Product Description (Model 95 Xp 486); Security; Cover Lock; Power-On Password - IBM PS/2 90 XP 486 Hardware Maintenance Reference

2.0 Product Description (Model 95 XP 486)

The IBM (*) Personal System/2 (*) Model 95 XP 486 computers use the IBM
Micro Channel (*) architecture.
Model 95 are:

Security

-

Cover lock

-

Power-on password

System board
- Processor board (with a connector for a cache option) (with
extended math capability)
- 80486 25-MHz
- 80486 33-MHz
- 80486 50-MHz
- 80486DX2 33/66 33-MHz (runs internally at 66-MHz)
- Processor board (without a connector for a cache option)
- 80486SX 20-MHz (without extended math capability)
- 80487SX 20-MHz (with extended math capability)
- 80486SX 25-MHz (without extended math capability) (with a
second socket for an option processor)
- 80486DX2 25/50 25-MHz (with extended math capability) (runs
internally at 50-MHz)
- 80486 50-MHz (with extended math capability and cache)
- 64 byte complementary metal-oxide semiconductor (CMOS) random
access memory (RAM) with real-time clock and 8KB (KB equals
approximately 1000 bytes) CMOS RAM extension.
- Shipped with a minimum of 4MB (MB equals approximately 1 000 000
bytes) of random access memory (RAM).
capacity.) Minimum required memory is 2MB.
-

Video

- Extended graphics array (XGA (*)) with 512KB expandable to 1MB
(occupies one of the eight expansion slots)
- Video graphics array (VGA) compatible
- Eight 32-bit expansion slots
- Six 32-bit expansion slots with matched-memory extension
- One 32-bit expansion slot with auxiliary-video extension
- One 32-bit expansion slot with base-video extension
- Serial-port connector
- Parallel-port connector
-

Diskette-drive controller

- Battery (to keep CMOS RAM active when power is off)
- Keyboard connector
- Pointing-device connector
Initial Machine Load (IML) support
Power supply
- Switchable to the 100-125 V ac or the 200-240 V ac range
- 50 or 60 Hz
Speaker
Information panel
Small Computer System Interface (SCSI) adapter with internal and
external connectors (occupies one of the eight expansion slots)
101/102/122-key keyboard
SCSI fixed disk drive (hard disk drive)
Diskette drive.
(*) Trademark of the International Business Machines
Corporation.
Subtopics
2.1 Security

2.2 Override Jumper

2.3 System Features

2.4 System Memory

2.5 Resolving Memory-Address Conflicts

2.6 Selectable Drive-Startup Sequence

IBM PS/2 Model 90 XP 486 and 95 XP 486 HMR
Product Description (Model 95 XP 486)
The features of the various types of the
(64MB total system memory
¦ Copyright IBM Corp. 1990, 1992
2.0 - 1