A Lackluster Premiere: ALi Aladdin-P4

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Comparing Chipsets For The Pentium 4

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Chipset ALi Aladdin-P4 VIA P4X266A VIA P4X266 Intel 850
Introduction December 2001 December 2001 September 2001 January 2001
Processor Plattform Socket 478 Socket 478 Socket 423/478 Socket 423/478
Supported CPU Intel Pentium 4 Intel Pentium 4 Intel Pentium 4 Intel Pentium 4
Multiprocessor Support no no no yes
Chipset Northbridge ALi M1671 VIA P4X266A VIA P4X266 Intel KC82850
Chipset Southbridge ALi M1535D+ VIA VT8233CE VIA VT8233CE Intel 82801 BA
Front Side Bus Clock 66/100/133/166 MHz 66/100/133 MHz 66/100/133 MHz 100/133 MHz
Memory Clock 100/133 MHz DDR-SDRAM 100/133 MHz DDR-SDRAM 100/133 MHz DDR-SDRAM 400 MHz
Asynchronous Memory Clock yes yes yes yes
FSB-Overclocking* up to 200 MHz up to 180 MHz up to 180 MHz up to 133 MHz
max. # DIMM-Slots 3 3 3 4
max. Memory 3072 MB 3072 MB 3072 MB 2048 MB
SDRAM Support yes no no no
DDR SDRAM Support yes yes yes no
VC SDRAM Support no no no no
RIMM Support (Rambus) no no no yes
Dual RIMM Support (Rambus) no no no yes
Ultra-DMA/33/66/100 yes/yes/yes yes/yes/yes yes/yes/yes yes/yes/yes
Ultra-DMA/133 yes yes no no
Max. # USB 6 6 6 4
USB 2.0 no yes yes no
Max.# PCI Slots 7 6 6 6
Integrated Graphics no no no no
AGP 1x / 2x / 4x yes / yes / yes yes / yes / yes yes / yes / yes yes / yes / yes
ACPI Features yes yes yes yes
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Chipset Intel 845D Intel 845 SiS 645
Introduction December 2001 July 2001 November 2001
Processor Plattform Socket 478 Socket 423/478 Socket 478
Supported CPU Intel Pentium 4 Intel Pentium 4 Intel Pentium 4
Multiprocessor Support no no no
Chipset Northbridge Intel 82845 Intel 82845 SiS 645
Chipset Southbridge Intel 82801 BA Intel 82801 BA SiS 961
Front Side Bus Clock 66/100/133 MHz 66/100/133 MHz 100/133 MHz
Memory Clock 100/133 MHz DDR-SDRAM 100/133 MHz SDRAM 100/133/166 MHz DDR-SDRAM
Asynchronous Memory Clock yes yes yes
FSB-Overclocking* up to 166 MHz up to 180 MHz up to 180 MHz
max. # DIMM-Slots 3 4 3
max. Memory 2048 MB 2048 MB 3072 MB
SDRAM Support no yes yes
DDR SDRAM Support yes no yes
VC SDRAM Support no no no
RIMM Support (Rambus) no no no
Dual RIMM Support (Rambus) no no no
Ultra-DMA/33/66/100 yes/yes/yes yes/yes/yes yes/yes/yes
Ultra-DMA/133 no no no
Max. # USB 4 6 6
USB 2.0 no yes yes
Max.# PCI Slots 6 6 6
Integrated Graphics no no no
AGP 1x / 2x / 4x yes / yes / yes yes / yes / yes yes / yes / yes
ACPI Features yes yes yes

* depending on clock generator