UNIDENTIFIED
PM486PU-S3 PCI
Processor | CX486SX/UMC486SX/80486SX/CX486DX/AM486DX/80486DX/CX486DX2/ AM486DX2/80486DX2/CX486DX4/AM486DX4/AM486DX4(WB)/80486DX4/ P24D/Pentium Overdrive/CXM1 |
Processor Speed | 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz |
Chip Set | UMC |
Max. Onboard DRAM | 64MB |
Cache | 128/256/512KB |
BIOS | Unidentified |
Dimensions | 254mm x 218mm |
I/O Options | 32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, serial ports (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | CN1 | Green PC connector | JP1 |
Serial port 2 | CN2 | Turbo switch | JP2 |
Serial port 1 | CN3 | Turbo LED | JP3 |
Parallel port | CN4 | Reset switch | JP4 |
Floppy drive interface | CN5 | Speaker | JP5 |
IDE interface 2 | CN6 | Power LED & keylock | JP6 |
IDE interface 1 | CN7 | 32-bit PCI slots | PC1 - PC3 |
IDE interface LED | J1 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | J20 | N/A |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (1) 256K x 36 | NONE |
2MB | (1) 256K x 36 | (1) 256K x 36 |
2MB | (1) 512K x 36 | NONE |
3MB | (1) 256K x 36 | (1) 512K x 36 |
4MB | (1) 512K x 36 | (1) 512K x 36 |
4MB | (1) 1M x 36 | NONE |
5MB | (1) 256K x 36 | (1) 1M x 36 |
6MB | (1) 512K x 36 | (1) 1M x 36 |
8MB | (1) 1M x 36 | (1) 1M x 36 |
8MB | (1) 2M x 36 | NONE |
10MB | (1) 512K x 36 | (1) 2M x 36 |
12MB | (1) 1M x 36 | (1) 2M x 36 |
16MB | (1) 2M x 36 | (1) 2M x 36 |
20MB | (1) 1M x 36 | (1) 4M x 36 |
24MB | (1) 2M x 36 | (1) 4M x 36 |
32MB | (1) 4M x 36 | (1) 4M x 36 |
32MB | (1) 8M x 36 | NONE |
36MB | (1) 1M x 36 | (1) 8M x 36 |
40MB | (1) 2M x 36 | (1) 8M x 36 |
48MB | (1) 4M x 36 | (1) 8M x 36 |
64MB | (1) 8M x 36 | (1) 8M x 36 |
CACHE CONFIGURATION | ||
Size | Bank 0 | TAG |
128KB | (4) 32K x 8 | (1) 8K or (1) 32K x 8 |
256KB | (4) 64K x 8 | (1) 32K x 8 |
512KB | (4) 128K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |
Size | J8 |
128KB | Open |
256KB | pins 1 & 2 closed |
512KB | pins 1 & 2, 3 & 4 closed |
CPU TYPE CONFIGURATION | |||||
Type | J2 | J3 | J5 | J6 | J7 |
CX486SX | 2 & 3 | 1 & 2 | Open | 1 & 2, 3 & 4 | 3 & 4 |
UMC486SX | 1 & 2 | 2 & 3 | Open | Open | 1 & 2 |
80486SX | 1 & 2 | 1 & 2 | Open | 2 & 3, 4 & 5 | 3 & 4 |
CX486DX | 2 & 3 | 1 & 2 | Open | 1 & 2, 3 & 4 | 3 & 4 |
AM486DX | 1 & 2 | 2 & 3 | Open | Open | 1 & 2 |
80486DX | 1 & 2 | 1 & 2 | Open | 2 & 3, 4 & 5 | 3 & 4 |
CX486DX2 | 2 & 3 | 1 & 2 | Open | 1 & 2, 3 & 4 | 3 & 4 |
AM486DX2 | 1 & 2 | 2 & 3 | 2 & 3 | Open | 1 & 2 |
80486DX2 | 1 & 2 | 1 & 2 | Open | 2 & 3, 4 & 5 | 3 & 4 |
CX486DX4 | 2 & 3 | 1 & 2 | Open | 1 & 2, 3 & 4 | 3 & 4 |
AM486DX4 | 1 & 2 | 2 & 3 | Open | Open | 1 & 2 |
AM486DX4 (WB) | 1 & 2 | 2 & 3 | 2 & 3 | Open | 1 & 2 |
80486DX4 | 1 & 2 | 1 & 2 | Open | 2 & 3, 4 & 5 | 3 & 4 |
