Math Coprocessor
f you process numeric data, a math coprocessor will make your work
more efficient.
An optional 80387SX-20 coprocessor can be installed in socket U42
to accelerate processing of calculation-intensive applications. Jumper
W9 is used to enable or disable the 80387SX math coprocessor.
Remember
that you must make sure the dotted end of the chip is lined
up with the notched end of the socket. Refer to the illustrations below
and on the next page to install the Intel 80387SX-20.
Refer to Table 2-1 below for jumper W9 and Figure 2-2 on the next
page for the 80386SX and the 80387SX.
Table 2-1: Math Coprocessor Jumper W9
4
Chapter 2: Setting Up Your System
Summary of Contents for Apex 386SX/20
Page 1: ...PEER 2030 2 O M H z 3 8 6 S X S Y S T E M U ser s Manual ...
Page 15: ...Chapter 1 System Overview ...
Page 38: ...Chapter 2 Setting Up Your System ...
Page 43: ...Figure 2 2 The Location of W9 80386SX and 80387SX Chapter 2 Setting Up Your System 5 ...
Page 48: ...Figure 2 6 512KB Total Onboard System Memory 10 Chapter 2 Setting Up Your System ...
Page 49: ...Figure 2 7 640 KB Total Onboard System Memory Chapter 2 Setting Up Your System 11 ...
Page 50: ...Figure 2 8 1 MB Total Onboard System Memory 12 Chapter 2 Setting Up Your System ...
Page 51: ...Figure 2 9 1 5 MB Total Onboard System Memory Chapter 2 Setting Up Your System 13 ...
Page 52: ...Figure 2 11 2MB Total Onboard System Memory B 14 Chapter 2 Setting Up Your System ...
Page 53: ...Figure 2 12 3MB Total Onboard System Memory Chapter 2 Setting Up Your System 15 ...
Page 54: ...Figure 2 13 4MB Total Onboard System Memory 16 Chapter 2 Setting Up Your System ...
Page 55: ...Figure 2 14 5MB Total Onboard System Memory Chapter 2 Setting Up Your System 17 ...
Page 61: ...Chapter 3 Operating Your System ...
Page 80: ...Chapter 4 Keyboard ...
Page 90: ...Chapter 5 Troubleshooting ...
Page 98: ...Appendix ...
Page 123: ...Chapter 7 Glossary ...
