Hi, no, it shouldn't matter... do other USB things work?
At the Apple Icon at top left>About this Mac.
Then click on More Info>System Report>Hardware>USB?
USB Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBUHCI
PCI Device ID: 0x2835
PCI Revision ID: 0x0003
PCI Vendor ID: 0x8086
Bus Number: 0x3a
USB Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBUHCI
PCI Device ID: 0x2834
PCI Revision ID: 0x0003
PCI Vendor ID: 0x8086
Bus Number: 0x1a
Bluetooth USB Host Controller:
Product ID: 0x8206
Vendor ID: 0x05ac (Apple Inc.)
Version: 19.65
Speed: Up to 12 Mb/sec
Manufacturer: Apple Inc.
Location ID: 0x1a100000 / 2
Current Available (mA): 500
Current Required (mA): 0
Bluetooth USB Host Controller:
Product ID: 0x8206
Vendor ID: 0x05ac (Apple Inc.)
Version: 19.65
Speed: Up to 12 Mb/sec
Manufacturer: Apple Inc.
Location ID: 0x1a100000 / 2
Current Available (mA): 500
Current Required (mA): 0
USB Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBUHCI
PCI Device ID: 0x2830
PCI Revision ID: 0x0003
PCI Vendor ID: 0x8086
Bus Number: 0x1d
USB Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBUHCI
PCI Device ID: 0x2831
PCI Revision ID: 0x0003
PCI Vendor ID: 0x8086
Bus Number: 0x3d
USB Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBUHCI
PCI Device ID: 0x2832
PCI Revision ID: 0x0003
PCI Vendor ID: 0x8086
Bus Number: 0x5d
IR Receiver:
Product ID: 0x8242
Vendor ID: 0x05ac (Apple Inc.)
Version: 0.16
Speed: Up to 1.5 Mb/sec
Manufacturer: Apple Computer, Inc.
Location ID: 0x5d100000 / 2
Current Available (mA): 500
Current Required (mA): 100
IR Receiver:
Product ID: 0x8242
Vendor ID: 0x05ac (Apple Inc.)
Version: 0.16
Speed: Up to 1.5 Mb/sec
Manufacturer: Apple Computer, Inc.
Location ID: 0x5d100000 / 2
Current Available (mA): 500
Current Required (mA): 100
USB Hi-Speed Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBEHCI
PCI Device ID: 0x283a
PCI Revision ID: 0x0003
PCI Vendor ID: 0x8086
Bus Number: 0xfa
USB Hi-Speed Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBEHCI
PCI Device ID: 0x2836
PCI Revision ID: 0x0003
PCI Vendor ID: 0x8086
Bus Number: 0xfd
Built-in iSight:
Product ID: 0x8502
Vendor ID: 0x05ac (Apple Inc.)
Version: 1.55
Serial Number: 907B184E94AB1B4B (03.00)
Speed: Up to 480 Mb/sec
Manufacturer: Apple Inc.
Location ID: 0xfd400000 / 3
Current Available (mA): 500
Current Required (mA): 500
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 7.02
Speed: Up to 480 Mb/sec
Location ID: 0xfd100000 / 2
Current Available (mA): 500
Current Required (mA): 100
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 7.02
Speed: Up to 480 Mb/sec
Location ID: 0xfd140000 / 5
Current Available (mA): 500
Current Required (mA): 100
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 32.98
Speed: Up to 480 Mb/sec
Location ID: 0xfd142000 / 6
Current Available (mA): 500
Current Required (mA): 100
USB to ATA/ATAPI Bridge:
Product ID: 0x2338
Vendor ID: 0x152d (JMicron Technology Corp.)
Version: 1.00
Serial Number: 152D203380B6
Speed: Up to 480 Mb/sec
Manufacturer: JMicron
Location ID: 0xfd142100 / 8
Current Available (mA): 500
Current Required (mA): 2
USB Keykoard:
Product ID: 0x0021
Vendor ID: 0x1a2c
Version: 1.10
Speed: Up to 1.5 Mb/sec
Manufacturer: USB
Location ID: 0xfd142300 / 7
Current Available (mA): 500
Current Required (mA): 98
USB-PS/2 Optical Mouse:
Product ID: 0xc012
Vendor ID: 0x046d (Logitech Inc.)
Version: 13.20
Speed: Up to 1.5 Mb/sec
Manufacturer: Logitech
Location ID: 0xfd110000 / 4
Current Available (mA): 500
Current Required (mA): 98
Built-in iSight:
Product ID: 0x8502
Vendor ID: 0x05ac (Apple Inc.)
