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| Battery | Integrated into the Real Time Clock (RTC)--Dallas® DS12887 chip. The internal battery in the DS12887 device has an estimated lifetime of ten years. The battery is not replaceable. |
| BIOS | Flash EEPROM - AMI BIOS |
| Bus Architecture | PCI 2.0/ISA based system bus Intel Neptune PCI Chipset |
| Cache | 16K level 1 cache 256k level 2 cache |
| Chipset | S82434NX PCI/Cache/Memory Controller FDC37C665GT Super I/O Controller S82378ZB System Controller S82433NX Local Bus Extension RZ1000BP PCI IDE Processor |
| CPU | Pentium 75 MHz (PB540) Pentium 90 MHz (PB550) Pentium 100 MHz (PB560) Uses 320 pin Type 5 CPU Zero Insertion Force (ZIF) CPU Socket |
| Interfaces | 1 DB-9 Serial ports for COM1 1 DB-25 Parallel port 1 PS/2 Keyboard port 1 PS/2 Mouse port 1 15 pin VGA |
| IRQ Availability | 5, 10,11, 15 The available IRQs may vary depending on the system configurations. When determining available IRQs always check for printers, sound cards, CD-ROM drives and any other devices in the system. See IRQ AVAILABILITY |
| Network Certification | Novell File Server/Workstation:F-3238 |
| RAM | 8M standard/136M maximum Uses 4/8/16/32 MB 72-pin SIMMs, ó 70ns |
| Speaker | External 8 Ohms, 1/2 Watt speaker. |
| UART | 16C550A Compatible |
| Video | Built-in, Cirrus Logic® Alpine GD5434 |
| Video RAM | Upgradable to 2 MB |
| Description | Used | Handled By | |
| Timer Click | Yes | Default Handles | |
| Keyboard | Yes | Default Handles | |
| Second 8259A | Yes | BIOS | |
| COM2 or COM4 | COM2 | BIOS | |
| COM1 or COM3 | COM1 | BIOS | |
| LPT2 or Sound Card (If present) | Yes | BIOS | |
| Floppy Disk | Yes | Default Handlers | |
| LPT1 | Yes | System Area | |
| Real-Time Clock | Yes | Default Handlers | |
| Redirected IRQ2 | Yes | BIOS | |
| Sound Card (If present) | Yes | BIOS | |
| (Reserved) | Free * | BIOS | |
| PS/2 Mouse | Yes | Default Handles | |
| Math Co-processor (If present) | Yes | BIOS | |
| Fixed Disk | Yes | Default Handlers | |
| Secondary Fixed Disk (If present) | Free ** | Default Handlers |
Note
The Bolded lines are usually free IRQs except when it is used by the indicated or added devices.