IBM PS/2 (Model 57 486SLC2) - Technical Specifications

IBM Personal System/2 Model 57 486SLC2

Inside the 9557 (486SLC2)

Inside the 9557 (486SLC3)

picture of Ultimedia M57

General information
Machine type: 9557
Announce date: October, 1992

Excerpt from the original announcement letter;

"The new PS/2(R) 56, 57, Ultimedia and Ultimedia DV M57 486SLC2, are Micro Channel(R) systems designed to complement and enhance the product line. These products provide improvements such as: increased processor speed with the 50/25-MHz 486SLC2 microprocessor, an internal memory cache controller with 16KB memory cache, larger fast hard disks - 104 Million Bytes (MB)(model 0B6) and 212 Million Bytes (MB)(model 0BA, 1BA and 2BA), three (3) total memory sockets with one (1) 8MB 70ns SIMM located in socket 1 leaving two (2) sockets available for expansion up to 16MB on the planner, enhanced IBM Mouse, video provided via the graphics XGA-2 chip set designed to meet the International Organization for Standardization (ISO) requirements (refer to A92-902 and A92-848), a small computer system interface (SCSI) input/output (I/O) interface, enhanced security, two 9-pin Serial ports, and a high speed DMA Parallel port."

System characteristics
Microprocessor: IBM 486slc2 (32 bit)
Clock speed: 50/25 MHz
Type of BUS: 16-bit Micro Channel
Total number of expansion slots: 5 (desktop/floor-standing case)
Ports: PS/2 keyboard, PS/2 mouse, 2 DMA serial, DMA parallel, XGA-2, SCSI

Min/Max on system board: 8/16MB
Type of memory:
RAM: DRAM (PS/2 72-pin SIMM) 70ns parity checked (3 sockets)
ROM: 128kb
Cache: 16kb L1, 0kb L2

Physical description
Power supply: 197w, 110-220VAC auto sense
Weight: 15.9kg (35.0 lbs) (maximum configuration)
Dimensions (HxWxD): (168 x 440 x 394mm)

Mass storage
Drive bays: 4 ( 3 x 5.25" (1 slim-height))
Floppy Disk
Size: 3.5 inch slim-height
Capacity: 2.88MB media sense
Hard disk
Size: 3.5 inch half-height
Capacity: 104MB (0B6), 212MB (0BA)
Access time: 12ms
Interface: SCSI (integrated SCSI controller)

Display type: Optional Analog CRT
Graphics modes supported: Integrated 32-bit XGA-2 Display adapter

1024x768, 256 colours, 75Hz NI
800x600, 65,536 colours
640x480, 65,536 colours

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

Operating system: IBM PC DOS Versions 5.0, 5.00.1 or higher

Various memory, diskette drive, hard drive, monitor, and keyboard configurations including;
9557-0B6 - System Unit 486slc2-50, 8MB, 104MB, 2.88, 101 keyboard
9557-0BA - System Unit 386slc2-50, 8MB, 212MB, 2.88, 101 keyboard


