It increases number of parallel lines to transfer from/to hard drive to/from CPU, memory or chipset.
Parallel ATA connectors use a 40 pin female connector with one pin removed for keying.
EIDE cable uses a 40-pin connector at the end of the cable to interface with the drive.
Under parallel ata, two types of ribbon cable are used. The 80-conductor ide cable has 40 pins and 80 wires Forty wires are used for communication and data, and an additional 40 ground wires reduce crosstalk on the cable. An older 40-conducror cable has 40 wires and 40 pins. the two types of cables are PATA and IDE cables which come in a 80-conductor IDE cable and a 40-conductor cable
None, the pins are on the motherboard or HDD
80 pin cables are generally newer than 40 pin cables, and can, in most cases, transfer data at a faster rate. The extra 40 wires are not actually pins, but wires separated the pins that actually carry data. The purpose of these is to reduce signal interference.
They have 46 pins
A PATA (Parallel ATA) cable that supports ATA-5 and UDMA66 typically has 40 pins. This 40-pin connector is used to connect devices like hard drives and CD-ROM drives to the motherboard. Additionally, there is a 80-wire version of the cable that improves data transfer rates while maintaining the same 40-pin connector.
40 PINS
It has 40 Pins
3 types of ribbon cables found in a PC are, a 34-pin floppy drive cable with twist, a 40-pin IDE cable with 40 wires, and a 40-pin IDE cable with 80 fine wires(80 conductor cable)A floppy drive cable, an IDE cable, and a CD or DVD drive cable
40 pins but 39 pin working
It has 40 Pins