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PS/1 - 2168A 37C/56C/31E/51E/33T/54T/28V/58V System Information
Applicable to: United States
PS/1 - 2168A System Information
2168A System Architecture
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Consultant |
37C |
56C | ||
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Expert |
33T |
54T | ||
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Essential |
31E |
51E | ||
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Investor |
28V |
58V | ||
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Processor |
486DX2 / 50 |
486DX2 / 66 |
486SX / 33 |
486DX2 / 66 |
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Cache / Max |
0 / 256KB |
0 / 256KB |
0 / 256KB |
0 / 256KB |
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Video Chipset |
CL-5428 |
CL-5428 |
CL-5428 |
CL-5428 |
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VRAM / Max |
512KB / 1MB |
1MB / 1MB |
512KB / 1MB |
1MB / 1MB |
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Disk Drives |
3.5" & 5.25" |
3.5" & 5.25" |
3.5" & 5.25" |
3.5" & 5.25" |
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Hard Drive |
253 MB |
420 MB |
253 MB |
420 MB |
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Memory / Max |
4 MB / 64 MB |
8 MB / 64 MB |
4 MB / 64 MB |
8 MB / 64 MB |
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Modem Speed |
2400 bps |
14.4 Kbps |
2400 bps |
14.4 Kbps |
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Fax Speed (s/r) |
9600/4800 |
14.4K/14.4K |
9600/4800 |
14.4K/14.4K |
Regular system memory is upgraded with 36-bit or 32-bit (parity or non-parity) industry standard 70ns 72-pin SIMM chips. If the machine has 2 SIMM sockets, it can handle up to a 32MB SIMM in each socket. If it has 4 SIMM sockets, it can handle up to a 16MB SIMM in each socket.
Video drivers for these machines are available on IBM's FTP site.
You can download the Windows 3.1 driver for the CL-GD5428 chipset at ftp://ftp.pc.ibm.com/pub/pccbbs/ps1/c5426_28.exe
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All of these machines use a standard IDE controller. This interface should support any standard IDE device. Some Enhanced IDE (EIDE) devices (namely hard drives larger than 528MB) may be able to function with the use of disk overlay software, normally supplied by the drive manufacturer, but is not supported by IBM. Though EIDE CD-ROMs are not supported on these machines, a CD-ROM with it's own ISA interface controller should work. Any ISA card (CD-ROM controller, modem, SCSI card) added to these machines needs to be non-"Plug and Play" to help insure compatability.
Machines that are capable of video memory upgrades require a 40-pin ZIP DRAM module configured as 256K x 16, which gives an additional 512K of video memory.
Processor Upgrade Matrix
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Model |
CPU |
Upgrade Processor |
Installation Notes |
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2168 37C |
DX2-50 |
P24T-63 |
J23: 1-2, J24: 1-2, J25: 2-3 |
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2168 33T |
DX2-50 |
P24T-63 |
J23: 1-2, J24: 1-2, J25: 2-3 |
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2168 31E |
DX2-50 |
P24T-63 |
J23: 1-2, J24: 1-2, J25: 2-3 |
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2168 56C |
DX2-66 |
P24T-83 |
J23: 1-2, J24: 1-2, J25: 2-3 |
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2168 54T |
DX2-66 |
P24T-83 |
J23: 1-2, J24: 1-2, J25: 2-3 |
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2168 51E |
DX2-66 |
P24T-83 |
J23: 1-2, J24: 1-2, J25: 2-3 |
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2168 28V |
SX33 |
487SX, P23T-66, P24T-83 |
J23: 1-2, J24: 1-2, J25: 2-3 |
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2168 58V |
DX2-66 |
P24T-83 |
J23: 1-2, J24: 1-2, J25: 2-3 |
The 487SX indicates the Intel 487SX math coprocessor. The P23T-50 or P23T-66 indicates the Intel 486 Overdrive Processor (50 or 66 Mhz). The P24T-63 or P24T-83 indicates the Intel Pentium Overdrive Processor (63 or 83 Mhz). If you are installing a Pentium Overdrive processor, an EPROM upgrade is needed. If your machine has 2 SIMM sockets, the EPROM FRU is 07H0993. If your machine has 4 SIMM sockets, the EPROM FRU is 07H1001. Under installation notes (Jxx: y-z), Jxx denotes a jumper and y-z denotes its position. Some machines do not have a J24 or J25, in these cases, only check J23's position. These are the only processor upgrades supported by IBM for these machines.
Phone Support for these machines is available from IBM on a fee basis over the IBM Club's 900# (1-900-555-2582). The first minute of this call is free, each additional minute is charged to your phone bill at a rate of $2.99/minute.
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Search Keywords |
PS/1, 2168 | |
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Hint Category |
Technical Specifications | |
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Date Created |
01-04-98 | |
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Last Updated |
19-02-99 | |
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Revision Date |
19-02-2000 | |
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Brand |
IBM Aptiva | |
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Product Family |
PS/1 | |
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Machine Type |
2168 | |
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Model |
37C; 56C; 31E; 51E; 33T; 54T; 28V; 58V | |
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TypeModel |
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Retain Tip (if applicable) |
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Reverse Doclinks |