TMC RESEARCH CORPORATION
CAT48AF, CAP48AF
Processor |
804846SX/SL80486SX/SL80486SX2/80486DX/SL80486DX/ TI486DX2/AM486/AM486+/80486DX2/SL80486DX2/TI486DX4/ 80486DX4/P24D/P24T/CX5X86 |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz |
Chip Set |
ALI |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB |
Maximum Video Memory |
None |
Cache |
128/256/512KB |
BIOS |
Unidentified |
Dimensions |
Unidentified |
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
IDE interface 1 |
J1 |
Turbo switch |
JP1 pins 7 & 17 |
IDE interface 2 |
J2 |
Turbo LED |
JP1 pins 8 & 18 |
Floppy drive interface |
J3 |
Reset switch |
JP1 pins 9 & 19 |
Parallel port |
J4 |
IDE interface LED |
JP1 pins 10 & 20 |
Serial port 1 |
J5 |
Power LED & keylock |
JP1 pins 11 - 15 |
Serial port 2 |
J6 |
PS/2 mouse interface |
JP27 |
Speaker |
JP1 pins 1 - 4 |
Auxiliary keyboard connector |
KB1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
CMOS memory normal operation |
JP19 |
Pins 1 & 2 closed |
CMOS memory clear |
JP19 |
Pins 2 & 3 closed | |
|
System reset when watch dog timer times out |
JP20 |
Pins 1 & 2 closed |
Activate NMI to CPU when watch dog timer times out |
JP20 |
Pins 2 & 3 closed | |
Watch dog timer disabled |
JP20 |
Open | |
|
Watch dog timer time out select 1 second |
JP22 |
Open |
Watch dog timer time out select 500ms |
JP22 |
Closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
None |
None |
2MB |
(1) 512K x 36 |
None |
None |
None |
4MB |
(1) 1M x 36 |
None |
None |
None |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
(1) 512K x 36 |
None |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
(1) 512K x 36 |
None |
(1) 512K x 36 |
None |
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
None |
None |
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
None |
6MB |
(1) 512K x 36 |
None |
(1) 1M x 36 |
None |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
8MB |
(1) 2M x 36 |
None |
None |
None |
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
10MB |
(1) 512K x 36 |
None |
(1) 1M x 36 |
(1) 1M x 36 |
10MB |
(1) 512K x 36 |
None |
(1) 2M x 36 |
None |
12MB |
(1) 1M x 36 |
None |
(1) 2M x 36 |
None |
16MB |
(1) 4M x 36 |
None |
None |
None |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 2M x 36 |
None |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 2M x 36 |
None |
(1) 2M x 36 |
None |
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
None |
None |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
None |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
32MB |
(1) 8M x 36 |
None |
None |
None |
64MB |
(1) 16M x 36 |
None |
None |
None |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
None |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
None |
(1) 8M x 36 |
None |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
None |
None |
128MB |
(1) 32M x 36 |
None |
None |
None |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
128KB |
(4) 32K x 8 |
(1) 8K x 8 |
256KB |
(4) 64K x 8 |
(1) 16K x 8 |
512KB |
(4) 128K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size |
JP13 |
JP14 |
128KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
256KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
512KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CPU SPEED SELECTION | ||||
Speed |
JP15 |
JP16 |
JP17 |
JP18 |
25MHz |
Pins 1 & 2 closed |
Open |
Open |
Open |
33MHz |
Pins 1 & 2 closed |
Closed |
Closed |
Open |
40MHz |
Pins 1 & 2 closed |
Closed |
Open |
Open |
50iMHz |
Pins 1 & 2 closed |
Open |
Open |
Open |
50MHz |
Pins 2 & 3 closed |
Open |
Closed |
Closed |
66iMHz |
Pins 1 & 2 closed |
Closed |
Closed |
Open |
75iMHz |
Pins 1 & 2 closed |
Open |
Open |
Open |
80iMHz |
Pins 1 & 2 closed |
Closed |
Open |
Open |
100iMHz |
Pins 1 & 2 closed |
Closed |
Closed |
Open |
120iMHz |
Pins 1 & 2 closed |
Closed |
Open |
Open |
CPU VOLTAGE SELECTION | ||
Voltage |
JP2 | |
3.45v |
Pins 1 & 2 closed | |
4v |
Pins 3 & 4 closed | |
5v |
Pins 5 & 6 closed |
DMA CHANNEL SELECTION | |||
Channel |
JP21 |
JP23 | |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
SERIAL PORT 2 SELECTION | ||
Setting |
JP25 |
JP26 |
Used as COM2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Used as IR connector |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU TYPE SELECTION | ||||||
Type |
JP3 |
JP4 |
JP5 |
JP6 |
JP7 |
JP8 |
80486SX |
Open |
1 & 2 |
Open |
1 & 2 |
1 & 2 |
Open |
SL80486SX |
3 & 4 |
3 & 4 |
3 & 4 |
1 & 2 |
1 & 2 |
Open |
SL80486SX2 |
3 & 4 |
3 & 4 |
3 & 4 |
1 & 2 |
1 & 2 |
Open |
80486DX |
Open |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
SL80486DX |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
1 & 2 |
2 & 3 |
CX486M7 |
5 & 6 |
5 & 6 |
5 & 6 |
2 & 3 |
1 & 2 |
2 & 3 |
TI486DX2 |
5 & 6 |
5 & 6 |
5 & 6 |
2 & 3 |
1 & 2 |
2 & 3 |
AM486-66/80 |
Open |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
AM486-100 |
Open |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
AM486+/66/80 |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
2 & 3 |
AM486+/100/120 |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
2 & 3 |
80486DX2 |
Open |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
SL80486DX2 |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
1 & 2 |
2 & 3 |
TI486DX4 |
5 & 6 |
5 & 6 |
5 & 6 |
2 & 3 |
1 & 2 |
2 & 3 |
80486DX4 |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
1 & 2 |
2 & 3 |
P24D |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
2 & 3 |
P24T |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
1 & 2 |
CX5X86 |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
1 & 2 |
2 & 3 |
AM5X86 |
3 & 4 |
3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION | ||||
Type |
JP9 |
JP10 |
JP11 |
JP12 |
80486SX |
Open |
Open |
Open |
Closed |
SL80486SX |
Closed |
Open |
Open |
Closed |
SL80486SX2 |
Closed |
Open |
Open |
Closed |
80486DX |
Open |
Open |
Open |
Closed |
SL80486DX |
Closed |
Open |
Open |
Closed |
CX486M7 |
Closed |
Open |
1 & 2 |
Open |
TI486DX2 |
Closed |
Open |
1 & 2 |
Open |
AM486-66/80 |
Open |
Closed |
Open |
Closed |
AM486-100 |
Open |
Open |
Open |
Closed |
AM486+/66/80 |
Closed |
Open |
1 & 3, 5 & 6 |
Closed |
AM486+/100/120 |
Closed |
Open |
5 & 6 |
Closed |
80486DX2 |
Open |
Open |
Open |
Closed |
SL80486DX2 |
Closed |
Open |
Open |
Closed |
TI486DX4 |
Closed |
Open |
1 & 2 |
Open |
80486DX4 |
Closed |
Open |
Open |
Closed |
P24D |
Closed |
Open |
5 & 6 |
Closed |
P24T |
Closed |
Open |
Open |
Closed |
CX5X86 |
Closed |
Open |
5 & 6 |
Closed |
AM5X86 |
Closed |
Open |
1 & 3, 5 & 6 |
Closed |
Note: Pins designated should be in the closed position. |