AST RESEARCH, INC.
RAMPAGE AT (202079-001)
|
Card Type |
Memory card |
|
Chip Set |
Unidentified |
|
Maximum Onboard Memory |
2MB RAM (Type unidentified) |
|
I/O Options |
None |
|
Data Bus |
16-bit ISA |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
| » |
Dual page mode enabled |
SW1/9 |
On |
|
Dual page mode disabled |
SW1/9 |
Off | |
| » |
Factory configured - do not alter |
SW1/10 |
N/A |
| » |
Factory configured - do not alter (memory priority check) |
SW2/8 |
Unidentified |
|
NON-EXPANDED MEMORY SWITCH CONFIGURATION | |||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 | |
| » |
128KB |
On |
On |
On |
On |
|
256KB |
On |
On |
On |
Off | |
|
384KB |
On |
On |
Off |
On | |
|
512KB |
On |
On |
Off |
Off | |
|
640KB |
On |
Off |
On |
On | |
|
768KB |
On |
Off |
On |
Off | |
|
896KB |
On |
Off |
Off |
On | |
|
1024KB |
On |
Off |
Off |
Off | |
|
1152KB |
Off |
On |
On |
On | |
|
1280KB |
Off |
On |
On |
Off | |
|
1408KB |
Off |
On |
Off |
On | |
|
1536KB |
Off |
On |
Off |
Off | |
|
1664KB |
Off |
Off |
On |
On | |
|
1792KB |
Off |
Off |
On |
Off | |
|
1920KB |
Off |
Off |
Off |
On | |
|
2048KB |
Off |
Off |
Off |
Off | |
|
STARTING MEMORY ADDRESS SELECTION | ||||||||
|
Address |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 | |
|
0KB |
On |
On |
On |
On |
On |
On |
On | |
|
128KB |
On |
On |
On |
On |
On |
On |
Off | |
|
256KB |
On |
On |
On |
On |
On |
Off |
On | |
|
384KB |
On |
On |
On |
On |
On |
Off |
Off | |
| » |
512KB |
On |
On |
On |
On |
Off |
On |
On |
|
12MB |
Off |
Off |
On |
On |
On |
On |
On | |
|
13MB |
Off |
Off |
On |
Off |
On |
On |
On | |
|
14MB |
Off |
Off |
Off |
On |
On |
On |
On | |
|
15MB |
Off |
Off |
Off |
Off |
On |
On |
On | |
|
All Rampage |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
Note: The Rampage AT may be set for any memory address from 0K to 15896K, Each switch represents a quantity of memory. SW2/1 is the Most Significant Bit and SW2/7 is the Least Significant Bit. The switches have the following values: SW2/1=8192K, SW2/2=4096K, SW2/3=2048K, SW2/4=1024K, SW2/5=512K, SW2/6=256K, and SW2/7=128K. Turn off the switches and add their values to obtain the correct starting memory address. (Off=1, On=0) | ||||||||
|
BASE I/O ADDRESS SELECTION | |||||
|
Setting |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 | |
|
208h |
On |
On |
On |
On | |
| » |
218h |
On |
On |
On |
Off |
|
228h |
On |
On |
Off |
On | |
|
238h |
On |
On |
Off |
Off | |
|
248h |
On |
Off |
On |
On | |
|
258h |
On |
Off |
On |
Off | |
|
268h |
On |
Off |
Off |
On | |
|
278h |
On |
Off |
Off |
Off | |
|
288h |
Off |
On |
On |
On | |
|
298h |
Off |
On |
On |
Off | |
|
2A8h |
Off |
On |
Off |
On | |
|
2B8h |
Off |
On |
Off |
Off | |
|
2C8h |
Off |
Off |
On |
On | |
|
2D8h |
Off |
Off |
On |
Off | |
|
2E8h |
Off |
Off |
Off |
On | |
|
2F8h |
Off |
Off |
Off |
Off | |
|
MISCELLANEOUS TECHNICAL NOTES |
|
Note: The location and configuration of the memory is unidentified. The IBM model 339 AT does not support this board in the #20279-301 -A, -B, -C, or the #20279-302 - A revisions. |