Technical Information 1-5
PCMCIA Slots
The Versa 4000 provides a 5 volt, or 3.3 volt interface for either two Type I/Type II
PCMCIA cards, or one Type III PCMCIA card.
Diskette Drive and the NEC VersaBay II
A standard 1.44-MB diskette drive comes installed in the VersaBay II slot on the front of
the system. The VersaBay II expansion slot allows the user to replace the standard diskette
drive with a number of different NEC options including a CD-ROM reader, a second bat-
tery pack, or an additional hard disk drive using the release latches on the bottom of the
unit.
Keyboard
The built-in, 83-key keyboard (U.S) or 79-key keyboard (UK and Germany) uses the stan-
dard QWERTY format. The keyboard provides 12 function keys and 8 cursor control keys,
with an Fn key for ROM-based key functions. The numeric keypad is embedded in the stan-
dard key layout.
NEC VersaGlide
The NEC VersaGlide is a built-in mechanism that functions as the system’s mouse. It con-
trols the on-screen pointer (cursor). To use the VersaGlide, glide your finger across the
NEC VersaGlide pad, and the cursor follows. The buttons on either side of the NEC Ver-
saGlide allow the user to select or deselect menu items. Tap and double-tap are supported
on the VersaGlide pad.
The NEC VersaGlide is the system's default pointing device unless a PS/2 mouse is in-
stalled. If an external mouse is installed, then the NEC VersaGlide is deactivated. A serial
mouse is not supported.
SYSTEM MEMORY
The system board provides 8-MB of standard random access memory (RAM).The NEC
Versa 4000 operates with 4 banks. Banks 0 to 1 are used for the standard 8-MB (with in-
terleaved access support). Banks 2 to 4 are used for memory expansion (without interleaved
access support).
Optional memory cards with a value of 4-, 8-, 16-, or 32-MB can be added to increase sys-
tem memory up to a maximum of 40-MB. In addition, 256 KB of read-only memory
(ROM), 1 x 28F020, enables the system BIOS to be flashed.
Cache RAM is available with L1 write-back access support providing 8 KB for code, 8 KB
for data. L2 write-through access support providing 256 KB.
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