; video shadowing
selectable in SETUP program
8KB of internal cache in the processor;
Cache
supports 128, 256, or 512KB of external
cache with 32K x 8, 64K x 8, or 128K x 8,
15ns or 20ns SRAM DIP chips and a
32K x 8 tag chip
Math coprocessor built into the processor
Math
on all DX and Intel® Pentium™ OverDrive™
coprocessor
processors
Real-time clock, calendar, and CMOS
Clock/calendar
RAM socketed on main system board with
integrated lithium battery
Controllers
Provides PCI caching, memory and
PCI Chipset
control for the PCI bus, and the
two-channel PCI IDE interface; integrated
PCI bridge translates CPU bus cycles to
PCI bus cycles and CPU-to-PCI memory
write cycles to PCI burst cycles
5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 1

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Summary of Contents for Epson Endeavor 486I

  • Page 1 PCI IDE interface; integrated keyboard option PCI bridge translates CPU bus cycles to slots PCI bus cycles and CPU-to-PCI memory write cycles to PCI burst cycles AC inlet ’ voltage selector switch AC outlet 5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 1...
  • Page 2: Physical Characteristics

    15.8 inches (401 mm) 13.2 inches (337 mm) Height 4.4 inches (112 mm) 20.6 lb (9.3 kg) with one Weight 18.2 lb (8.3 kg) with one diskette drive, without diskette drive, without keyboard keyboard 2 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95...
  • Page 3: Power Supply

    Normal CMOS values ,,,, Enables on-board VGA controller Disables on-board VGA controller * Default setting Parallel port ECP mode DRQ jumper settings Function JP18 DRQ1 (DACK1)* DRQ4 (DACK3) * Default setting 5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 3...
  • Page 4: System Board Components

    EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i System Board Components The diagram below illustrates the components on the ActionPC 7000/ActionTower 7000/Endeavor 486i board. The table following it describes these components. 4 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95...
  • Page 5: Simm Installation

    2MB, 4MB, 8MB, 16MB, and 32MB SIMMs. The sockets are labeled on the main system board. The following table shows the recommended SIMM configurations. Do not install SIMMs in any other configuration. 5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 5...
  • Page 6: External Cache

    The system detects the type of hard disk drive, fills in 800 x 600 60/72/75 1 8 bits/pixel the drive’s parameters, and sets the remaining options on the screen. 1024 x 768 1280 x 1024 * Non-interlaced and interlaced ** Interlaced 6 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95...
  • Page 7: Hard Disk Drive Information

    Conner CFS425A C/D jumpered Conner CFS420A CID jumpered Conner CFS270A CID jumpered Western Digital AC2540 No jumpers Western Digital AC2420 No Jumpers Western Digital AC2340 No jumpers Western Digital AC2250 No jumpers 5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 7...
  • Page 8: System I/O Address Map

    Signal ground Motor B Disk change Data 5 lnit * Signal ground Direction Data 6 Selectin * * All odd-numbered pins are grounds Data 7 Signal around * Active low logic 8 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95...
  • Page 9 ISA option slot connector pin assignments *Active low logic Option card riser board connector pin assignments * Active low logic SIMM socket connector pin assignments * Active low logic * Active low logic 5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 9...
  • Page 10: Tested Operating Environments

    0 When running a software package that uses a key disk as EPSON Endeavor 486i User's Guide its copy-protection method, try loading it at high speed. If this does not work, load it at low speed. 10 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95...

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