P24D | 1 & 2 | 1 & 2 | Open | 2 & 3, 4 & 5 | 3 & 4 |
P24T | 1 & 2 | 1 & 2 | Open | 2 & 3, 4 & 5 | 3 & 4, 5 & 6 |
CXM1 | 1 & 2 | 1 & 2 | Open | 2 & 3, 4 & 5 | 3 & 4 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | |||||
Type | J9 | J10 | J12 | J13 | J14 |
CX486SX | Open | 2 & 3 | Open | Open | Open |
UMC486SX | 1 & 2, 3 & 4 | 3 & 4 | Open | Open | Open |
80486SX | Open | Open | Open | Open | Open |
CX486DX | 3 & 4 | 2 & 3 | Open | Open | Open |
AM486DX | 1 & 2, 3 & 4 | 3 & 4 | Open | Open | Open |
80486DX | 3 & 4 | Open | Open | Open | Open |
CX486DX2 | 3 & 4 | 2 & 3 | Open | Open | Open |
AM486DX2 | 1 & 2, 3 & 4 | 3 & 4 | Open | Open | Open |
80486DX2 | 3 & 4 | Open | Open | Open | Open |
CX486DX4 | 3 & 4 | 2 & 3 | Open | Open | Open |
AM486DX4 | 1 & 2, 3 & 4 | 3 & 4 | Open | Open | Open |
AM486DX4 (WB) | 1 & 2, 3 & 4 | 3 & 4 | Open | Open | Open |
80486DX4 | 3 & 4 | Open | Open | Open | Open |
P24D | 3 & 4 | Open | Closed | Closed | Closed |
P24T | 2 & 3 | 1 & 2 | Open | Open | Open |
CXM1 | 3 & 4 | Open | Closed | Closed | Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | ||||||
Type | J15 | J16 | J17 | J18 | J19 | J21 |
CX486SX | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 |
UMC486SX | Open | Open | Open | 2 & 3 | Open | 2 & 3 |
80486SX | Open | 1 & 2 | Open | 1 & 2 | Open | 2 & 3 |
CX486DX | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
AM486DX | Open | Open | Open | 2 & 3 | Open | 1 & 2, 3 & 4 |
80486DX | Open | 1 & 2 | Open | 1 & 2 | Open | 1 & 2, 3 & 4 |
CX486DX2 | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
AM486DX2 | Open | Open | Open | 2 & 3 | Open | 1 & 2, 3 & 4 |
80486DX2 | Open | 1 & 2 | Open | 1 & 2 | Open | 1 & 2, 3 & 4 |
CX486DX4 | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
AM486DX4 | Open | Open | Open | 2 & 3 | Open | 1 & 2, 3 & 4 |
AM486DX4 (WB) | Open | Open | Open | 2 & 3 | Open | 1 & 2, 3 & 4 |
80486DX4 | Open | 1 & 2 | Open | 1 & 2 | Open | 1 & 2, 3 & 4 |
P24D | Open | 1 & 2 | Open | 1 & 2 | Open | 1 & 2, 3 & 4 |
P24T | Open | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
CXM1 | Open | 1 & 2 | Open | 1 & 2 | Open | 1 & 2, 3 & 4 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |||
Speed | J24 pins 1 & 2 | J24 pins 3 & 4 | J24 pins 5 & 6 |
20MHz | Open | Open | Open |
25MHz | Open | Open | Closed |
33MHz | Closed | Closed | Closed |
40MHz | Open | Closed | Closed |
50iMHz | Open | Open | Closed |
50MHz | Closed | Open | Open |
66iMHz | Closed | Closed | Closed |
75iMHz | Open | Open | Closed |
80iMHz | Open | Closed | Closed |
100iMHz | Closed | Closed | Closed |
CPU VOLTAGE CONFIGURATION | |
Voltage | J11 |
3.3v | pins 2 & 3 closed |
3.45v | pins 2 & 3 closed |
4v | pins 2 & 3 closed |
5v | pins 1 & 2 closed |