IBM CORPORATION
PC SERVER 310 - TYPE 8639
Processor | Pentium |
Processor Speed | 75/90/100/120/133MHz |
Chip Set | Unidentified |
Video Chip Set | Unidentified |
Maximum Onboard Memory | 192MB |
Maximum Video Memory | Unidentified |
Cache | 256/1024KB |
BIOS | Unidentified |
Dimensions | 330mm x 218mm |
I/O Options | Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, CD-ROM audio interface, audio line in connector, audio line out connector |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Audio line out connector | CN1 | Floppy drive interface | CN8 |
Audio line in connector | CN2 | IDE interface | CN9 |
PS/2 mouse port | CN3 | IDE interface | CN10 |
Serial port | CN4 | On/off switch connector | J37 |
Serial port | CN5 | On/off switch power supply connector | J38 |
Parallel port | CN6 | CD-ROM audio interface | JP1 |
VGA port | CN7 | Riser slot | SL1 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
PS/2 mouse jumper | J28 | Unidentified | |
» | Modem answers on ring | MRD | Pins 2 & 3 closed |
Modem does not answer on ring | MRD | Pins 1 & 2 closed | |
» | Password normal operation | PWD | Pins 1 & 2 closed |
Password clear | PWD | Pins 2 & 3 closed | |
» | Floppy drive write protect disabled | WP | Pins 2 & 3 closed |
Floppy drive write protect enabled | WP | Pins 1 & 2 closed | |
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Bank 2 |
8MB | (2) 1M x 36 | None | None |
16MB | (2) 1M x 36 | (2) 1M x 36 | None |
16MB | (2) 2M x 36 | None | None |
24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |
24MB | (2) 2M x 36 | (2) 1M x 36 | None |
32MB | (2) 2M x 36 | (2) 2M x 36 | None |
32MB | (2) 4M x 36 | None | None |
40MB | (2) 2M x 36 | (2) 2M x 36 | (2) 1M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 | None |
48MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 | None |
64MB | (2) 4M x 36 | (2) 4M x 36 | None |
64MB | (2) 8M x 36 | None | None |
72MB | (2) 4M x 36 | (2) 4M x 36 | (2) 1M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 | None |
80MB | (2) 4M x 36 | (2) 4M x 36 | (2) 2M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 | None |
96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 |
DRAM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
96MB | (2) 8M x 36 | (2) 4M x 36 | None |
128MB | (2) 8M x 36 | (2) 8M x 36 | None |
136MB | (2) 8M x 36 | (2) 8M x 36 | (2) 1M x 36 |
144MB | (2) 8M x 36 | (2) 8M x 36 | (2) 2M x 36 |
160MB | (2) 8M x 36 | (2) 8M x 36 | (2) 4M x 36 |
192MB | (2) 8M x 36 | (2) 8M x 36 | (2) 8M x 36 |
CACHE CONFIGURATION | ||
Size | Bank 0 | TAG |
256KB | (8) 32K x 8 | Unidentified |
1MB | (8) 64K x 8 | Unidentified |
CACHE JUMPER CONFIGURATION | ||||
Size | J3 | J4 | J5 | J6 |
256KB | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
1MB | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
VIDEO MEMORY CONFIGURATION | |
Size | Bank 0 |
1MB | (2) 256K x 16 |
Note: The maximum video memory size is unidentified. This configuration is for an upgrade. | |
CPU SPEED SELECTION | ||||
CPU speed | Clock speed | Multiplier | J26 | J27 |
75MHz | 50MHz | 1.5x | Pins 2 & 3 closed | Pins 2 & 3 closed |
90MHz | 60MHz | 1.5x | Pins 2 & 3 closed | Pins 1 & 2 closed |
100MHz | 66MHz | 1.5x | Pins 1 & 2 closed | Pins 1 & 2 closed |
120MHz | 60MHz | 2x | Pins 2 & 3 closed | Pins 1 & 2 closed |
133MHz | 66MHz | 2x | Pins 1 & 2 closed | Pins 1 & 2 closed |
CPU BUS - CORE SELECTION | ||
Bus - core | J101 | |
1/2 | Pins 2 & 3 closed | |
| » | 2/3 | Pins 1 & 2 closed |