IBM PS/2 (Enhanced Model 90 XP 486) - Technical Specifications


IBM Enhanced Personal System/2 Model 90 XP 486

General information
Machine type: 9590
Announce date: March, 1993

Excerpt from the original announcement letter;

"IBM brings enhanced ergonomic features and added function to its popular Personal System/2 (R) (PS/2(R)) Model 90 XP 486 family of products (0LA and 0LF) with new ISO capable models featuring Intel 486DX2-50 microprocessor. The new models are based on existing 8590 technology and feature greatly enhanced graphics support. The new 9590 models support all features and options currently available on the corresponding 8590 models. As with all PS/2 Model 90 XP 486 systems, these feature Micro Channel architecture and an upgradeable processor complex card and are designed to take advantage of today's technology, as well as future processor enhancements. All models feature pre-installed OS/2 2.00.1 supporting 16 and 32-bit applications, an IBM mouse, a 2.88MB diskette drive, 8MB of system memory, and the XGA(tm)-2 Display Adapter/A. One model features a new, high capacity 212MB (million bytes) fixed disk drive. The other model features a new, capacity 400MB (million bytes) fixed drive."

System characteristics
Microprocessor: Intel 80486DX-2
Clock speed: 50Mhz
Coprocessor: integrated 80487 on 486DX2
Type of BUS: 32-bit Micro Channel
Total number of expansion slots: 4 (desktop case)
Ports: PS/2 keyboard, PS/2 mouse, 2 DMA serial, DMA parallel, XGA-2,

Memory
Min/Max on system board: 8/64MB
Type of memory:
RAM: DRAM (PS/2 72-pin SIMM) 70ns parity checked (8 sockets)
ROM: 128kb
Cache: 8kb L1, 0kb L2

Physical description
Power supply: 194w, 110-220VAC manual voltage switch
Weight: 11.4kg (25 lbs) (one fixed disk installed)
Dimensions (HxWxD): (140 x 440 x 430mm)

Mass storage
Drive bays: 4 ( 3 x 3.5" HH, 1 x 5.25" HH)
Floppy Disk
Size: 3.5 inch half-height
Capacity: 1.44MB
Hard disk
Size: 3.5 inch half-height
Capacity: 212 (0LA), 400MB (0LF)
Access time:
Interface: SCSI (PS/2 bus master SCSI adapter/A with cache)

Display
Size:
Display type: Optional Analog CRT
Graphics modes supported: Integrated 32-bit XGA-2 Display adapter/A (1MB)

1024x768, 256 colours
640x480, 65536 colours

Keyboard
Type: 101 key enhanced, 122 key host connect, 84 key space saving

Software
Operating system: IBM PC DOS Versions 5.0, OS/2 V.2, AIX PS/2 1.3

Configurations
Various memory, diskette drive, hard drive, monitor, and keyboard configurations including;
9590-0LA - System Unit 486DX2-50, 8MB, 212MB, 2.88, 101 keyboard
9590-0LF - System Unit 486DX2-50, 8MB, 400MB, 2.88, 101 keyboard
9590-KLA - System Unit 486DX2-50, 8MB, 212MB, 2.88, 101 keyboard, OS/2 2.1
9590-KLG - System Unit 486DX2-50, 8MB, 540MB, 2.88, 101 keyboard, OS/2 2.1
9590-DLA - System Unit 486DX2-50, 8MB, 212MB, 2.88, 101 keyboard, Choice of PC DOS 6.1/Win 3.1 or OS/2 2.00.1 or OS/2 2.1
9590-DLG - System Unit 486DX2-50, 8MB, 540MB, 2.88, 101 keyboard, Choice of PC DOS 6.1/Win 3.1 or OS/2 2.00.1 or OS/2 2.1

Options

Description (#Feature Number) (Part Number)

SYSTEM BOARD MEMORY:
MEMORY CACHE:
DASD:
COMMUNICATIONS:
* Due to physical limitations of these adapters, they cannot be installed in slot #4 of the PS/2 Model 90 XP 486 systems.

PROCESSOR UPGRADE:
DISPLAYS AND DISPLAY ADAPTERS:
** - Supports VGA or lower resolution modes only.
$ - The IBM Personal System/ M-Motion Video Adapter requires the M-Motion Adapter Software Diskette version 1.01 or higher.

Plus many more IBM and 3rd party adapter cards...
Note: Options may no longer be available from IBM.


Document ID:  GJAN-43WMQ9
Last Modified:  2000-04-13
Copyright © 2000 IBM Corporation