cache

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Titanium PowerBook G4 with PowerPC G4 500 MHz processor with 1MB level 2 backside cache, 256MB PC-100 SDRAM, 20GB Ultra ATA/66 hard drive, ATI RAGE Mobility 128 featuring AGP 2X support and 8MB SDRAM of video memory, built-in 10/100BASE-T Ethernet, FireWire and USB ports, VGA and S-Video ports, AirPort ready, built-in 56K V.
Products at the high end of the QorIQ portfolio also feature breakthrough embedded processing innovations that boost performance, including private backside cache per core, datapath acceleration architecture (DPAA) and CoreNet[TM] coherency fabric.
Each core has its own dedicated 128KB L2 backside cache and access to 2MB of shared frontside L3 cache.
iMac, available in Indigo, features a 400 MHz PowerPC G3 processor and contains 64MB of PC100 SDRAM, 512K backside cache, a 10GB Ultra ATA hard disk, a slot loading CD-ROM drive, ATI RAGE 128 Pro with 8MB of SDRAM, a built-in 56K V.
In addition, a third tier of cache memory has been added-a 2 MB L3 backside cache, which is Dual Data Rate enabled, providing even faster cache access.
A unique L2 private memory mode allows the L2 cache memory to be used as either a fast backside cache or as high-speed system memory.
The Crescendo/7200 G3 incorporates a G3 PowerPC processor and ultra high-speed Level 2 backside cache for modern performance levels, while the Crescendo/7200 G4 utilizes a G4 PowerPC processor that can take advantage of AltiVec-enhanced applications for even more impressive performance gains.