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1.0 Product Description
The IBM (*) Personal System/2 (*) Model N51 SX (hereafter called Model
N51) is a notebook-size computer that uses the IBM Micro Channel (*)
architecture.
With an internal rechargeable battery, the Model N51
operates outside an office environment as well as where external power
source is available.
The features of the Model N51 include:
Security:
power-on password and keyboard password
System board:
-
16-MHz 80386SX (**) microprocessor
-
Minimum of 2MB (MB equals 1 048 576 bytes) random access memory
(RAM), up to 10MB expandability on the system board
-
Complementary metal-oxide semiconductor (CMOS) RAM with a
real-time-clock and an 8KB (KB equals 1024 bytes) CMOS RAM
extension, to store configuration and status information
-
Read-only memory basic input/output system (ROM BIOS)
-
Diskette-drive controller
-
Hard disk drive (fixed disk drive) with system partition supported
-
Video Graphics Array (VGA) with Liquid Crystal Display (LCD)
controller
-
LCD panel connector
-
Serial port
-
Parallel port
-
External-display port
-
System-expansion port
-
Keyboard controller
-
External input device port
-
Optional communication-interface connector for:
Internal data/fax modem (U.S./Canada only)
Secondary serial adapter.
-
Suspend and resume functions
A maximum 640 by 480 PELs, 32 shades of gray addressable LCD with a
back light
Reverse video switch
Power source:
-
Rechargeable battery pack
-
AC adapter, automatically switches to the 90 - 137 V ac or the 180
- 264 V ac range, 50 or 60 Hz
-
Car battery adapter, 12 V dc.
84/85-key keyboard physically unique to the Model N51
Speaker with a volume control.
(*) IBM, Personal System/2, and Micro Channel are trademarks of
the International Business Machines Corporation.
(**) 80386SX is a trademark of the Intel Corporation.
Subtopics
1.1 Security
1.2 System Board Features
IBM PS/2 Model N51 SX HMR
Product Description
¦ Copyright IBM Corp. 1991
1.0 - 1
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