External Cache; Video Memory; Processor Upgrades; Hard Disk Drive Types - Epson Endeavor 486I Product Information Manual

EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i
SIMM configurations (continued)
Bank0 Bank1
(SIM1) Type (SIM2) Type
16MB Single 16MB Single 8MB
16MB Single 16MB Single
16MB Single 16MB Single 8MB
16MB Single 16MB Single
16MB Single 16MB Single
16MB Single 16MB Single 32MB Double 32MB
32MB Double -
32MB Double -
Double 32MB Double -
Double 32MB Double 1MB
Double 32MB Double 2MB
Double 32MB Double 2MB
* If you install SlMMs in both Bank 0 and Bank 1 or Bank 2 and Bank 3, SIMM
types must match.
Use only tin-plated, 32-bit, 72-pin, fast-page mode SIMMs
that operate at an access speed of 80ns or faster. Be sure all
the SIMMs operate at the same speed.

Video Memory

The computer comes with 1MB of video memory. You can
increase the video memory to 2MB by installing two 512KB,
40-pin SOJ flat pack video DRAM chips. (You cannot
increase video memory by installing just one chip.)
Video resolutions and colors
Memory
Resolution
640 x 480
800 x 600
1024 x 768
1280 x 1024
* Non-interlaced and interlaced
** Interlaced
6 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95
Bank2 Bank3
(SIM3) Type (SIM4) Type
Double -
16MB Single -
Double 8MB Double 48MB
16MB Single 16MB Single 64MB
32MB Double -
Double 96MB
3 2 M B D o u b l e -
Single 1MB Single 66MB
Double -
Double 2MB Double 68MB
Refresh
60/72/75

External Cache

Total
memory
You can install 128KB, 256KB, or 512KB of external cache
40MB
with 32K x 8, 64K x 8, or 128K x 8 15ns or 20ns, SRAM DIP
48MB
chips and one 32K x 8 15ns or 20ns tag chip. The computer
may already have cache installed.
64MB
You must install cache in one of the configurations in the
32MB
table below (each bank contains four cache memory sockets).
64MB
64MB
Cache memory configurations
66MB
BANK 0
U23, 24, 25, 26
32K x 8, 28-pin
32K x 8, 28-pin
64K x 8, 28-pin
128K x 8, 32-pin

Processor Upgrades

The computer's processor can be upgraded by replacing the
existing processor with a faster one. The following table lists
supported processors and voltages.
Supported processors

Hard Disk Drive Types

Your computer comes with a hard disk auto-sensing feature.
To use it, select one of the drives you have installed from the
Fixed Disk Setup screen. On the screen that appears for that
drive, press
Enter
option. The system detects the type of hard disk drive, fills in
the drive's parameters, and sets the remaining options on the
screen.
BANK 1 Tag SRAM
U27, 35, 36, 37 U30
None 32K x 8, 28-pin
32K x 8, 28-pin 32K x 8, 28-pin
64K x 8, 28-pin 32K x 8, 28-pin
None 32K x 8, 28-pin
to select the Autotype Fixed Disk
Total cache
128KB
256KB
512KB
512KB