IBM Personal System/2 2MB Memory Module Kit-70ns 0129 6450902
IBM Personal System/2 4MB Memory Module Kit-70ns 0128 6450128
IBM Personal System/2 8MB Memory Module Kit-70ns 5116 6450130
IBM Personal System/2 Micro Channel SCSI Adapter 1005 6451109
IBM Personal System/2 Micro Channel SCSI Adapter with Cache 1018 6451110
IBM Personal System/2 1.44MB 1-Inch High Diskette Drive 0030 6451130
IBM Personal System/2 2.88MB 1-Inch High Diskette Drive 1106 6451106
IBM Personal System/2 60MB SCSI Fixed Disk Drive(B,D) 1049 6451049
IBM Personal System/2 80MB SCSI Fixed Disk Drive (D) 1045 6451045
IBM Personal System/2 120MB SCSI Fixed Disk Drive(B,D) 1050 6451050
IBM Personal System/2 160MB SCSI Fixed Disk Drive (D) 1046 6451046
IBM Personal System/2 320MB SCSI Fixed Disk Drive (D) 1108 6451234
IBM Personal System/2 400MB SCSI Fixed Disk Drive (D) 1081 6451235
IBM Personal System/2 Micro Channel SCSI Adapter External Terminator (for F/N 1018) 1039 6451039
IBM Personal System/2 3.5-inch Rewritable Optical Drive 0162 6450162
IBM Personal System/2 CD-ROM Drive 1113 6451113
IBM Personal System/2 5.25-inch Slim High Diskette Drive 1066 6451066
IBM Personal System/2 5.25-inch Diskette Adapter/A(A) 1007 6451007
IBM Personal System/2 SCSI Fixed Disk Drive Kit D (B) 1119 6451120
IBM Personal System/2 External CD-ROM Drive 3510-001 3510001
IBM Personal System/2 External Storage Enclosure for SCSI Devices 3511-003 3511003
IBM Personal System/2 4869-001 5.25-inch 360KB External Diskette Drive (A) 4869001
IBM Personal System/2 4869-002 5.25-inch 1.2MB External Diskette Drive (A) 4869002
IBM Personal System/2 Upgrade Kit for Diskette Drives 5106 6451127
IBM PS/2 Model 56 LS Upgrade kit for SCSI Devices 5108 6451129
IBM Personal System/2 Leased Line Modem 1862 26F1862
IBM Personal System/2 Adapter/A for Ethernet Networks 1091 6451091
IBM Personal System/2 Dual Async Adapter/A 1014 6451013
The IBM 3270 Connection 2000 74F3465
System/370(TM) Channel Emulator/A 3205 1674899
IBM System 36/38 Workstation Emulation Adapter 6279 69X6279
IBM PC Network Baseband Adapter/A 1223 1501223
IBM PC Network Adapter II/A (J) 1222 1501222
IBM PC Network Adapter II/A -- Frequency 2 (J) 5647 96X5647
IBM PC Network Adapter II/A -- Frequency 3 (J) 5648 96X5648
IBM Token Ring Network Adapter/A 4790 69X8138
IBM Token Ring Network Adapter/A -- Remote Program Load 8881 25F8887
IBM Token Ring Network 16/4 Adapter/A 1133 16F1133
IBM Token Ring Network 16/4 Busmaster Adapter/A 4041 74F4140
IBM Token Ring Network 16/4 Trace & Performance Adapter/A (H) 5130 74F5130
IBM Personal System/2 300/1200/2400 Internal Modem/A 1755 94X1755
IBM Realtime Interface Co-Processor Multiport/2 (512KB) 6263 09F1897
IBM Realtime Interface Co-Processor Multiport/2 (1MB) 6247 16F1820
IBM Realtime Interface Co-Processor Multiport/2 8 Port RS-232 Interface Board 6265 09F1952
IBM Realtime Interface Co-Processor Multiport/2 8 Port RS-422A Interface Board 6326 15F8852
IBM Realtime Interface Co-Processor Multiport/2 6 Port RS-232C Synchronous Interface Board 6327 15F8861
IBM Realtime Interface Co-Processor Multiport/2 4 Port RS-232 Interface Board 6267 09F1955
IBM Realtime Interface Co-Processor Multiport/2 RS-232/RS-422 Interface Board 6266 09F1958
IBM Realtime Interface Co-Processor Portmaster(TM) Adapter/A (512KB) (J) 6360 53F2601
IBM Realtime Interface Co-Processor Portmaster Adapter/A (1MB) (J) 6364 53F2604
IBM Realtime Interface Co-Processor Portmaster Adapter/A (2MB) (J) 6368 53F2607

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

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

Content created and/or provided by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 29 Nov 2023 - Changelog | Legal Info & Contact