IBM Personal System/2 Model 40 SX
General information
Machine type: 8540
Announce date: June, 1991
Excerpt from the original announcement letter;
" The Personal System/2 (R) (PS/2 (R)) Model 40 SX system unit is an enhanced version of the IBM PS/2 Model 30 286 and features the 80386SX microprocessor, 2MB system board memory (expandable to 16MB on planar), new 3.5-inch DASD options, five slots and four bays and 16-bit video graphics array (VGA). The 80386SX microprocessor operates at 20MHz with zero to two wait states to system memory. "
System characteristics
Microprocessor: Intel 80386sx (32 bit)
Clock speed: 20 MHz, 0-2 wait states
Coprocessor: socket for optional i80387 math coprocessor
Type of BUS: 16-bit (AT BUS)
Total number of expansion slots: 5
Ports: PS/2 keyboard, PS/2 mouse, serial, parallel, VGA
Memory
Min/Max on system board: 2/16MB
Type of memory:
RAM: DRAM (PS/2 72 pin SIMM) 85ns w. parity. (3 sockets, 2 available)
ROM: ?
Cache: n/a
Physical description
Power supply: 197w, 110/220VAC switchable
Weight: 12.6kg (27.8 lbs) (Diskette and hardfile model)
Dimensions (HxWxD): (169 x 440 x 394mm)
Mass storage
Drive bays: 4 (1 x 3.5", 3 x 5.25")
Floppy Disk
Size: 3.5 inch slim-height
Capacity: 1.44MB
Hard disk
Size: 3.5 inch half-height
Capacity: 0MB (model 040), 40MB (model 043), 80MB (model 045)
Access time: 17ms
Interface: AT-IDE
Display
Size:
Display type:
Graphics modes supported: Integrated 16-bit VGA Display adapter
Keyboard
Type: 101 key enhanced or 122 key host connect
Software
Operating system: IBM PC DOS Versions 3.30, 4.01, 5.0, OS/2 1.3EE, OS/2 1.3SE or higher
Configurations
Various memory, diskette drive, hard drive, monitor, and keyboard configurations including;
8540-040 - 386sx20,2MB,1.44MB
8540-043 - 386sx20,2MB,40MB,1.44MB
8540-045 - 386sx20,2MB,80MB,1.44MB
Options
IBM Personal System/2 8MB Memory Module Kit-80ns 1401 6450129
IBM Personal System/2 4MB Memory Module Kit-80ns 3933 87F9977
IBM Personal System/2 1MB Memory Module Kit-85ns 5212 6450603
IBM Personal System/2 2MB Memory Module Kit-85ns 5213 6450604
IBM Personal System/2 2MB Memory Module Kit-80ns 5214 6450608
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
| Communications/Connectivity |
Feature Number |
Part Number |
|
Serial/Parallel Adapter |
215 |
6450215 |
|
IBM SDLC Communications Adapter |
1205 |
1501205 |
|
IBM PC Network Adapter II |
1220 |
1501220 |
|
IBM PC Network Baseband Adapter |
1221 |
1501221 |
|
IBM Enhanced 5250 Display Station Emulation Adapter Kit, Version 2.2 |
2911 |
30F5383 |
|
IBM Enhanced 5250 Emulation Adapter and Cable Kit |
5622 |
30F5622 |
|
IBM S/370 (TM) Channel Emulator Card |
3200 |
6193413 |
|
IBM 3278/3279 Emulation Adapter |
5050 |
53F6425 |
|
IBM Realtime Interface Co-Processor (128KB) |
6165 |
85X2710 |
|
IBM Realtime Interface Co-Processor (512KB) |
6166 |
85X2706 |
|
IBM Realtime Interface Co-Processor Multiport (128KB) |
6241 |
00F5527 |
|
IBM Realtime Interface Co-Processor Multiport, Model 2 (1MB) |
6590 |
33F8791 |
|
IBM Realtime Interface Co-Processor RS-232C Interface Board |
6051 |
60X8738 |
|
IBM Realtime Interface Co-Processor CCITT V.35 Interface Board |
6053 |
67X1256 |
| Description |
Feature Number |
Part Number |
|
IBM Realtime Interface Co-Processor RS-422A Interface Board |
6064 |
67X1255 |
|
IBM Realtime Interface Co-Processor 20 mA Current Loop Interface Board |
6066 |
67X1257 |
|
IBM Realtime Interface Co-Processor 128K Memory Expansion |
6055 |
60X8199 |
|
IBM Realtime Interface Co-Processor 512K Memory Expansion |
6161 |
76X1019 |
|
IBM Realtime Interface Co-Processor Multiport 512K Memory Expansion |
6242 |
00F5529 |
|
IBM Realtime Interface Co-Processor Multiport Four Port RS-422 Addition |
6243 |
09F1989 |
|
IBM Realtime Interface Co-Processor Multiport Four Port RS-232 Addition |
6245 |
00F5530 |
|
IBM Realtime Interface Co-Processor Surge Protection Adapter |
6361 |
53F2625 |
|
IBM Realtime Interface Co-Processor 8 Port RS-232 Interface Board/A |
6362 |
53F2610 |
|
IBM Realtime Interface Co-Processor 8 Port RS-422 Interface Board/A |
6363 |
53F2613 |
|
IBM Realtime Interface Co-Processor Selectable Interface Board/A |
6365 |
53F2616 |
|
IBM Realtime Interface Co-Processor 8 Port RS-232 Interface Board/A HML |
6206 |
33F5338 |
|
IBM Realtime Interface Co-Processor 8 Port RS-422 Interface Board/A HML |
6207 |
33F5339 |
|
IBM Realtime Interface Co-Processor Selectable Interface Board/A HML |
6208 |
33F5340 |
|
IBM Token Ring Network 16/4 Adapter |
7367 |
25F7367 |
|
IBM Token Ring Network PC Adapter II |
9858 |
25F9858 |
|
IBM PC 5178-001 Network Translator Unit |
|
5178001 |
|
IBM PC 5841-001 1200 Baud Modem (external) |
|
5841001 |
|
IBM PC 5853-001 2400 Baud Modem (external) |
|
5853001 |
|
IBM PC 8228-001 Token-Ring Network Multi-Station Access Unit |
|
8228001 |
Plus many more IBM and 3rd party adapter cards...
Note: Options are no longer available from IBM.
Document ID: GJAN-43VKWC
Last Modified: 2000-04-13
Copyright © 2000 IBM Corporation
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