UNIDENTIFIED
ENDAT-386SB
|
Processor |
80386SX (exact location unidentified) |
|
Processor Speed |
16MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
8MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 210mm |
|
I/O Options |
None |
|
NPU Options |
80387SX (exact location unidentified) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Speaker |
J19 |
|
Turbo LED |
J17 |
Power LED & keylock |
J20 |
|
Turbo switch |
J18 |
Reset switch |
JP1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Turbo enabled (16MHz) |
J18 |
Closed | |
|
Turbo disabled (8MHz) |
J18 |
Open | |
|
Monitor type select monochrome |
JP2 |
Open | |
|
Monitor type select color |
JP2 |
Closed | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0A |
Bank 0 |
Bank 1A |
|
512KB |
(4) 44256 & (2) 41256 |
NONE |
NONE |
|
1MB |
(4) 44256 & (2) 41256 |
NONE |
(4) 44256 & (2) 41256 |
|
1.5MB |
(4) 44256 & (2) 41256 |
(2) 256K x 9 |
(4) 44256 & (2) 41256 |
|
2MB |
(4) 44256 & (2) 41256 |
(2) 256K x 9 |
(4) 44256 & (2) 41256 |
|
2MB |
NONE |
(2) 1M x 9 |
NONE |
|
4MB |
NONE |
(2) 1M x 9 |
NONE |
|
6MB |
NONE |
(2) 1M x 9 |
NONE |
|
8MB |
NONE |
(2) 1M x 9 |
NONE |
|
Note: (2) 41256 are parity chips. | |||
|
DRAM CONFIGURATION (CON’T) | |||
|
Size |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
NONE |
NONE |
NONE |
|
1MB |
NONE |
NONE |
NONE |
|
1.5MB |
NONE |
NONE |
NONE |
|
2MB |
(2) 256K x 9 |
NONE |
NONE |
|
2MB |
NONE |
NONE |
NONE |
|
4MB |
(2) 1M x 9 |
NONE |
NONE |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
WAIT STATE CONFIGURATION | |||||
|
Page hit |
Page miss |
JP5 |
JP6 | ||
|
Bank hit |
Bank miss |
Bank hit |
Bank miss | ||
|
0 |
0 |
2 |
2 |
1 & 2 |
1 & 2 |
|
0 |
N/A |
2 |
1 |
1 & 2 |
2 & 3 |
|
1 |
0 |
2 |
2 |
2 & 3 |
1 & 2 |
|
2 |
0 |
3 |
3 |
2 & 3 |
2 & 3 |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note: The location of pin 1 is unidentified. |