Epson ActionDesk 4000 User Manual - Page 73

Upgrading the Microprocessor, Microprocessor upgrade components, Installing and Removing Options

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When the computer restarts, it displays the amount of external cache you have installed on the system. Upgrading the Microprocessor You can upgrade your computer by replacing the microprocessor with a faster one. The following table lists the components you can use to upgrade the microprocessor in your system. Microprocessor upgrade components Part Manufacturer Manufacturer's part number 486SX/33 processor 486DX/33 processor 486DX2/50 processor 486DX2/66 processor Heat sink Intel Intel Intel Intel Tennmax Trading Corp. A80486SX-33 A80486DX-33 A80486DX2-50 A80486DX2-66 HS-486DX33-9 To upgrade your microprocessor, you perform these general steps (see the page in parentheses for instructions): 1. Remove the option card connector board (see page 4-18). 2. Remove the existing processor chip (see page 4-27). 3. Install the new microprocessor (and heat sink, if necessary) (see page 4-27). 4. If necessary, change the settings of jumpers J16, J17, and J19 (see page 4-6). 5. Replace the option card connector board (see page 4-20). 4-26 Installing and Removing Options

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When the computer restarts, it displays the amount of external
cache you have installed on the system.
Upgrading the Microprocessor
You can upgrade your computer by replacing the
microprocessor with a faster one. The following table lists the
components you can use to upgrade the microprocessor in your
system.
Microprocessor upgrade components
Part
Manufacturer
486SX/33 processor
Intel
486DX/33 processor
Intel
Manufacturer’s
part number
A80486SX-33
A80486DX-33
486DX2/50 processor
Intel
A80486DX2-50
486DX2/66 processor
Intel
A80486DX2-66
Heat sink
Tennmax Trading Corp.
HS-486DX33-9
To upgrade your microprocessor, you perform
these
general
steps (see the page in parentheses for instructions):
1.
2.
3.
4.
5.
Remove
the
option card connector board (see page 4-18).
Remove the existing processor chip (see page 4-27).
Install the new microprocessor (and heat sink, if necessary)
(see page 4-27).
If necessary, change the settings of jumpers J16, J17, and J19
(see page 4-6).
Replace the option card connector board (see page 4-20).
4-26
Installing and Removing Options