Epson ActionNote 4000 User Manual - Page 120

APPENDIX B-SPECIFICATIONS, Main Unit, Appendix B

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Appendix B Specifications This appendix lists the computer's specifications. It also includes the specifications for international power cables. Main Unit CPU System memory ROM BIOS Video RAM Shadow RAM Clock/ calendar Numeric coprocessor 486SLC microprocessor; 33 MHz (and simulated 8 MHz) clock speed; 1 MHz in Suspend mode 2MB of DRAM soldered on main system board, expandable to 4MB or 8MB using a memory module; the first 640KB is conventional memory and 128KB is used for shadow RAM; the rest can be used as extended or expanded memory 128KB on a single one-time programmable ROM (includes system BIOS, VGA BIOS, and the SETUP program) 256KB, 80ns video memory on main system board; 256KB x 4 frame buffer Shadowing of system and VGA BIOS, 128KB (at E0000 to FFFFF) Real-time clock, calendar, and CMOS RAM for configuration; backed up by built-in Dallas clock chip (DS 1287) Socket for optional Cyrix Cx387SLC or Intel 387SX/SL multifrequency numeric coprocessor Specifications B-1

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Appendix B
Specifications
This appendix lists the computer’s specifications. It also
includes the specifications for international power cables.
Main Unit
CPU
System
memory
ROM BIOS
Video RAM
Shadow RAM
Clock/
calendar
Numeric
coprocessor
486SLC microprocessor; 33 MHz (and
simulated 8 MHz) clock speed; 1 MHz in
Suspend mode
2MB of DRAM soldered on main system
board, expandable to 4MB or 8MB using a
memory module; the first 640KB is
conventional memory and 128KB is used
for shadow RAM; the rest can be used as
extended or expanded memory
128KB on a single one-time programmable
ROM (includes system BIOS, VGA BIOS,
and the SETUP program)
256KB, 80ns video memory on main
system board; 256KB x 4 frame buffer
Shadowing of system and VGA BIOS,
128KB (at E0000 to FFFFF)
Real-time clock, calendar, and CMOS
RAM for configuration; backed up by
built-in Dallas clock chip (DS 1287)
Socket for optional Cyrix Cx387SLC or
Intel 387SX/SL multifrequency numeric
coprocessor
Specifications B-1