Apple manufactures many parts of computer and electronics. There are many computer parts available in market manufactured by apple. SCSI cards are one of the parts, manufactured by Apple. There are both external and internal SCSI cards available in market, manufactured by Apple.

SCSI cards increases the capability of G3 and G4. It you add the SCSI part then download the SCSI driver is necessary. The most effective and popular SCSI part is Adaptec 2906 2 port SCSI card. It helps to run your Zip drive or scanner up to 6 times faster than a parallel port connection with SCSI Card.

There are many SCSI cards manufactured by apple but most popular parts are p/n AVA-2906, AHA-2930CU MAC, p/n 661-2148, SCSI APD-29160N MAC PCI 32 bit, ADAPTEC Power domain 29160 Ultra160 SCSI Card PCI 64 Bit, p/n AHA-39160, p/n PDAC-15, p/n 0042-PCBX-002, p/n GRAPP-940UW-WC, p/n GRAPPLER-940UW, Ultra-3 LVD SCSI PCI Card, Adaptec 2906 SCSI Card, ADAPTEC 39160 Ultra 160 Dual Channel SCSI Card and Atto Dual-channel Ultra3 SCSI Host Adapter.

According to configuration there are three Apple SCSI cards available. Version 2 cards are equivalent to version 1 cards but these are tested.

• Ultra SCSI PCI Card (Ultra)
• Single Channel Ultra2 LVD SCSI Card (Single)
• Dual Channel Ultra2 LVD SCSI Card (Dual) version 1 and 2

Ultra SCSI cards are used in power Macintosh G3 and G4. The maximum transfer rate in these cards is 20 mb/sec. The SCSI 1, SCSI 2 and ultra narrow cards are supported by apple. These cards are of 50 pin standard plug internal connector and also 50 pin high density external connector. The maximum devices attached to these cards, internally or externally are 7. These cards have 32 bit bus system.

Single channel cards are used in power Macintosh G3. The maximum transfer rate in these cards is 80 mb/sec. The Ultra2 LVD cards are supported by apple. These cards are of 68 pin high density ultra2 internal connector and 68 pin high density external connector. The maximum devices attached to these cards, internally or externally are 15. These cards have 32 bit bus system.

Dual channel card version1 are used in power Macintosh G3. The maximum transfer rate in these cards is 80 per channel. The SCSI 1, SCSI 2, ultra narrow, ultra wide and ultra2 LVD cards are supported by apple. These cards are of 68 pin high density internal and external connector. The maximum devices attached to these cards, internally or externally are 30. These cards have 64 bit bus system. The functionality of dual channel card version 2 is slightly different to dual channel card version 1.

There are various SCSI cards available but most preferable card by the people are RamFAST Rev. D SCSI card because this is the best Hi-Speed SCSI card. This card provides termination power to the SCSI chain and also allows partitions to be mapped in ProDOS.

Go to these websites to get the latest updates about your apple and mac parts.

http://www.dvwarehouse.com/

http://www.idigitals.com/

The internet is the best place to buy cheap computer parts. Due to increase in demand for many parts in many suppliers find it profitable to sell their products online. The online dealers have their websites, which offer information on the various types of Mac parts available for purchase.