LAVA COMPUTER MFG., INC.
LAVA INTELLIGENCE-AT
|
Card Type |
Memory card |
|
Chipset/Controller |
N/A |
|
I/O Options |
N/A |
|
Maximum DRAM |
2MB |
|
AT BOARD SELECTION | ||
|
Starting Address |
System allocated RAM |
SW1/1 |
|
640KB |
0KB |
On |
|
512KB |
128KB |
Off |
|
Note:This board allows for a section of the RAM to be considered existing system memory to compensate for having a machine with less than 640KB. | ||
|
DRAM ADDRESS SELECTION | |||
|
Starting Address |
SW1/2 |
SW1/3 |
SW1/4 |
|
0208h |
Off |
Off |
Off |
|
0218h |
On |
Off |
Off |
|
0258h |
On |
On |
Off |
|
0268h |
Off |
On |
Off |
|
0298h |
Off |
Off |
On |
|
02A8h |
Off |
On |
On |
|
02B8h |
On |
Off |
On |
|
02E8h |
On |
On |
On |
|
DRAM ADDRESS SELECTION | |
|
Base Address |
SW1/5 |
|
E000h |
On |
|
D000h |
Off |
|
WAIT STATE SELECT | |||||
|
Number |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
|
0 |
Open |
Open |
Open |
Open |
Closed |
|
1 |
Open |
Open |
Open |
Closed |
Open |
|
2 |
Open |
Open |
Closed |
Open |
Open |
|
3 |
Open |
Closed |
Open |
Open |
Open |
|
4 |
Closed |
Open |
Open |
Open |
Open |
|
DRAM SPEED SELECT | ||||
|
Speed |
JP6 |
JP7 |
JP8 |
JP9 |
|
100 nsec |
Open |
Open |
Open |
Closed |
|
120 nsec |
Open |
Open |
Closed |
Open |
|
150 nsec |
Open |
Closed |
Open |
Open |
|
200 nsec |
Closed |
Open |
Open |
Open |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
256KB |
(9) 64K x 4 |
NONE |
NONE |
NONE |
|
512KB |
(9) 64K x 4 |
(9) 64K x 4 |
NONE |
NONE |
|
768KB |
(9) 64K x 4 |
(9) 64K x 4 |
(9) 64K x 4 |
NONE |
|
1024KB |
(9) 64K x 4 |
(9) 64K x 4 |
(9) 64K x 4 |
(9) 64K x 4 |
|
DRAM CONFIGURATION (CONTINUED) | ||||
|
Size |
Bank 4 |
Bank 5 |
Bank 6 |
Bank 7 |
|
1280KB |
(9) 64K x 4 |
NONE |
NONE |
NONE |
|
1536KB |
(9) 64K x 4 |
(9) 64K x 4 |
NONE |
NONE |
|
1792KB |
(9) 64K x 4 |
(9) 64K x 4 |
(9) 64K x 4 |
NONE |
|
2048KB |
(9) 64K x 4 |
(9) 64K x 4 |
(9) 64K x 4 |
(9) 64K x 4 |