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Power Macintosh 9500/132 Processor Upgrade And Discussion Page - Performance Of Latest G3 & G4 Processor Upgrades

PowerMac 9500/132 Facts at a Glance

  • Processor: 604, 132MHz
  • Bus Speed: 44 MHz
  • L2 Cache: 512K (Max 512K)
  • Installed RAM: 16MB (Max 1.5 GB*)
  • RAM Slots: 12, 168-pin DIMM
  • Min RAM Speed: 70 ns
  • Installed VRAM: 0 MB
  • Drive: 2 GB SCSI
  • Internal SCSI: Fast SCSI 10MB per sec
  • CD Drive: 4X
  • Network: On-board AAUI and 10baseT
  • Slots: 6 PCI
  • Drive Bays: 1 (3.5")
  • Supported MacOS: 7.5.2 - 9.x
  • Introduced: 5-1-95
  • Discontinued: 7/96
  • Initial Retail Price: $5,299

Special Notes

  • No on-board video
  • Some upgrades require significant dismantling of the machine
  • *128MB DIMMs can be used, but have not been tested


January 9, 2001

The Power Macintosh 9500/132 was part of the second generation family of PowerMacs that hit the market in the summer of 1995. It had a couple of innovations over the previous PowerMac generation; the introduction of the faster 604 PowerPC processor and the movement from NuBus expansion slots to faster PCI slots. The Mac OS too was undergoing improvement at the time which also lent increased SCSI and 680X0 emulation performance to the machine. Just as with the introduction of Firewire and USB, there was the concern that there were not enough PCI cards on the market for the Mac at the time of the 9500/132's debut. This was of especial concern for this machine because it shipped without on-board video and the purchaser was expected to purchase their own PCI video card. The machine was considered a good performance improvement over its predecessor but required almost complete disassembly to install additional RAM.

The 604 processor resides on a separate daughter cards making it easily upgradeable. The machine shipped with 512K of L2 cache. Another innovation was the use of 168-pin Dual-In-Line Memory Modules (DIMMs) that took better advantage of the 9500s 64-bit data bus. Additionally the memory could be interleaved (installed in identical pairs) for a 10-15% processor speed improvement. The machine shipped with 16MB of RAM and which is expandable to 1536 MB. There are 6 PCI slots, with special bridging chips that do some of the processing that was previously performed by the CPU. The drive capacity is 2GB, and there is internal SCSI-2 (10-MBps) support for additional drives. The machine has one drive bay free for 3.5-inch drives, though connecting drives in this particular machine requires some dexterity. A 4X CD-ROM player rounds out the attributes of the 9500.

For Great Prices On Upgrades Check The Vendors Below
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Small Dog MacConnection

Graphics Cards
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RAM & Other Memory MacConnection

SCSI, Firewire USB Cards
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Below you will find the MacBench 4.0 results for the current processor upgrades available for this machine. Results marked in blue indicate that benchmark results were done by us. All other processor card results were provided by the upgrade manufacturer. The bar graphs below express results as a percentage of improvement over the base machine, which receives a score of 100%. Further down the page you will find a table with the actual MacBench score.

** Note that MacBench does not take advantage of the Velocity Engine (AltiVec instructions) of the G4. For AltiVec accelerated applications you can see a 1.5 to 4 times performance improvement over the G3, depending on the application and the functions you are trying to perform.

For G4 Application specific scores - Click Here

"But I thought that the G4 was so much faster than the G3?" In some cases it is! For G4 Application specific scores - Click Here

MacBench Absolute Scores

Processor Upgrade Card

MacBench 4.0 Processor Score

Power Macintosh 9500/132 254
Sonnet Crescendo G3/375/187/512K 1100
PowerLogix G3/350/175/1MB 1107
NewerTechnology MAXpower G4/350/175/1MB 1118
XLR8 MACh Speed G3/333/222/1MB 1150
Sonnet Crescendo G3/400/200/512K 1173
PowerLogix G4/400/200/1MB 1239
XLR8 MACh Speed G4/400/200/1MB 1259
PowerLogix G3/400/200/1MB 1265
NewerTechnology MAXpower G4/400/200/1MB 1278
Sonnet Crescendo G4/400/200/1MB 1290
Sonnet Crescendo G3/400/200/1MB 1294
XLR8 MACh Speed G3/400/200/1MB 1294
NewerTechnology MAXpower G3/400/200/1MB 1327
XLR8 MACh Speed G3/450/225/1MB 1370
PowerLogix G4/450/225/1MB 1394
XLR8 MACh Speed G4/450/225/1MB 1417
NewerTechnology MAXpower G4/450/225/1MB 1436
Sonnet Crescendo G4/450/200/1MB 1451
PowerLogix G3/500/200/1MB 1462
PowerLogix G4/500/250/1MB 1549
XLR8 MACh Speed G4/500/250/1MB 1574
Sonnet Crescendo G3/500/250/1MB 1617
XLR8 MACh Speed G3/500/250/1MB 1618
NewerTechnology MAXpower G3/500/250/1MB 1642

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