JC INFORMATION SYSTEMS CORPORATION
MODEL 2030
|
Processor |
80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/256KB |
|
BIOS |
C & T |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA card slot Multi-mode type local bus card slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Speaker |
J5 |
|
Turbo LED |
J2 |
Reset switch |
S9 |
|
Turbo switch |
J3 |
Multi-mode/local bus card |
L1 |
|
Power LED & keylock |
J4 |
32-bit VESA card |
V1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
BIOS type select Flash ROM |
W5 |
pins 1 & 2 closed | |
|
BIOS type select EPROM |
W5 |
pins 2 & 3 closed | |
|
Monitor type select monochrome |
W9 |
open | |
|
Monitor type select color |
W9 |
closed | |
|
CMOS memory normal operation |
W11 |
pins 2 & 3 closed | |
|
CMOS memory clear |
W11 |
pins 1 & 2 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) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
CPU TYPE CONFIGURATION | |||
|
Type |
W12 |
W13 |
W14 |
|
80486DX2 |
pins 2 & 3 closed |
closed |
pins 1 & 2 closed |
|
80486DX |
pins 2 & 3 closed |
closed |
pins 1 & 2 closed |
|
80487SX |
pins 1 & 2 closed |
closed |
pins 1 & 2 closed |
|
80486SX |
N/A |
N/A |
pins 2 & 3 closed |
|
CPU CONFIGURATION | ||||||
|
Speed |
OSCI |
S0 |
S1 |
S2 |
W7 |
W8 |
|
20MHz |
40MHz |
closed |
open |
closed |
pins 1 & 2 |
pins 1 & 2 |
|
25MHz |
50MHz |
open |
open |
closed |
pins 1 & 2 |
pins 1 & 2 |
|
33MHz |
66MHz |
closed |
closed |
open |
pins 1 & 2 |
pins 1 & 2 |
|
40MHz |
80MHz |
open |
closed |
open |
pins 1 & 2 |
pins 1 & 2 |
|
50(internal)MHz |
50MHz |
open |
open |
closed |
pins 2 & 3 |
pins 2 & 3 |
|
50MHz |
50MHz |
open |
open |
closed |
pins 1 & 2 |
pins 1 & 2 |
|
66(internal)MHz |
66MHz |
closed |
closed |
open |
pins 1 & 2 |
pins 1 & 2 |
|
Note:Pins designated should be in the closed position. | ||||||
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
W10 |
W15 |
W16 |
|
64KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
Note:The location of Jumper W15 and W16 may vary. | |||
|
CACHE CONFIGURATION | |||
|
Size |
Cache CACHE |
Location |
TAG |
|
64KB |
(8) 8K x 8 |
CACHE |
(2) 16K x 1 |
|
256KB |
(8) 32K x 8 |
CACHE |
(2) 16K x 1 |