MITAC INTERNATIONAL COMPUTER
PH5400VR
Device Type | Mainboard |
Processor | CX 6X86L/AM K5/AM K6/Pentium/Pentium MMX |
Processor Speed | 120/133/150/166/200/233MHz |
Chip Set | Intel |
Video Chip Set | None |
Maximum Onboard Memory | 128MB (EDO & SDRAM supported) |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | Award |
Dimensions | 220mm x 220mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | J1 | Green PC connector | J15 |
Floppy drive interface | J2 | IR connector | J16 |
Serial port 1 | J4 | Reset switch | J17 |
Serial port 2 | J6 | Speaker | J18 |
PS/2 mouse interface/USB connector | J7 | Power LED & keylock | JP8 |
IDE interface 2 | J10 | IDE interface LED | JP9 |
IDE interface 1 | J11 | 32-bit PCI slots | PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | CMOS memory normal operation | JP4 | Pins 1 & 2 closed |
| CMOS memory clear | JP4 | Pins 2 & 3 closed |
» | Factory configured - do not alter | JP901 | Open |
» | Factory configured - do not alter | JP902 | Closed |
DIMM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (1) 1M x 64 | None |
16MB | (1) 2M x 64 | None |
16MB | (1) 1M x 64 | (1) 1M x 64 |
24MB | (1) 2M x 64 | (1) 1M x 64 |
32MB | (1) 4M x 64 | None |
32MB | (1) 2M x 64 | (1) 2M x 64 |
40MB | (1) 4M x 64 | (1) 1M x 64 |
48MB | (1) 4M x 64 | (1) 2M x 64 |
64MB | (1) 8M x 64 | None |
64MB | (1) 4M x 64 | (1) 4M x 64 |
72MB | (1) 8M x 64 | (1) 1M x 64 |
80MB | (1) 8M x 64 | (1) 2M x 64 |
96MB | (1) 8M x 64 | (1) 4M x 64 |
128MB | (1) 8M x 64 | (1) 8M x 64 |
Note: Board accepts EDO & SDRAM memory. | ||
CACHE CONFIGURATION | ||
Size | Bank 0 | TAG |
256KB | (2) 32K x 32 | Unidentified |
512KB | (2) 64K x 32 | Unidentified |
CPU SPEED SELECTION (CX 6X86L) | |||||||
CPU speed | Clock speed | Multiplier | JP1 | JP2 | JP3 | JP5 | JP6 |
120MHz | 50MHz | 2x | 2 & 3 | 2 & 3 | Open | Open | 1 & 2 |
133MHz | 55MHz | 2x | 1 & 2 | 2 & 3 | Open | Open | 1 & 2 |
150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | Open | Open | 1 & 2 |
166MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | Open | Open | 1 & 2 |
Note: Pins designated should be in the closed position. | |||||||
CPU SPEED SELECTION (AM K5) | |||||||
CPU speed | Clock speed | Multiplier | JP1 | JP2 | JP3 | JP5 | JP6 |
120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | Open | Closed | 1 & 2 |
133MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | Open | Closed | 1 & 2 |
150MHz | 60MHz | 2.5x | 2 & 3 | 1 & 2 | Open | Closed | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | Open | Closed | 1 & 2, 3 & 4 |
Note: Pins designated should be in the closed position. | |||||||
CPU SPEED SELECTION (AM K6) | |||||||
CPU speed | Clock speed | Multiplier | JP1 | JP2 | JP3 | JP5 | JP6 |
166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2, 3 & 4 |
200MHz | 66MHz | 3x | 1 & 2 | 1 & 2 | 1 & 2 | Open | 3 & 4 |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 5 & 6 | Open | Open |
Note: Pins designated should be in the closed position. | |||||||
CPU SPEED SELECTION (INTEL STD) | |||||||
CPU speed | Clock speed | Multiplier | JP1 | JP2 | JP3 | JP5 | JP6 |
120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | Open | Open | 1 & 2 |
133MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | Open | Open | 1 & 2 |
150MHz | 60MHz | 2.5x | 2 & 3 | 1 & 2 | Open | Open | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | Open | Open | 1 & 2, 3 & 4 |
200MHz | 66MHz | 3x | 1 & 2 | 1 & 2 | Open | Open | 3 & 4 |
Note: Pins designated should be in the closed position. | |||||||
CPU SPEED SELECTION (INTEL VRE) | |||||||
CPU speed | Clock speed | Multiplier | JP1 | JP2 | JP3 | JP5 | JP6 |
120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | Open | Closed | 1 & 2 |
133MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | Open | Closed | 1 & 2 |
150MHz | 60MHz | 2.5x | 2 & 3 | 1 & 2 | Open | Closed | 1 & 2, 3 & 4 |
166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | Open | Closed | 1 & 2, 3 & 4 |
200MHz | 66MHz | 3x | 1 & 2 | 1 & 2 | Open | Closed | 3 & 4 |
Note: Pins designated should be in the closed position. | |||||||
CPU SPEED SELECTION (INTEL MMX) | |||||||
CPU speed | Clock speed | Multiplier | JP1 | JP2 | JP3 | JP5 | JP6 |
166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | Open | Open | 1 & 2, 3 & 4 |
200MHz | 66MHz | 3x | 1 & 2 | 1 & 2 | Open | Open | 3 & 4 |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | Open | Open | Open |
Note: Pins designated should be in the closed position. | |||||||