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Packard Bell Pegasus M/Board
Specification
- Audio : On board ESS ES1869.
- BIOS : AWARD BIOS.
- Cache : 512 kB Pipeline Burstcache integrated on motherboard. Not upgradable.
- Chipset : Sis 5598 ISA/PCI chip.
- CPU Support : Socket 7 processors: Intel Pentium 90-233 MMX, Cyrix M2, AMD K6-2.
- Expansion Slots: 1 ISA slot, 2 PCI slots, 1 shared ISA/PCI slot.
- Form Factor : MicroATX
- RAM : 2 DIMM sockets supporting single or double-sided SDRAM up to a maximum of 256 MB.
- Video : Integrated in chipset, uses main RAM as video memory.
Upgrade Options
- RAM :
- Maximum on Motherboard: 256 MB
- Uses 8/16/32/64/128 MB DIMMs, 60ns or faster EDO SDRAM DIMMs
- Supports only non-parity DIMM modules.
- The 168-pin DIMM sockets will accept 3.5 V 1 MBx64 (8 MB), 2 MBx64 (16 MB), 4 MBx64 (32 MB), 8 MBx64 (64 MB), and 16 MBx64 (128 MB) DIMMs.
- Bank 0 will be populated as the default from the factory.
- No configuration jumpers: BIOS detects memory size, and memory type.
- This motherboard will not accept 36-bit DIMM modules (parity).
- Video Memory:
- The video controller is integrated on the motherboard and the amount of video memory (4 MB) is not
upgradeable.
- Cache Memory:
- This system has 512 KB cache memory integrated on the motherboard and it is not upgradeable.
- Processors :
- Motherboard can accommodate the following CPUs: Intel P54C/P55C: 75 - 233 MHz, AMD K6: 266 MHz, AMD K6-2: 300 - 333 MHz, Cyrix MII: 266 - 333
- When upgrading the CPU, use the CPU Clock Selection jumpers (JP14, JP15, and JP16) to set the host bus
frequency and the CPU/Bus Speed Selection jumpers (JP1, JP2, and JP3) to set the clock multiplier.
Configuring the motherboard for Intel CPUs |
| JP1 | Rest |
CPU | V0 | V1 | V2 | V3 | JP6 | SW1 | SW2 | SW3 | SW4 | SW5 | SW6 |
Pentium 90 | OFF | OFF | OFF | ON | OFF | ON | OFF | OFF | OFF | OFF |
OFF |
Pentium 100 | OFF | OFF | OFF | ON | OFF | OFF | OFF | OFF | OFF | OFF |
OFF |
Pentium 120 | OFF | OFF | OFF | ON | OFF | ON | OFF | OFF | ON | OFF |
OFF |
Pentium 133 | OFF | OFF | OFF | ON | OFF | OFF | OFF | OFF | ON | OFF |
OFF |
Pentium 150 | OFF | OFF | OFF | ON | OFF | ON | OFF | OFF | ON | ON |
OFF |
Pentium 166 | OFF | OFF | OFF | ON | OFF | OFF | OFF | OFF | ON | ON |
OFF |
Pentium 200 | OFF | OFF | OFF | ON | OFF | OFF | OFF | OFF | OFF | ON |
OFF |
Pentium 166 MMX | OFF | OFF | OFF | ON | OFF | OFF | OFF | OFF | ON |
ON | OFF |
Pentium 200 MMX | OFF | OFF | OFF | ON | OFF | OFF | OFF | OFF | OFF |
ON | OFF |
Pentium 233 MMX | OFF | OFF | OFF | ON | OFF | OFF | OFF | OFF | OFF |
OFF | OFF |
Configuring the motherboard for other CPUs |
| JP1 | Rest |
CPU | V0 | V1 | V2 | V3 | JP6 | SW1 | SW2 | SW3 | SW4 | SW5 |
SW6 |
Cyrix M2 300 | ON | OFF | OFF | ON | OFF | OFF | ON | ON | OFF | ON |
OFF |
AMD K6-2 333 | OFF | ON | OFF | OFF | OFF | OFF | OFF | OFF | OFF | ON |
ON |
AMD K6-2 366 | OFF | ON | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF |
ON |
Jumpers
Jumper | Function | Configuration |
JP2 | CMOS Clear | 1-2 - Normal Operation 2-3 - Clear CMOS Data Open - Disable Battery |
Onboard VGA (JP16, JP25)
Jumper | Pins | Function |
JP16 | 1-2 2-3 | Disable onboard video Enable onboard video |
JP25 | 1-2 2-3 | Enable onboard video Disable onboard video |
CPU/DRAM Clock Selection
CPU/DRAM Clock (MHz) | SW1 | SW2 | SW3 |
55 | ON | ON | OFF |
60 | ON | OFF | OFF |
66 | OFF | OFF | OFF |
75 | OFF | ON | ON |
CPU/Bus Speed Ratio Select
Intel CPU/Bus | SW4 | SW5 | SW6 |
X1.5/X3.5 | OFF | OFF | OFF |
X2.0 | ON | OFF | OFF |
X2.5 | ON | ON | OFF |
X3.0 | OFF | ON | OFF |
X4.0 | ON | OFF | ON |
X4.5 | ON | ON | ON |
X5.0 | OFF | ON | ON |
X5.5 | OFF | OFF | ON |
Core Voltage - JP1
Voltage | VO | V1 | V1 | V3 |
2.1v | ON | OFF | OFF | OFF |
2.2v | OFF | ON | OFF | OFF |
2.3v | ON | ON | OFF | OFF |
2.8v | OFF | OFF | OFF | ON |
2.9v | ON | OFF | OFF | ON |
3.2v | OFF | OFF | ON | ON |
3.3v | ON | OFF | ON | ON |
3.5v | ON | ON | ON | ON |
I/O voltage - JP6
Voltage | JP6 |
3.3v | OFF |
3.45v | ON |
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