JOINDATA SYSTEMS, INC.
G386SX/20
|
Processor |
80386SX |
|
Processor Speed |
16/20MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
16MB |
|
SRAM Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330.2mm x 218.4mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J2/pins 1 & 4 |
Turbo switch |
J20 |
|
Internal battery |
J2/pins 2 & 4 |
Turbo LED |
J21 |
|
Power LED & keylock |
J18 |
Reset switch |
J22 |
|
Speaker |
J19 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
J2 |
pins 3 & 4 open | |
|
CMOS memory clear |
J2 |
pins 3 & 4 closed | |
|
Monitor type select color |
JP1 |
closed | |
|
Monitor type select monochrome |
JP1 |
open | |
|
NPU disabled |
JP4 |
pins 2 & 3 closed | |
|
NPU enabled |
JP4 |
pins 1 & 2 closed | |
|
Note:J2/pin 4 is also used as ground for internal and external battery. | |||
|
DRAM CONFIGURATION | ||||||
|
Size |
SIMM |
Location |
DIP |
Location |
Parity |
Location |
|
512KB |
(2) 256K x 9 |
Bank 0 |
NONE |
NONE |
NONE |
NONE |
|
1MB |
(4) 256K x 9 |
Banks 0 & 1 |
NONE |
NONE |
NONE |
NONE |
|
1.5MB |
(4) 256K x 9 |
Banks 0 & 1 |
(4) 44256 |
Bank 4 |
(2) 41256 |
P-4 |
|
2MB |
(4) 256K x 9 |
Banks 0 & 1 |
(8) 44256 |
Banks 4 & 5 |
(4) 41256 |
P-4 & P-5 |
|
2MB |
(2) 1M x 9 |
Bank 0 |
NONE |
NONE |
NONE |
NONE |
|
2.5MB |
(2) 256K x 9 (2) 1M x 9 |
Bank 0 Bank 1 |
NONE |
NONE |
NONE |
NONE |
|
3MB |
(4) 256K x 9 |
Banks 0 & 1 |
(16) 411000 |
Bank 2 |
(2) 411000 |
P-2 |
|
4MB |
(4) 1M x 9 |
Banks 0 & 1 |
NONE |
NONE |
NONE |
NONE |
|
4.5MB |
(4) 1M x 9 |
Banks 0 & 1 |
(4) 44256 |
Bank 4 |
(2) 41256 |
P-4 |
|
5MB |
(4) 256K x 9 |
Banks 0 & 1 |
(32) 411000 |
Banks 2 & 3 |
(4) 411000 |
P-2 & P-3 |
|
6MB |
(4) 1M x 9 |
Banks 0 & 1 |
(16) 411000 |
Bank 2 |
(2) 411000 |
P-2 |
|
8MB |
(4) 1M x 9 |
Banks 0 & 1 |
(32) 411000 |
Banks 2 & 3 |
(4) 411000 |
P-2 & P-3 |
|
8MB |
(2) 4M x 9 |
Bank 0 |
NONE |
NONE |
NONE |
NONE |
|
8.5MB |
(2) 256K x 9 (2) 4M x 9 |
Bank 0 Bank 1 |
NONE |
NONE |
NONE |
NONE |
|
9MB |
(2) 256K x 9 (2) 4M x 9 |
Bank 0 Bank 1 |
(4) 44256 |
Bank 4 |
(2) 41256 |
P-4 |
|
10MB |
(2) 1M x 9 (2) 4M x 9 |
Bank 0 Bank 1 |
NONE |
NONE |
NONE |
NONE |
|
12MB |
(2) 1M x 9 (2) 4M x 9 |
Bank 0 Bank 1 |
(16) 411000 |
Bank 2 |
(2) 411000 |
P-2 |
|
16MB |
(4) 4M x 9 |
Bank 0 |
NONE |
NONE |
NONE |
NONE |