DIGITAL EQUIPMENT CORPORATION
PC 3100
Device Type |
Mainboard |
Processor |
AM K5/AM K6/Pentium |
Processor Speed |
90/120/133/150/166/200/233/266/300/333/366MHz |
Chip Set |
Intel |
Video Chip Set |
S3 |
Maximum Onboard Memory |
256MB (SDRAM supported) |
Maximum Video Memory |
4MB |
Cache |
256/512KB |
BIOS |
Unidentified |
Dimensions |
254mm x 218mm |
I/O Options (mainboard) |
Ethernet 10BaseT connector, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, USB connectors (2), VRM connector |
I/O Options (backplane) |
IDE interfaces (2), floppy drive interface, audio in CD-ROM, fax/modem connector 32-bit PCI slots (2 or 3) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port |
CN1 |
Ethernet 10BaseT connector |
CN6 |
VGA port |
CN2 |
Parallel port |
CN7 |
USB connector |
CN3 |
VGA feature connector |
CN8 |
USB connector |
CN4 |
VRM connector |
VRM |
PS/2 mouse port |
CN5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Password normal operation |
SW1/2 |
Off |
Password clear |
SW1/2 |
On | |
|
BIOS normal operation |
SW1/3 |
Off |
BIOS recovery mode |
SW1/3 |
On | |
|
CMOS memory normal operation |
SW1/4 |
Off |
CMOS memory clear |
SW1/4 |
On | |
|
BIOS write disabled |
SW1/5 |
Off |
BIOS write enabled |
SW1/5 |
On |
DIMM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
16MB |
(1) 2M x 64 |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 4M x 64 |
None |
None |
32MB |
(1) 2M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
None |
40MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
None |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
56MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
64MB |
(1) 8M x 64 |
None |
None |
64MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
DIMM CONFIGURATION (CONT) | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
None |
72MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
None |
80MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
88MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
96MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
None |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
104MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
112MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
128MB |
(1) 16M x 64 |
None |
None |
128MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
None |
136MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
None |
144MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 2M x 64 |
152MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
160MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
None |
160MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 4M x 64 |
168MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
176MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
192MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
None |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
200MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 1M x 64 |
208MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 2M x 64 |
224MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 4M x 64 |
256MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
Note: Board accepts SDRAM memory. |
CACHE CONFIGURATION | |
Size |
Bank 0 |
256KB |
(2) 32K x 32 |
512KB |
(2) 64K x 32 |
VIDEO MEMORY CONFIGURATION |
Note: 2MB video memory is factory installed and is not configurable. To increase to 4MB, install upgrade module at CN9. |
CPU SPEED SELECTION (AM K5) | ||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/6 |
SW1/7 |
SW1/8 |
90MHz |
60MHz |
1.5x |
Off |
Off |
Off |
Off |
120MHz |
60MHz |
2x |
Off |
Off |
On |
Off |
133MHz |
66MHz |
2x |
On |
Off |
On |
Off |
150MHz |
60MHz |
2.5x |
Off |
Off |
On |
On |
166MHz |
66MHz |
2.5x |
On |
Off |
On |
On |
200MHz |
66MHz |
3x |
On |
Off |
Off |
On |
CPU SPEED SELECTION (AM K6) | ||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/6 |
SW1/7 |
SW1/8 |
166MHz |
66MHz |
2.5x |
On |
Off |
On |
On |
200MHz |
66MHz |
3x |
On |
Off |
Off |
On |
233MHz |
66MHz |
3.5x |
On |
Off |
Off |
Off |
266MHz |
66MHz |
4x |
On |
On |
On |
Off |
300MHz |
66MHz |
4.5x |
On |
On |
On |
On |
333MHz |
66MHz |
5x |
On |
On |
Off |
On |
366MHz |
66MHz |
5.5x |
On |
On |
Off |
Off |
CPU SPEED SELECTION (INTEL) | ||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/6 |
SW1/7 |
SW1/8 |
90MHz |
60MHz |
1.5x |
Off |
Off |
Off |
Off |
120MHz |
60MHz |
2x |
Off |
Off |
On |
Off |
133MHz |
66MHz |
2x |
On |
Off |
On |
Off |
150MHz |
60MHz |
2.5x |
Off |
Off |
On |
On |
166MHz |
66MHz |
2.5x |
On |
Off |
On |
On |
200MHz |
66MHz |
3x |
On |
Off |
Off |
On |
CPU SPEED SELECTION (INTEL MMX) | ||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/6 |
SW1/7 |
SW1/8 |
166MHz |
66MHz |
2.5x |
On |
Off |
On |
On |
200MHz |
66MHz |
3x |
On |
Off |
Off |
On |
233MHz |
66MHz |
3.5x |
On |
Off |
Off |
Off |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
IDE interface 1 |
CN1 |
Control panel connector |
CN7 |
IDE interface 2 |
CN2 |
Chassis fan power |
CN8 |
Floppy drive interface |
CN3 |
SCSI interface LED |
CN9 |
Audio rear panel connector |
CN4 |
Micro switch connector |
CN10 |
Audio in CD-ROM |
CN5 |
Main logic board connector |
CN11 |
Fax/modem connector |
CN6 |
32-bit PCI slots |
PC1 PC2 |
Note: A power connector is located on the reverse side of this card. |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Micro switch connector |
CN1 |
Control panel connector |
CN7 |
IDE interface 1 |
CN2 |
Fax/modem connector |
CN8 |
IDE interface 2 |
CN3 |
Audio in CD-ROM |
CN9 |
Floppy drive interface |
CN4 |
Audio rear panel connector |
CN10 |
SCSI interface LED |
CN5 |
Main logic board connector |
CN11 |
Chassis fan power |
CN6 |
32-bit PCI slots |
PC1 PC3 |