Generalfeatures - Epson NX Service Manual

System Overview
General Features
The following features are standard:
Intel i486DX2/66 CPU
PGA CPU-type ZIF socket that can also contain a future OverDrive processor
8KB CPU Cache and Epson VirtualCache
C&T Wingine
Diskette drive (3%inch)
A choice of no hard drive, a 170MB Conner IDE hard disk drive, a 24OMB Quantum
IDE hard disk drive, or a 525MB Quantum SCSI hard disk drive
20MB of on-board memory in the 170MB or 240MB HDD configurations or
36MB of on-board memory in the 525MB HDD configuration; expandable with
SIMMs to 128MB
2MB of on-hoard video DRAM
Texas Instruments RAMDAC
A 16-bit Ethernet adapter (either an Intel EtherExpress
PLUS Elite16 Combo)
Selectable shadow RAM for system BIOS and video BIOS
Two RS-232C serial ports and a Centronics standard bidirectional parallel port
PS/2compatible mouse and keyboard ports
Built-in VGA video port
Four full-length, horizontal, 16-bit, ISA option slots (three available)
Keyboard with mini-DIN type connector
100-240 VAC worldwide power supply with switch-selectable input; 145 watts.
Table 1-l describes the overall physical dimensions of the system.
1-2 Epson NX Service Manual
TM
64200 video display driver
Physical Description
TM
(secondary)
TM
16C or an SMC EtherCard
Table l-l