ASUS COMPUTER INTERNATIONAL
MES-B (REV. 1.01)
| Device Type | Mainboard |
| Processor | Celeron |
| Processor Speed | 300/333/366/400/433/466/500MHz |
| Chip Set | SIS 620 |
| Video Chip Set | SIS |
| Audio Chip Set | ESS |
| Maximum Onboard Memory | 768MB (SDRAM supported) |
| Maximum Video Memory | 8MB |
| Maximum Audio Memory | Unidentified |
| Cache | 0/128KB (located on the CPU) |
| BIOS | Award |
| Dimensions | 244mm x 220mm |
| I/O Options | 32-bit PCI slots (4), floppy drive interface, game/MIDI interface, green PC connector, IDE interfaces (2), PS/2 mouse interface, serial interfaces (2), VGA interface, IR connector, USB connectors (2), ATX power connector, line in interface, line out interface, microphone in, audio in - CD-ROMs (2), Wake on LAN connector, Wake on Ring connector, LCD interface |

CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX |
IR connector | CN16 |
| Parallel port interface | CN1 | Audio header interface | CN17 |
| Serial interface 2 | CN2 | VGA header interface | CN18 |
| Serial interface 1 | CN3 | Audio in - Modem | CN19 |
| USB/IR/Mouse interface | CN4 | Audio in - AUX | CN20 |
| SMBus connector | CN5 | Audio in - CD ROM 1 | CN21 |
| Wake on LAN connector | CN6 | Audio in - CD ROM 2 | CN22 |
| Wake on ring connector | CN7 | Power LED & keylock | CN23/Pins 1-5 |
| IDE interface 1 | CN8 | Speaker | CN23/Pins 7-10 |
| IDE interface 2 | CN9 | Reset switch | CN23/Pins 11 & 12 |
| CPU fan power | CN10 | ATX power switch | CN23/Pins 14 & 15 |
| Power fan | CN11 | Green PC connector | CN23/Pins 16 & 17 |
| Chassis fan power | CN12 | Message LED | CN23/Pins 18 & 19 |
| TV out connector | CN13 | Floppy drive interface | CN24 |
| LCD connector | CN14 | 32-bit PCI slots | PC1 - PC4 |
| IDE interface LED | CN15 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
» |
Keyboard power on disabled | JP1 | Pins 1 & 2 Closed |
| Keyboard power on enabled | JP1 | Pins 2 & 3 Closed | |
| Asynchronous clock frequency | SW1/5 | Off | |
| Synchronous clock frequncy | SW1/5 | On | |
| » | CPU core voltage normal | SW1/8 | Off |
|
CPU core voltage +0.1V | SW1/8 | On |
» |
On board VGA enabled | SW2/5 | Off |
| On board VGA disabled | SW2/5 |
On |
|
| » | Display memory UMA | SW2/6 | Off |
|
Display memory non-UMA | SW2/6 | On |
| » | LCD disabled | SW2/7 | Off |
| LCD enabled | SW2/7 | On | |
| On board audio enabled | SW2/8 | On | |
| On board audio disabled | SW2/8 | Off | |
| DIMM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
8MB |
(1) 1M x 64 |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
32MB |
(1) 4M x 64 |
None |
None |
32MB |
(1) 2M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
48MB |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
64MB |
(1) 8M x 64 |
None |
None |
64MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
80MB |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
96MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
128MB |
(1) 16M x 64 |
None |
None |
128MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
144MB |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
160MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
192MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
256MB |
(1) 32M x 64 |
None |
None |
256MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
272MB |
(1) 32M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
288MB |
(1) 32M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
320MB |
(1) 32M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
384MB |
(1) 32M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
512MB |
(1) 32M x 64 |
(1) 32M x 64 |
None |
512MB |
(1) 32M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
768MB |
(1) 32M x 64 |
(1) 32M x 64 |
(1) 32M x 64 |
| Note: Board supports SDRAM memory. | |||
CACHE CONFIGURATION |
| Note: 128KB cache is located on the Celeron 300 & 333A CPU. |
CPU SPEED SELECTION |
||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 | SW1/3 |
SW1/4 |
300MHz |
66MHz |
4.5x |
On | On | On | On |
333MHz |
66MHz |
5x |
On | On | On | On |
366MHz |
66MHz |
5.5x |
On | On | On | On |
| 400MHz | 66MHz | 6x | On | On | On | On |
| 433MHz | 66MHz | 6.5x | On | On | On | On |
| 466MHz | 66MHz | 7x | On | On | On | On |
| 500MHz | 66MHz | 7.5x | On | On | On | On |
CPU SPEED SELECTION |
||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 | SW2/3 |
SW2/4 |
300MHz |
66MHz |
4.5x |
Off | On | On | Off |
333MHz |
66MHz |
5x |
Off | On | Off | On |
366MHz |
66MHz |
5.5x |
Off | On | Off | Off |
| 400MHz | 66MHz | 6x | On | Off | On | On |
| 433MHz | 66MHz | 6.5x | On | Off | On | Off |
| 466MHz | 66MHz | 7x | On | Off | Off | On |
| 500MHz | 66MHz | 7.5x | On | Off | Off | Off |
I/O VOLTAGE SETTINGS |
|||
Voltage |
SW1/6 | SW1/7 | |
| » | Normal |
Off | Off |
+0.2V |
On | Off | |
| +0.3V | On | On | |