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Simm installation, Video memory, External cache – Epson ACTIONPC 5000 User Manual

Page 6: Microprocessor upgrades

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NEW EPSON ActionPC 5000, ActionTower 5000

SIMM Installation

The computer comes with 4MB or 8MB of memory on a

SIMM. You can increase the

memory

in this computer up to

64MB by installing additional SIMMs. There are four SIMM

sockets on the main system board, and each can contain one

SIMM. You can install 1MB, 2MB, 4MB, 8MB, 16MB, and

32MB SIMMs.
The following table shows the possible SIMM configurations.

Do not install

memory

in any other configuration.

SIMM configurations

Video Memory

The computer comes with 1MB of onboard video memory,

expandable to 2MB using eight video DRAM, 256KB x 4 x 4,

20-pin, DIP chips. For the memory to work properly, you

must install one chip in each of the empty video memory

sockets (U34 through U41) on the system board.

Video resolutions, colors, and refresh rates

Memory

Requirements

Refresh

Resolution (MB)

Color

rates (Hz)

Remarks

640X480

1

256

60/72

1

32K/64K

60

1

16.8M (True

60

8 bits/pixel

16 bits/pixel

24 bits/pixel

l

Non-interlaced and Interfaced

** Interfaced

External Cache

You can install 64KB, 128KB, or 256KB of external cache in

these systems. Use 8 x 8, 20ns DIP chips or 32 x 8, 20ns DIP

chips (15ns tag chip in 486DX/50 or Pentium OverDrive

systems) in the following configurations:

Cache memory configurations

BANK 0 (U44-47)

BANK 1 (U48-51)

Tag SRAM (U43)

Total cache

8 K x 8

8 K x 8

8Kx8

64KB

32Kx8

(empty)

8Kx8

128KB

3 2 K x 8

3 2 K x 8

3 2 K x 8

256KB

Microprocessor Upgrades

The computer’s processor can be upgraded by replacing the

existing microprocessor with a faster one. You can either

purchase

an

upgrade kit from EPSON or buy the individual

components separately.

Microprocessor upgrade components

4/75

processor

Intel

3.45

Volt

4/100

processor

Intel

3.3

Volt

Pentium OverDrive processor

Intel

5

Volt

Heat sink’

Tennmax Trading Corp. -

A heat sink is necessary for all DX, DX2, DX4. and Pentium OverDrive
processors.

6 - NEW EPSON ActionPC 5000, ActionTower 5000

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