EPSON, INC.
PROGRESSION 745-MA
|
Processor |
80486SX/80487SX/80486DX/ODP487SX/80486DX2 |
|
Processor Speed |
25/33/66iMHz (depending on CPU card installed) |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
128MB |
|
SRAM Cache |
None (system uses DRAM as virtual cache) |
|
BIOS |
Epson/Phoenix |
|
Dimensions |
218mm x 330mm |
|
I/O Options |
32-bit CPU card, floppy drive interface, IDE interface, parallel port, PS/2 keyboard connector, PS/2 mouse port, serial port, VGA daughterboard, VGA feature connector |
|
NPU Options |
4167(on some versions of the CPU card) |
|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
BATT1 |
IDE interface LED |
CN10 |
|
PS/2 mouse port |
CN1 |
Floppy drive interface |
CN11 |
|
PS/2 keyboard connector |
CN2 |
IDE interface |
CN12 |
|
Serial port |
CN3 |
Power/Turbo LED |
CN13 |
|
Parallel port |
CN4 |
Speaker |
CN15 |
|
Chassis fan power |
CN5 |
VGA daughterboard |
CN23-CN26 |
|
32-bit CPU card |
CN9 |
VGA feature connector |
JP8 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Factory configured - do not alter |
JP1 |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
JP2 |
pins 1 & 2 closed |
|
» |
Monitor type select color |
JP5 |
pins 1 & 2 closed |
|
|
Monitor type select monochrome |
JP5 |
pins 2 & 3 closed |
|
» |
System password enabled |
JP6 |
pins 2 & 3 closed |
|
|
System password disabled |
JP6 |
pins 1 & 2 closed |
|
» |
Onboard video enabled |
JP7 |
pins 1 & 2 closed |
|
|
Onboard video disabled |
JP7 |
pins 2 & 3 closed |
|
» |
Factory configured - do not alter |
JP9 |
pins 1 & 2 closed |
|
Note: JP9 is not present on some revisions. The location of JP9 is unknown. |
|||
|
PS/2 MOUSE CONFIGURABLE SETTINGS |
|||
|
Function |
JP3 |
JP4 |
|
|
» |
Enabled |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
|
Disabled |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
DRAM CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(1) 256K x 36 |
NONE |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 1M x 36 |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
|
17MB |
(1) 4M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 16M x 36 |
NONE |
|
65MB |
(1) 16M x 36 |
(1) 1M x 36 |
|
68MB |
(1) 16M x 36 |
(1) 4M x 36 |
|
80MB |
(1) 16M x 36 |
(1) 4M x 36 |
|
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
|
Processor |
80486SX/80487SX/ODP486SX |
|
Processor Speed |
25MHz |
|
NPU Options |
None |
|
CPU CONFIGURATION JUMPERS |
||
|
Type |
W1 |
|
|
» |
80486SX PQFP |
pins 1 & 2 closed |
|
|
80487SX PGA |
pins 1 & 2 closed |
|
|
ODP486SX |
pins 1 & 2 closed |
|
Processor |
80486DX/ODP486DX |
|
Processor Speed |
33MHz |
|
NPU Options |
4167 |
|
CPU CONFIGURATION JUMPERS |
||||
|
Type |
W1 |
W2 |
W3 |
|
|
» |
80486DX PQFP |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
|
ODP486DX PGA |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
Processor |
80486DX2 |
|
Processor Speed |
33/66(internal)MHz |
|
NPU Options |
4167 |
