NEC PowerMate V486 Series Manual page 237

Random Access Memory (RAM)
Support for up to 64 MB of high-speed RAM with the
installation of SIMM sticks
Expandable in increments of 4 MB, 8 MB, 16 MB, and 32
MB, using 1-MB by 32-bit, 2-MB by 32-bit, 4-MB by 32-
bit, and 8-MB by 32-bit SIMM sticks
Read-Only Memory (ROM)
Flash ROM — 1 Mbit or 128 KB
System BIOS — 64 KB
Video BIOS — 32 KB
Reserved 32 — KB
Video Dynamic RAM (DRAM)
Standard Memory — 1 MB
Expandable to 2 MB
Calendar Clock
Year/Month/Day/Hour/Minute/Second/.01 Second;
maintained by battery backup
Battery Type — 3-volt lithium, non-rechargeable
Input/Output (I/O) Facilities
Integrated Industry-Standard Interfaces
Parallel — one 25-pin connector
Serial — two RS-232C ports; support asynchronous
communication, up to 9600 bps, 9-pin connectors
VGA Video Monitor — supports standard, super, and
high-resolution VGA modes, 15-pin connector (D-shell)
Keyboard — PS/2-compatible, 6-pin connector
(mini DIN)
Mouse — PS/2 compatible, 6-pin connector (mini DIN)
B-2 Specifications