FRONTIER INDUSTRIAL, INC.
ISA486GSi
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
25/33/40/50(internal)/66(internal)MHz |
|
Chip Set |
ALI M1219 |
|
Max. Onboard DRAM |
32MB |
|
Cache |
None |
|
BIOS |
ACER |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J3 pins 1 & 4 |
Turbo LED |
J4 pins 12 & 13 |
|
Power LED & keylock |
J4 pins 1 - 5 |
Turbo switch |
J4 pins 15,16,& 17 |
|
Speaker |
J4 pins 7 - 10 |
Reset switch |
J4 pins 19 & 20 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
J1 |
Open | |
|
CMOS memory clear |
J1 |
Closed | |
|
Battery type select internal |
J3 |
pins 2 & 3 closed | |
|
Battery type select external |
J3 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CPU TYPE CONFIGURATION | ||
|
Type |
J6 |
J7 |
|
80486SX |
Open |
pins 1 & 2 closed |
|
ODP486SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80487SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
80486DX2 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | |||||
|
Speed |
OSC1 |
JP8 |
JP9 |
JP10 |
JP11 |
|
20MHz |
40MHz |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
|
25MHz |
50MHz |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
|
33MHz |
66MHz |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
50MHz |
50MHz |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
|
66iMHz |
66MHz |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||