PC CHIPS MANUFACTURING, INC.
M750
| Device Type | Mainboard |
| Processor | Pentium II/Celeron |
| Processor Speed | 233/266/300/333/350/366/400/433/450/500MHz |
| Chip Set | Intel 440BX |
| Video Chip Set | Intel i740 |
| Audio Chip Set | Sound Pro |
| Maximum Onboard Memory | 768MB (SDRAM supported) |
| Maximum Video Memory | 8MB |
| Maximum Audio Memory | Unidentified |
| Cache | 0/128/256/512KB (located on the Pentium II CPU) |
| BIOS | AMI |
| Dimensions | 305mm x 220mm |
| I/O Options (backplane) | 32-bit PCI slots (4), floppy drive interface, game port, IDE interfaces (2), parallel port, PS/2 mouse port, serial port, VGA port, IR connector, USB ports (2), ATX power connector, line in, line out, microphone in, audio in - CD-ROMs (3), SB-Link connector, Wake-on-LAN connector |
CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX |
Floppy drive interface | FDC1 |
| Audio in - CD-ROM (Panasonic) | CD1 | IDE interface 1 | IDE1 |
| Audio in - CD-ROM (Sony) | CD2 | IDE interface 2 | IDE2 |
| PS/2 mouse port | CN2 | IR connector | IR |
| USB port 1 | CN3 | Digital audio in connector | J1 |
| USB port 2 | CN4 | Wake-on-LAN connector | J4 |
| Serial port 1 | CN5 | Speaker | J6/Pins 1, 3, 5 & 7 |
| VGA port | CN6 | Power LED & keylock | J6/Pins 2, 4, 6, 8 & 10 |
| Parallel port | CN7 | Turbo LED | J6/Pins 13 & 14 |
| Line in | CN8 | IDE interface LED | J6/Pins 15 & 16 |
| Microphone in | CN9 | Reset switch | J6/Pins 17 & 18 |
| Line out | CN10 | Power switch/Green PC switch | J6/Pins 21 & 22 |
| Game port | CN11 | Digital Audio in - CD-ROM | JP6 |
| Serial interface 2 | CN12 | 32-bit PCI slots | PC1 - PC4 |
| CPU fan power 1 | FAN1 | SB-Link connector | SB1 |
| CPU fan power 2 | FAN2 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| » | SPDIF OUT signal level selector 0.5v | JP2 | Open |
|
SPDIF OUT signal level selector 5.0v | JP2 | Closed |
» |
CMOS memory normal operation | JP4 |
Pins 1 & 2 closed |
| CMOS memory clear | JP4 |
Pins 2 & 3 closed |
|
» |
Power-on keyboard disabled | JP5 | Pins 2 & 3 closed |
| Power-on keyboard enabled | JP5 | Pins 1 & 2 closed | |
| 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: 256KB/512KB cache is located on the Pentium II CPU. 128KB is located on the Celeron 300A and greater CPUs. |
MISCELLANEOUS TECHNICAL NOTE |
| Board supports dual Pentium II CPUs, but only single Celeron CPUs. |