Bedienungsanleitung Epson 4SLC-25

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EPSON ActionNote
128KB system BIOS, video BIOS, and
ROM
Setup code located in OT-PROM on main
system board
Video RAM 256KB DRAM on main system board
Shadow RAM Supports shadowing of system and video
BIOS ROM into RAM
Socket for optional CyrixCx 83S87-33 (for
Numeric
the 33 MHz model) or 83S87-25 (for the
coprocessor
25 MHz model) or an Intel 387SX (for the
25 MHz model) multifrequency numeric
coprocessor
Clock/calendar Real-time clock, calendar, and CMOS
RAM; backed up by built-in Dallas
compati

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EPSON ActionNote LEDs LCD Display Monochrome: 640 x 480 x 32 shades of gray, 0.3 mm, high-contrast 2-film; Power-Power is on paper-white, backlit by one CCFT (cooled cathode fluorescent tube); continuous brightness and contrast controls; Low battery-Battery capacity is less than 20% power-saving feature Charging-Battery is fully charged; blinks when the Setup Program Stored in ROM; accessible by pressing the AC adapter is connected and charging the battery Delete key when prompted during boot (m

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EPSON ActionNote Main System Board Diagram 7/27l93 ActionNote-

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EPSON ActionNote Serial Port Connectors (J1 and J6) Major Subassemblies fax/modem video (optional) controller CPU chip Dallas clock \ \ I Serial Port Connector Pin Assignments I Pin I Signal Pin I Signal I 1 Data carrier detect 6 Data set ready 2 Receive data 7 Request to send 3 Transmit data 8 Clear to send 4 Data terminal ready 9 Ring indicator 5 Signal GND Pointing Device Connector (J10) / power numeric \ supply coprocessor 3 l&inch, 1.44MB diskette drive This connector supports simultaneous

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EPSON ActionNote Internal Keyboard Connector (J14) AC-DC Power Connector (JP1) pin 4 pin 3 pin 1 pin 2 Power Connector Pin Assignments Internal Keyboard Connector Pin Assignments LED Connector (J5) Internal Keyboard Connector (Jl5) LED Connector Pin Assignments Pin Signal Pin Signal Internal Keyboard Connector Pin Assignments 1 Ground 6 Charging Pin Signal LED 7 /LOSPD 2 Hard disk drive 1 caps Lock 8 BATTLO 3 caps Lock 2-12 Keyboard data line 4 Num Lock 9 Ground 15 1 10 1+5v 1 Scroll Lock I DC-D

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EPSON ActionNote Diskette Drive Cable Connector (J18) Fax/modem Connector (J11) pin 26 pin 1 1111111111111111111111111 / \ pin 1 pin 15 Fax/modem Connector Pin Assignments Diskette Drive Connector Pin Assignments Pin Signal Pin Signal 18 WGATE 2 /INDEX 4 /DRV0 20 /TRK0 6 DSKCHG 22 /WRPRT 8,13 Reserved 24 /RDATA 9 1 RPM/LC 26 HDSEL 10 1 /MTR0 1-11 +5VDC 12 1 DIR (odd) 14 1 /STEP 15-25 Ground 1 16 1 /WDATA I (odd) LCD Panel Connector (J7) IDE Hard Disk Drive Connector (J13) LCD Connector Pin Assig

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EPSON ActionNote DMA Assignments Hard Disk Drive Types * BIOS dependent Note: Type 47 must be selected to enter User Defined drive specifications. Hardware Interrupts Information Reference List Engineering Change Notices None. Technical Information Bulletins None. Product Support Bulletins None. Related Documentation Epson ActionNote Service Manual TM-ACTNOTE ADDACTNOT33 ActionNote Service Manual Addendum System I/O Address Map Epson ActionNote Parts Price List PL-ACTNOTE SPKACTNOT33 Epson Actio