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Document ID: GJAN-42ZLVD

PS/1 - 2123 - Technical specifications

Applicable to: Canada

Overview:

Source: Announcement letter A92-247
The PS/1 2123 was released in April, 1992. The processor was kept as an 80386SX, a math co-processor socket was added along with 2 open 72 pin SIMM sockets and a third AT-slot. Internal modems were not included. The 4-Quad User Interface was not maintained. DOS 4.01 was upgraded to DOS 5.0. NOTE: Due to the age of the system, the Options for the 2123 are no longer orderable from IBM.

Types:


System Planar:

Microprocessor

80386SX

Clock Speed

20MHz

Upgradeable

No

CoProcessor Socket

Yes (Supports Intel 80387SX 20MHz)

Bus Type

ISA/AT

Internal Bus

32

Address Bus

24

External Bus (I/O)

16

Interrupt Levels

16

DMA Channels

7

AT Adapter Slots

3 full-length

Modem

No (Available as an option)

Internal speaker

Yes


Memory:
2MB Standard on the planar and 2 open SIMM sockets. Memory can be upgraded using any combination of 1MB, 2MB, 4MB or 8MB SIMMs. To obtain maximum addressable memory of 16MB, two 8MB SIMMs are required. Memory above 16MB is not addressed. After adding memory you need to boot with the Starter Diskette and run AutoConfig.

Standard

2 MB (soldered on the Planar)

Speed

80ns (Min 85ns)

SIMMs

2 open sockets

Speed

85 NS or faster

Max Addressable

16 MB

Chip Type

72 pin PS/2 SIMM, DRAM


Memory Options:

Part Number

Description

6450603

1MB - 85ns

6450604

2MB - 85ns

6450608

2MB - 80ns

87F9977

4MB - 80ns

6450129

8MB - 80ns

6450902

2MB - 70ns

6450128

4MB - 70ns

6450130

8MB - 70ns


Media:

3.5" 1.44 MB

Yes

5.25" 1.2 MB

Optional

Max Drives

3

Std Fixed Disk

80MB (129MB on types 131,135,K31,K35)

Max # of Fixed Disks

2 slimline

Fixed Disk Size

40, 80, or 129 MB

Controller Type

IDE (Industry Standard)

Access Time

21ms (40MB/80MB) 17ms (129MB)


Disk Drive Options:

Part Number

Description

92F9937

80MB Fixed Disk

92F9938

129MB Fixed Disk

34G5833

5.25" Slim High DD


Video:

Monitor

14"

Mode

VGA 16-bit graphics

Resolution

640x480

Colours

16

Interlaced

Yes

Dot Pitch

0.39mm (Monitors shipped October through December '92 = .41mm)

Memory

256kb (Not Upgradeable)


Options:

5841001

1200bps external modem

5853001

2400bps external modem


Preloaded Software:


Physical Specifications:

System Unit

Dimensions

Width

406mm 16.0in

Depth

396mm 15.6in

Height

102mm 4.0in

Weight

10.5kg 23.0lbs

Monitor

Dimensions

Width

356mm 14.0in

Depth

382mm 15.0in

Height

382mm 13.9in

Weight

13.0kg 28.6lbs

Keyboard

Dimensions

Width

45cm 17.75in

Depth

11cm 6.25in

Height

4cm 1.5in

Weight

1 kg 2.1 lbs


Electrical Power

0.08 kVA, Max configuration 0.3 KVA

Capacity of exhaust

0.677 Cubic metre/min (24 CFM)

Heat Output

277 BTU/hr (81 Watts), Maximum configuration 455 BTU/hr (133 Watts)

Noise Level

5.0 db

Starting current, maximum

64.3 A at 110Vac, 63.8A at 220 Vac

Temperature

10 to 35C 50 to 95F

Humidity

8 to 80%


Certifications:

FCC

Subpart J, Part 15 DOC equivalent of FCC Rules, Class B

UL

UL 1950, 1st Edition

CSA

CSA 22.2 No. 220-M1986

VCCI

Class 2 (0dB)

IEC - IEC 950

Manufacturer"s declaration of compliance for APG, EMEA, VDE, NEMKO, SEMKO, DEMKO, EIF(SET), OVE

GOP

PTT

Homologation


Warranty:


Technical Notes:
BIOS
The IBM PS/1 386SX Model 2123 is compatible with the IBM Personal Computer, Personal Computer XT and Personal Computer AT at the BIOS interface level (BIOS not identical) and at most hardware interfaces.

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Technical Specifications

Date Created

09-12-98

Last Updated

19-02-99

Revision Date

19-02-2000

Brand

IBM Aptiva

Product Family

PS/1

Machine Type

2123

Model

041; 045; 081; 085; 131; 135; K31; K35; K41; K45; K81; K85

TypeModel

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