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| Battery | Socketed 3 volt Lithium coin cell battery at location BT5G1. |
| BIOS | Flash EEPROM - AMI BIOS Plug and Play 1.0a spec., support for Windows 95. |
| Bus Architecture | PCI 2.1/ISA based system bus 66MHz maximum bus speed |
| Cache | 16K level 1 cache May have 256KB Pipelined Burst Cache soldered on board, not upgradable. |
| Chipset | PC87306B Super I/O Controller. |
| CPU | Pentium 75 MHz Pentium 90 MHz Pentium 100 MHz Pentium 120 MHz Pentium 133 MHz Pentium 150 MHz Pentium 166 MHz Pentium 200 MHz Uses Type 7 Zero Insertion Force (ZIF) CPU Socket. Supports Pentium Overdrive. |
| Interfaces | Serial DB-9 Serial port for COM2 Parallel DB-25 Parallel port Keyboard PS/2 keyboard port Mouse PS/2 mouse port S-Video I2C and S-video IN USB Side-by side USB connector (USB not available on all PB680 motherboards) RCA RCA Jack for NTSC/Pal video IN VGA DB-15 VGA port FDD Connector 34-pin on-board header connector HDD Connector 40-pin PCI IDE (fast PIO-4) HDD Connector 40-pin PCI IDE (fast PIO-4) VESA Feature Connector 34-pin header connector |
| Network Certification | To be determined. |
| RAM | 8MB installed standard/128M maximum Uses 4/8/16/32 MB 72-pin SIMMs, ó0 or 70ns, EDO or Fast Page RAM Supports only non-parity DRAM |
| Speaker | On-board piezo speaker. |
| UART | Two 16C550A Compatible chips |
| Video | Built-in, S3 Trio64V+ or S3 Virge 3D PCI graphics controller: 1024 x 768, 256 colors with 1MB 1280 x 1024, 256 colors with 2MB VESA Display Channel supported DPMS compliant |
| Note | The PB680 uses S3 Inc. Trio64V+ or S3 Virge 3D PCI Video Chipset. The S3 Trio64V+ and S3 Virge are compatible with IBM VGA standards. |
| Video RAM | S3 Trio64V+ motherboards have 1MB expandable to 2MB S3 Virge 3D motherboards have 2MB Non Upgradable |