IBM PS/2 (Model 57 486SLC2) - Technical specifications |
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IBM Personal System/2 Model 57 486SLC2 ![]() Inside the 9556 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 Coprocessor: 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 Memory 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 Size: 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 Keyboard Type: 101 key enhanced, 122 key host connect, 84 key space saving Software Operating system: IBM PC DOS Versions 5.0, 5.00.1 or higher Configurations 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 Options
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