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Intel Math CoProcessor Installation and Configuration Notes: T-Z
Contents:
TANDY - MCP INSTALLATION & SYSTEM CONFIGURATION NOTES: DOCUMENT 3034
4001LX Install jumper E3-E4.
4000 80287-10 (not 287XL) *Intel387DX-16 (see note)
Install jumper on E8-E9. This older 16 Mhz Intel386 DX system has a
Weitek socket but has no support for the i387 DX Math Coprocessor.
Use the catalog number located on a sticker on the bottom of the
machine to determine if the system is a model 4000. The number for
a 4000 is 25-5000.
Certain versions of the Tandy 4000 also have an Intel387 DX socket
and are compatible with the single-speed Intel387DX-16 Math
coprocessor. In this case, there are no jumpers or switches
required to be set.
4000A Intel387 DX
Install the jumper on prongs E3-E4, located by the math
coprocessor. This is the newer model that has support for the
Intel387 DX on the middle two rows of the WIetek socket. The
catalog number for the 4000A (located on a sticker on the bottom of
the system) is 25-5000A.
3000NL Intel287 XL
Install a 10 Mhz oscillator Radio Shack part number AXX-7149.
Insert into socket "Y3" to enable the math coprocessor.
3000 12MHz Intel287 XL
Install jumpers E44-E46 and E47-E48
3000HD Intel287 XL
Remove dummy plug, then install 287XL into that socket
1200 8087
This computer uses a specially modified 8087. Call Tandy Technical
Support for more information.
1000A 8087 Remove jumper E8 - E9
1000SX 8087-2 Remove jumper E3 - E4
TOSHIBA - MCP INSTALLATION & SYSTEM CONFIGURATION NOTES
Toshiba 386SL based notebooks
A conflict with 386MAX and other memory managers may exist with
these systems. Contact Toshiba for details.
T5200 Intel387 DX
Orient the beveled corner of the 387DX next to the gold dot on the
motherboard, by the bevelled corner of the socket.
T6400SX Intel486 DX (not Intel487 SX) (1)
T6400SXC Intel486 DX (not Intel487 SX) (1)
T4400 Intel486 DX (not INtel487 SX) (1)
(1)Toshiba has contracted this upgrade to the company CP PLUS, at
800-274-4277. Refer customers seeking this upgrade to either CP
PLUS or Toshiba Technical Support at 800-999-4273.
T-V - MCP INSTALLATION & SYSTEM CONFIGURATION NOTES
TriStar
386DX-33 or 386/33 Intel387 DX
Set jumpers JP1, JP11 and JP12 to off (shorted).
UNISYS
800/16 and 800/20 Intel387 DX
Some 800/16 and 800/20 machines have experienced a problem in
recognizing that the mcp is installed. This problem only surfaces
during initial machine installation. The work-around is to remove
the mcp and rerun the cmos utility again. Enable the mcp in CMOS,
save the settings, then power down the system and reinstall the
mcp.
Wyse
WY-3116SX Intel387 SX Set jumper JP1 pins 1-2
Z - MCP INSTALLATION & SYSTEM CONFIGURATION NOTES
ZENITH
Z-Note 325L Intel387 SL
System may fail diagnostic Conformance test. Call Zenith for BIOS
upgrade v4.2A or more recent.
Z-Note 325-120 Intel387 SL
May fail diagnostic Conformance test. Call Zenith for BIOS upgrade.
Z-Start 433VL ZPD4831 Intel387 SX-33
The CPU in this system is a CX486 DLC. There was a problem in the
first 200 of these systems which made them incompatible with the
Intel387 SL. These systems have a capacitance problem and cause the
computer to fail the environment test. If this happens, call Zenith
technical support. Later systems are compatible.
386 Intel387 DX or 80287-10 (not 287XL)
In the Zenith 386, set jumpers as follows to indicate the type of
Intel Math CoProcessor installed.
JJ202 J204 J211
No MCP 21&2 1&2 2&3
80287-10 21&2 2&3 2&3
i387 DX 22&3 2&3 2&3
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