ASUS COMPUTER INTERNATIONAL
MEZ-VM (REV. 1.01)
MEZ-VM Socket 370 Intel 440ZX Mendocino Motherboard
| Device Type | Mainboard |
| Processor | Celeron |
| Processor Speed | 300/333/366MHz |
| Chip Set | Intel 440ZX |
| Video Chip Set | ATI |
| Maximum Onboard Memory | 512MB (SDRAM & PC100 supported) |
| Maximum Video Memory | 8MB |
| Audio Chip Set | Unidentified |
| Cache | 128KB (located on the Celeron CPU) |
| BIOS | Unidentified |
| Dimensions | 305mm x 244mm |
| I/O Options | 32-bit PCI slots (2), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in – CDROM, SB-link connector, wake on LAN connector |
CONNECTIONS
| Purpose | Location | Purpose | Location |
| AGP slot | AGP | Microphone in | CN2 |
| ATX power connector | ATX | Line in | CN3 |
| Turbo LED | C1/pins 2 & 3 | Line out | CN4 |
| Green PC connector | C1/pins 4 & 5 | VGA port | CN5 |
| Soft off power supply | C1/pins 6 & 7 | Serial port 1 | CN6 |
| Reset switch | C1/pins 9 & 10 | Parallel port | CN7 |
| Power LED & keylock | C1/pins 11 – 15 | USB connector 1 | CN8 |
| Speaker | C1/pins 17 – 20 | USB connector 2 | CN9 |
| IR connector | C2 | PS/2 mouse port | CN10 |
| SB-link connector | C3 | Floppy drive interface | CN11 |
| CPU fan power | C4 | IDE interface 2 | CN12 |
| Wake on LAN connector | C5 | IDE interface 1 | CN13 |
| Audio in – CD-ROM | C6 | AMC connector | CN14 |
| Modem connector | C7 | Serial port 2 | CN15 |
| Game/MIDI port | CN1 | 32-bit PCI slots | PC1 – PC2 |
USER CONFIGURABLE SETTINGS
| Function | Label | Position | |
| » | On board audio enabled | AUD | Pins 1 & 2 closed |
| On board audio disabled | AUD | Pins 2 & 3 closed | |
| » | Factory configured – do not alter | INT | Unidentified |
| » | CMOS memory normal operation | RTC | Open |
| CMOS memory clear | RTC | Closed | |
| » | Factory configured – do not alter | VGA | Unidentified |
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 64 | (1) 1M 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 |
| 128MB | (1) 16M x 64 | None |
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
| 256MB | (1) 32M x 64 | None |
| 264MB | (1) 32M x 64 | (1) 1M x 64 |
| 272MB | (1) 32M x 64 | (1) 2M x 64 |
| 288MB | (1) 32M x 64 | (1) 4M x 64 |
| 320MB | (1) 32M x 64 | (1) 8M x 64 |
| 384MB | (1) 32M x 64 | (1) 16M x 64 |
| 512MB | (1) 32M x 64 | (1) 32M x 64 |
| Note: Board accepts SDRAM & PC100 memory. | ||
CACHE CONFIGURATION
Note: 128KB cache is located on the Celeron 300A & 333 CPU.
VIDEO MEMORY CONFIGURATION
Note: The video memory is factory installed and is not configurable.
CPU SPEED SELECTION
| CPU speed | Clock speed | Multiplier | BF0 | BF1 | BF2 | BF3 |
| 300MHz | 66MHz | 4.5x | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
| 333MHz | 66MHz | 5x | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
| 366MHz | 66MHz | 5.5x | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
| 300MHz | 66MHz | 4.5x | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
| 333MHz | 66MHz | 5x | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
| 366MHz | 66MHz | 5.5x | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
Note: Pins designated should be in the closed position.
