MONOLITHIC SYSTEMS, INC. (COLORADO MSI)
SBC486PE PEISA SINGLE BOARD
|
Processor |
80486SX/80386DX/80486DX2 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256KB (on 32-bit external cache module) |
|
BIOS |
AMI |
|
Dimensions |
339mm x 127mm |
|
I/O Options |
32-bit external cache module slot, PS/2 mouse port, PS/2 keyboard connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
IDE interface LED |
J1 |
Power LED & keylock |
J7 |
|
Reset switch |
J2 |
Auxiliary keyboard |
J8 |
|
Power LED |
J3 |
PS/2 keyboard |
J9 |
|
External battery |
J4 |
PS/2 mouse |
J11 |
|
Front panel switches & LEDs |
J5 |
32-bit external cache module |
S1 |
|
Speaker |
J6 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
J10 |
Open | |
|
CMOS memory clear |
J10 |
Closed | |
|
Monitor type select color |
J12 |
Closed | |
|
Monitor type select monochrome |
J12 |
Open | |
|
Watchdog timer disabled |
J13 |
pins 2 & 3 closed | |
|
Watchdog timer enabled |
J13 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
J14 |
Closed | |
|
Factory configured - do not alter |
J14 |
Closed | |
|
DMA signal select active high |
J16 |
pins 1 & 2 closed | |
|
DMA signal select active low |
J16 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note:These are only some of the possible configurations. All modules must be of like capacity. | ||||