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Video Memory; Simm Installation; External Cache - Epson Computer Hardware User Manual

Epson computer hardware user manual
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System board components and connectors

SIMM Installation

Your computer comes with 4MB of memory on the system
board. You can increase the memory up to 36MB by installing
1MB, 4MB, and 16MB SIMMs in the computer's two SIMM
sockets. The following table shows the possible SIMM
configurations. You can install SIMMs in either SIMM socket.
SIMM configuration
On-board
4MB
1MB
4MB
4MB
1MB
4MB
4MB
4MB
4MB
16MB
4MB
4MB
16MB
4MB
16MB
4MB
16MB
Standard memory on the system board
l
4MB*
5MB
None
6MB
1MB
None
8MB
4MB
12MB
None
20MB
21MB
1MB
24MB
4MB
36MB
16MB
Use only 32-bit, 72-pin, fast-page mode SIMMs that operate
at an access speed of 70ns. If 32-bit SIMMs are unavailable,
you can use 36-bit SIMMs instead.

Video Memory

This system comes with 512KB or 1MB of video memory. You
can increase the video memory to 1MB by installing a video
DRAM, 40-pin, 256KB x X-bit, SOJ chip.
Video resolutions and colors
Non-interlaced and interlaced
l
** Interlaced

External Cache

EPSON Authorized Servicers can install 32KB, 64KB, 128KB,
or 256KB of external cache on this system.
28-pin, 8 x 8, 20ns DIP chips
28-pin, 32 x 8, 20ns DIP chips
32 x 8, 15ns tag chips
J6, J7, J8, and J9 as described on page 3.
For the cache memory to work properly, you must install
chips in the following configuration (each bank contains four
cache memory sockets).
Cache memory configurations
3/94
EPSON Endeavor L
EPSON Endeavor L - 5

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