UNIDENTIFIED
PAT48PR
|
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
20/25/33/40(internal)/50(internal)/50/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 (pins 1-4) |
IDE interface LED (to case) |
J1 (pins 10 & 20) |
|
Power LED & keylock |
J1 (pins 11-15) |
IDE interface LED (to HDD) |
J2 |
|
Turbo switch |
J1 (pins 7 & 17) |
External battery |
J4 |
|
Turbo LED |
J1 (pins 8 & 18) |
32-bit local bus slots |
SL1 & SL2 |
|
Reset switch |
J1 (pins 9 & 19) | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Battery type select internal |
JP1 |
pins 2 & 3 closed |
|
Battery type select external |
JP1 |
Open | |
|
CMOS memory clear |
JP1 |
pins 1 & 2 closed | |
|
|
Monitor type select color |
JP4 |
Closed |
|
Monitor type select monochrome |
JP4 |
Open | |
|
DRAM CONFIGURATION (GROUP A) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(1) 1M x 36 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
9MB |
(4) 256K x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
NONE |
|
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
NONE |
|
13MB |
(4) 256K x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
24MB |
(4) 1M x 9 |
(4) 4M x 9 |
(1) 1M x 36 |
NONE |
|
24MB |
(4) 4M x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
NONE |
|
28MB |
(4) 1M x 9 |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
28MB |
(4) 4M x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 1M x 36 |
NONE |
|
40MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 4M x 36 |
NONE |
|
52MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
|
52MB |
(4) 4M x 9 |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
Note: Group A -- 30-pin SIMMS = Banks 0 & 1 and 72-pin SIMMS = 2 & 3. | ||||
|
DRAM CONFIGURATION (GROUP B) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
NONE |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 1M x 9 |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
36MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
(4) 1M x 9 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
NONE |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 1M x 9 |
|
52MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
(4) 4M x 9 |
|
Note: Group B -- = 72-pin SIMMS Banks 0 & 1 and 30-pin SIMMS = 2 & 3. | ||||
|
DRAM CONFIGURATION (GROUP C) | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 2M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note: Group C -- = 72-pin SIMMS Banks 0 & 1. | ||
|
DRAM TYPE CONFIGURATION | |||
|
Group |
RNB1/2 |
RNC1/2 |
RND1/2 |
|
Group A |
Not installed |
Installed |
Not installed |
|
Group B |
Not installed |
Not installed |
Installed |
|
Group C |
Installed |
Not installed |
Not installed |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
TAG (U43) |
TAG (U44) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 64K x 1 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 64K x 1 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 64K x 1 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
RND |
RNE |
RNF |
|
64KB |
Installed |
Not installed |
Not installed |
|
128KB |
Not installed |
Installed |
Not installed |
|
256KB |
Not installed |
Not installed |
Installed |
|
CPU TYPE CONFIGURATION | |||
|
Type |
RNA3 |
RNB3 |
RNC3 |
|
80486SX |
Not installed |
Not installed |
Installed |
|
80487SX |
Not installed |
Installed |
Not installed |
|
80486DX/DX2 |
Installed |
Not installed |
Not installed |
|
Pentium Overdrive |
Not installed |
Installed |
Not installed |
|
CPU SPEED CONFIGURATION | |||||
|
Speed |
JP2 |
W13 |
W14 |
W15 |
W16 |
|
20MHz |
pins 2 & 3 closed |
Open |
Closed |
Open |
Open |
|
25MHz |
pins 2 & 3 closed |
Open |
Open |
Closed |
Open |
|
33MHz |
pins 2 & 3 closed |
Open |
Open |
Open |
Closed |
|
40iMHz |
pins 2 & 3 closed |
Open |
Closed |
Open |
Open |
|
50iMHz |
pins 2 & 3 closed |
Open |
Open |
Closed |
Open |
|
50MHz |
pins 1 & 2 closed |
Open |
Open |
Closed |
Open |
|
66iMHz |
pins 2 & 3 closed |
Open |
Open |
Open |
Closed |
|
BUS SPEED CONFIGURATION | |||
|
CPU type |
JP3 |
JP5 |
JP6 |
|
80486DX-50 |
Closed |
Closed |
Closed |
|
All other CPU |
Open |
Open |
Open |
|
VESA WAIT STATE CONFIGURATION | ||||
|
CPU type |
VLB cards installed |
W21 |
W22 |
W23 |
|
80486DX-50 |
1 |
pin 1 on W21 & pin 1 on W22 closed |
pins 2 & 3 closed | |
|
All other CPU |
2 |
Closed |
Closed |
pins 1 & 2 closed |