JETPRO INFOTECH COMPANY, LTD.
MB-60 EISA486/33/50
|
Processor |
80486DX/80486DX2 |
|
Processor Speed |
33/50(internal)/50/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
128MB |
|
SRAM Cache |
64/128/256 |
|
BIOS |
AMI |
|
Dimensions |
330.2mm x 218.4mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo LED |
J4 |
|
Speaker |
J2 |
Reset switch |
J5 |
|
Turbo switch |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Power good signal detect from board |
JP2 |
pins 1 & 2 closed | |
|
Power good signal detect from power supply |
JP2 |
pins 2 & 3 closed | |
|
Monitor type select color |
JP3 |
closed | |
|
Monitor type select monochrome |
JP3 |
open | |
|
ATCLK select iOSC/1 |
JP6 |
pins 1 & 2 closed | |
|
ATCLK select iOSC/2 |
JP6 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
SRAM JUMPER CONFIGURATION | |||
|
Jumper |
64KB |
128KB |
256KB |
|
JP7 |
open |
open |
closed |
|
JP8 |
open |
open |
closed |
|
JP9 |
open |
closed |
closed |
|
JP10 |
open |
closed |
closed |
|
JP11 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
SRAM CONFIGURATION | ||
|
Size |
Cache SRAM |
Location |
|
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
|
128KB |
(4) 32K x 8 |
Bank 0 |
|
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
|
Note:The TAG memory does not need to be changed when upgrading. | ||
|
CPU JUMPER CONFIGURATION | ||
|
CPU |
JP4 |
JP5 |
|
80486DX2/66 |
closed |
open |
|
80486DX/50 |
closed |
closed |
|
80486DX2/50 |
open |
open |
|
80486DX/40 |
open |
closed |
|
80486DX/33 |
closed |
open |