QDI COMPUTER, INC.
QDI-437FX-FMB (P5I437)
Processor | CX M1/Pentium |
Processor Speed | 75/90/100/120/133/150/166/180/200MHz |
Chip Set | Intel |
Video Chip Set | None |
Maximum Onboard Memory | 128MB |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | AMI |
Dimensions | 300mm x 218mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
IDE interface 2 | CN1 | Turbo LED | J1 |
IDE interface 1 | CN2 | Reset switch | J2 |
Floppy drive interface | CN3 | Speaker | J3 |
Game port | CN4 | Power LED & keylock | J4 |
Serial port 1 | CN5 | IDE interface LED | J6 |
Serial port 2 | CN6 | Green PC connector | JP1 |
Parallel port | CN7 | 32-bit PCI slots | PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | JP3 | Open |
» | CMOS memory normal operation | JP12 | Open |
CMOS memory clear | JP12 | Closed | |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (2) 1M x 36 | None |
16MB | (2) 2M x 36 | None |
16MB | (2) 1M x 36 | (2) 1M x 36 |
24MB | (2) 2M x 36 | (2) 1M x 36 |
32MB | (2) 4M x 36 | None |
32MB | (2) 2M x 36 | (2) 2M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
64MB | (2) 8M x 36 | None |
64MB | (2) 4M x 36 | (2) 4M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
128MB | (2) 16M x 36 | None |
128MB | (2) 8M x 36 | (2) 8M x 36 |
CACHE CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | TAG |
256KB (A) | (4) 32K x 8 | (4) 32K x 8 | None | (1) 8K x 8 |
256KB (B) | (4) 32K x 8 | (4) 32K x 8 | (2) 32K x 32 | (1) 8K x 8 |
512KB | (4) 64K x 8 | (4) 64K x 8 | None | (1) 16K x 8 |
Note: The location of bank 2 is unidentified. Bank 2 is optional and may not be present. | ||||
CACHE JUMPER CONFIGURATION | |
Size | JP23 |
None | Pins 2 & 3 closed |
256KB (A) | Pins 2 & 3 closed |
256KB (B) | Pins 2 & 3 closed |
512KB | Pins 1 & 2 closed |
CACHE VOLTAGE CONFIGURATION | |
Voltage | JP24 |
Mixed voltage | Pins 2 & 3 closed |
3.3v | Pins 1 & 2 closed |
5v | Pins 2 & 4 closed |
CPU SPEED SELECTION (CYRIX) | |||||||
CPU speed | Clock speed | Multiplier | JP2 | JP4 | JP5 | JP8 | JP15 |
100MHz | 50MHz | 2x | Closed | Closed | Closed | 1 & 2 | Open |
Note: Pins designated should be in the closed position. | |||||||
CPU SPEED SELECTION (INTEL) | |||||||
CPU speed | Clock speed | Multiplier | JP2 | JP4 | JP5 | JP8 | JP15 |
75MHz | 50MHz | 1.5x | Open | Closed | Closed | 1 & 2 | Open |
90MHz | 60MHz | 1.5x | Open | Closed | Open | 2 & 3 | Open |
100MHz | 66MHz | 1.5x | Open | Open | Closed | 2 & 3 | Open |
120MHz | 60MHz | 2x | Closed | Closed | Open | 2 & 3 | Open |
133MHz | 66MHz | 2x | Closed | Open | Closed | 2 & 3 | Open |
150MHz | 60MHz | 2.5x | Closed | Closed | Open | 2 & 3 | Closed |
166MHz | 66MHz | 2.5x | Closed | Open | Closed | 2 & 3 | Closed |
180MHz | 60MHz | 3x | Open | Closed | Open | 2 & 3 | Closed |
200MHz | 66MHz | 3x | Open | Open | Closed | 2 & 3 | Closed |
Note: Pins designated should be in the closed position. | |||||||
CPU TYPE SELECTION | ||
Type | JP32 | JP33 |
P54C/P54CTB | Closed | Closed |
P55C | Open | Open |