EPSON, INC.
ACTION PC 2600, ACTION PC 5500
|
Processor |
80846DX/CX486DX2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24D/P24T/CX M1SC |
|
Processor Speed |
25/33/50(internal)/66(internal)/75(internal)/100(internal)/MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Trident |
|
Maximum Onboard Memory |
132MB |
|
Maximum Video Memory |
1MB |
|
Cache |
128/256KB |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
IDE interface 1 |
CN1 |
Serial port 1 |
CN11 |
|
IDE interface 2 |
CN2 |
Serial port 2 |
CN12 |
|
IDE interface LED |
CN3 |
Parallel port |
CN13 |
|
Power LED |
CN4 |
Riser slot |
SL1 |
|
PS/2 mouse port |
CN8 |
VGA port |
VNC1 |
|
Floppy drive interface |
CN10 |
VGA feature connector |
VNC3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
JP28 |
Pins 2 & 3 closed |
|
CMOS memory clear |
JP28 |
Pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
JP29 |
Unidentified |
|
|
Factory configured - do not alter |
JP34 |
Unidentified |
|
|
Factory configured - do not alter |
JP35 |
Unidentified |
|
|
Factory configured - do not alter |
VJ1 |
Unidentified |
|
|
Monitor type select interlaced |
VJ3 |
Closed |
|
Monitor type select non interlaced |
VJ3 |
Open | |
|
|
Factory configured - do not alter |
VJ4 |
Unidentified |
|
|
On board video enabled |
VJP1 |
Pins 2 & 3 closed |
|
On board video disabled |
VJP1 |
Pins 1 & 2 closed | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
4MB |
4MB |
None |
None |
|
5MB |
4MB |
(1) 256K x 32 |
None |
|
6MB |
4MB |
(1) 256K x 32 |
(1) 256K x 32 |
|
6MB |
4MB |
(1) 512K x 32 |
None |
|
8MB |
4MB |
(1) 512K x 32 |
(1) 512K x 32 |
|
8MB |
4MB |
(1) 1M x 32 |
None |
|
12MB |
4MB |
(1) 1M x 32 |
(1) 1M x 32 |
|
12MB |
4MB |
(1) 2M x 32 |
None |
|
20MB |
4MB |
(1) 2M x 32 |
(1) 2M x 32 |
|
20MB |
4MB |
(1) 4M x 32 |
None |
|
36MB |
4MB |
(1) 4M x 32 |
(1) 4M x 32 |
|
36MB |
4MB |
(1) 8M x 32 |
None |
|
68MB |
4MB |
(1) 8M x 32 |
(1) 8M x 32 |
|
68MB |
4MB |
(1) 16M x 32 |
None |
|
132MB |
4MB |
(1) 16M x 32 |
(1) 16M x 32 |
|
Note: Bank 0 is factory installed and is not configurable. | |||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
None |
(1) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
Note: The location of banks 0 & 1 is unidentified. | |||
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JP19 |
JP20 |
JP21 |
|
None |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
128KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
512KB |
None |
|
1MB |
512KB |
512KB |
|
Note: Bank 0 is factory installed and is not configurable. The size of the upgrade chips is unidentified. | ||
|
CPU SPEED SELECTION | ||
|
Speed |
JP24 |
JP25 |
|
25MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
33MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
50iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
66iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
75iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
100iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
CPU TYPE SELECTION | ||||||
|
Type |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
JP6 |
|
80486DX |
1 & 2, 3 & 4 |
3 & 4 |
Open |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
CX486DX2 |
1 & 2, 3 & 4 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
|
80486DX2 |
1 & 2, 3 & 4 |
3 & 4 |
Open |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
SL80486DX2 |
1 & 2, 3 & 4 |
3 & 4 |
Open |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
AM486DX4 |
1 & 2, 3 & 4 |
3 & 4 |
Open |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
80486DX4 |
1 & 2, 3 & 4 |
3 & 4 |
Open |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
P24D |
1 & 2, 3 & 4 |
3 & 4 |
Open |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
P24T |
1 & 2, 3 & 4 |
3 & 4 |
1 & 2 |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
CX M1SC |
1 & 2, 3 & 4 |
3 & 4, 5 & 6 |
Open |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU TYPE SELECTION (CONT) | ||||||
|
Type |
JP7 |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
|
80486DX |
1 & 2 |
Open |
Open |
Open |
Open |
3 & 4 |
|
CX486DX2 |
2 & 3 |
Open |
2 & 3 |
1 & 2 |
Open |
3 & 4 |
|
80486DX2 |
2 & 3 |
1 & 2 |
Open |
Open |
1 & 2 |
3 & 4 |
|
SL80486DX2 |
1 & 2 |
Open |
Open |
Open |
Open |
3 & 4 |
|
AM486DX4 |
1 & 2 |
Open |
Open |
Open |
Open |
3 & 4 |
|
80486DX4 |
1 & 2 |
Open |
Open |
Open |
Open |
3 & 4 |
|
P24D |
1 & 2 |
1 & 2 |
Open |
Open |
1 & 2 |
3 & 4 |
|
P24T |
1 & 2 |
Open |
1 & 2 |
2 & 3 |
Open |
2 & 3 |
|
CX M1SC |
1 & 2 |
1 & 2 |
Open |
Open |
1 & 2 |
3 & 4 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU TYPE SELECTION (CONT) | ||||||
|
Type |
JP13 |
JP14 |
JP22 |
JP23 |
JP32 |
JP33 |
|
80486DX |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
|
CX486DX2 |
Open |
Open |
1 & 2 |
2 & 3 |
Open |
Open |
|
80486DX2 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
|
SL80486DX2 |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
|
AM486DX4 |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
|
80486DX4 |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
|
P24D |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
|
P24T |
Open |
Open |
1 & 2 |
1 & 2 |
Open |
Open |
|
CX M1SC |
Open |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU VOLTAGE SELECTION | |||||
|
Voltage |
JP15 |
JP16 |
JP17 |
JP18 |
JP36 |
|
3.3v |
Open |
Open |
Closed |
Closed |
2 & 3 |
|
3.45v |
Open |
Open |
Closed |
Closed |
1 & 2 |
|
5v |
Closed |
Closed |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. | |||||
|
DMA CHANNEL SELECTION | |||
|
Channel |
JP30 |
JP31 | |
|
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |