– RAM is installed directly onto the system board using industry
standard 30-pin 80 ns SIMMs. There are two banks of four sockets
to allow a maximum of 32 megabytes (MB). 256K, 1MB and 4MB
SIMMs are supported in both banks. Refer to “System Board
Layouts” on page 5-2. Bank 0 or bank 1 must be filled with the
same value SIMMs to work properly. Refer to “System Memory” on
page 1-20.
– 512K Video RAM is soldered on the system board and four sockets
are provided for an additional 512K Video RAM.
– Ports include: two serial, parallel, keyboard, mouse and video.
– Connectors for AT riser card (120-pin), input power (12-pin), AT
diskette drives (34-pin), IDE AT hard disk drives (40-pin), power
LED (2-pin), hard disk LED (2-pin), and video feature (26-pin).
– Lithium battery.
486DX—33MHz processor (socketed) with built-in math coprocessor
(30-pin memory SIMMs)
– Supports 8K internal cache and 128K external cache (not field
upgradeable).
– RAM is installed directly onto the system board using industry
standard 30-pin 80 ns SIMMs. There are two banks of four sockets
to allow a maximum of 32MB. 256K, 1MB, and 4MB SIMMs are
supported in both banks. One or both banks must be filled with the
same value SIMMs to work properly. Refer to “System Memory” on
page 1-20.
– 1MB of Video RAM is soldered on the system board.
– Ports include: two serial, parallel, keyboard, mouse, and video.
– Connectors for AT riser card (120-pin), input power (12-pin), AT
diskette drives (34-pin), IDE AT hard disk drives (40-pin), power
LED (2-pin), hard disk LED (2-pin), and video feature (26-pin).
– Lithium battery.
486SX—25MHz processor (72-pin memory SIMM)
Three system boards available:
1. 2MB SIMM for system memory and no cache sockets
2. 2MB SIMM for system memory and five cache sockets
3. 4MB SIMM for system memory.
Each system board contains:
– Upgrade processor socket.
– Supports 8K internal cache.
– Some models support 0, 128K, or 256K external cache (field
upgradeable).
– Shipped with 0 cache.
1-6
Содержание PS/1
Страница 1: ...M achine Types 2133 2155 and 2168...
Страница 2: ......
Страница 3: ...M achine Types 2133 2155 and 2168...
Страница 8: ...Index X 1 vi...
Страница 14: ...xii...
Страница 38: ...1 24...
Страница 40: ...Notes 2 2...
Страница 67: ...Notes Diagnostic Information 2 29...
Страница 95: ...Notes Diagnostic Information 2 57...
Страница 112: ...MAP 1100 continued 003 continued Replace the system board 2 74...
Страница 116: ...MAP 1200 continued 009 Replace the serial port adapter card 2 78...
Страница 134: ...Notes 2 96...
Страница 170: ...3 12...
Страница 173: ...Figure 4 4 170MB and 211MB Drives 2 Jumper Block Figure 4 5 170MB 253MB and 340MB Drives Repair Information 4 3...
Страница 175: ...1005 Cover Cover release Latch Repair Information 4 5...
Страница 178: ...Front View Alignment Slot 5 25 inch Diskette Drive Right DASD Bracket Signal Cable Power Cable Right DASD Bracket 4 8...
Страница 185: ...1045 Riser Card Adapter Card 1035 Left DASD Support Bracket 1010 Repair Information 4 15...
Страница 199: ...2005 Cover Unscrew the two screws behind the front handle Figure 4 19 Cover Removal Rear View Repair Information 4 29...
Страница 200: ...Figure 4 20 Pull Out on the Cover 4 30...
Страница 250: ...5 32...
Страница 252: ...6 2...
Страница 255: ...Catalog Section Parts Catalog 7 3...
Страница 256: ...Assembly 1 Machine Types 2133 and 2155 System Unit Exterior 3 1 2 7 4...
Страница 258: ...Assembly 2 Machine Types 2133 and 2155 System Unit Interior 1 2 3 4 5 6 7 8 11 12 12 10 7 6...
Страница 261: ...12 93F0041 1 Packet Mounting Screws Parts Catalog 7 9...
Страница 262: ...Assembly 3 Machine Type 2168 System Unit Exterior 2 1 7 10...
Страница 264: ...Assembly 4 Machine Type 2168 System Unit Interior 6 7 5 8 9 10 4 2 11 12 13 16 3 21 23 19 18 17 14 15 1 7 12...
Страница 267: ...Parts Catalog 7 15...
Страница 268: ...Assembly 5 Diskette and Hard Disk Drives All Machine Types 1 2 3 4 4 4 4 4 7 16...
Страница 273: ...Parts Catalog 7 21...
Страница 274: ...Assembly 7 Keyboard and Mouse All Machine Types 1 2 7 22...
Страница 284: ...Part Asm Number Index Page 93F2397 2 1 7 7 93F2398 2 1 7 7 93F2399 2 1 7 7 8 4...
Страница 290: ...This page left blank intentionally A 6...
Страница 296: ...This page left blank intentionally A 12...
Страница 298: ...This page left blank intentionally A 14...
Страница 304: ...IBM Part Number 63G2028 IBM United Kingdom PO Box 41 North Harbour Portsmouth PO6 3AU England...