Version: 1.55
Serial Number: 907B184E94AB1B4B (03.00)
Speed: Up to 480 Mb/sec
Manufacturer: Apple Inc.
Location ID: 0xfd400000 / 3
Current Available (mA): 500
Current Required (mA): 500
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 7.02
Speed: Up to 480 Mb/sec
Location ID: 0xfd100000 / 2
Current Available (mA): 500
Current Required (mA): 100
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 7.02
Speed: Up to 480 Mb/sec
Location ID: 0xfd140000 / 5
Current Available (mA): 500
Current Required (mA): 100
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 32.98
Speed: Up to 480 Mb/sec
Location ID: 0xfd142000 / 6
Current Available (mA): 500
Current Required (mA): 100
USB to ATA/ATAPI Bridge:
Product ID: 0x2338
Vendor ID: 0x152d (JMicron Technology Corp.)
Version: 1.00
Serial Number: 152D203380B6
Speed: Up to 480 Mb/sec
Manufacturer: JMicron
Location ID: 0xfd142100 / 8
Current Available (mA): 500
Current Required (mA): 2
USB Keykoard:
Product ID: 0x0021
Vendor ID: 0x1a2c
Version: 1.10
Speed: Up to 1.5 Mb/sec
Manufacturer: USB
Location ID: 0xfd142300 / 7
Current Available (mA): 500
Current Required (mA): 98
USB-PS/2 Optical Mouse:
Product ID: 0xc012
Vendor ID: 0x046d (Logitech Inc.)
Version: 13.20
Speed: Up to 1.5 Mb/sec
Manufacturer: Logitech
Location ID: 0xfd110000 / 4
Current Available (mA): 500
Current Required (mA): 98
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 7.02
Speed: Up to 480 Mb/sec
Location ID: 0xfd140000 / 5
Current Available (mA): 500
Current Required (mA): 100
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 32.98
Speed: Up to 480 Mb/sec
Location ID: 0xfd142000 / 6
Current Available (mA): 500
Current Required (mA): 100
USB to ATA/ATAPI Bridge:
Product ID: 0x2338
Vendor ID: 0x152d (JMicron Technology Corp.)
Version: 1.00
Serial Number: 152D203380B6
Speed: Up to 480 Mb/sec
Manufacturer: JMicron
Location ID: 0xfd142100 / 8
Current Available (mA): 500
Current Required (mA): 2
USB Keykoard:
Product ID: 0x0021
Vendor ID: 0x1a2c
Version: 1.10
Speed: Up to 1.5 Mb/sec
Manufacturer: USB
Location ID: 0xfd142300 / 7
Current Available (mA): 500
Current Required (mA): 98
USB2.0 Hub:
Product ID: 0x0608
Vendor ID: 0x05e3 (Genesys Logic, Inc.)
Version: 32.98
Speed: Up to 480 Mb/sec
Location ID: 0xfd142000 / 6
Current Available (mA): 500
Current Required (mA): 100
USB to ATA/ATAPI Bridge:
Product ID: 0x2338
Vendor ID: 0x152d (JMicron Technology Corp.)
Version: 1.00
Serial Number: 152D203380B6
Speed: Up to 480 Mb/sec
Manufacturer: JMicron
Location ID: 0xfd142100 / 8
Current Available (mA): 500
Current Required (mA): 2
USB Keykoard:
Product ID: 0x0021
Vendor ID: 0x1a2c
Version: 1.10
Speed: Up to 1.5 Mb/sec
Manufacturer: USB
Location ID: 0xfd142300 / 7
Current Available (mA): 500
Current Required (mA): 98
USB to ATA/ATAPI Bridge:
Product ID: 0x2338
Vendor ID: 0x152d (JMicron Technology Corp.)
Version: 1.00
Serial Number: 152D203380B6
Speed: Up to 480 Mb/sec
Manufacturer: JMicron
Location ID: 0xfd142100 / 8
Current Available (mA): 500
Current Required (mA): 2
USB Keykoard:
Product ID: 0x0021
Vendor ID: 0x1a2c
Version: 1.10
Speed: Up to 1.5 Mb/sec
Manufacturer: USB
Location ID: 0xfd142300 / 7
Current Available (mA): 500
Current Required (mA): 98
USB-PS/2 Optical Mouse:
Product ID: 0xc012
Vendor ID: 0x046d (Logitech Inc.)
Version: 13.20
Speed: Up to 1.5 Mb/sec
Manufacturer: Logitech
Location ID: 0xfd110000 / 4
Current Available (mA): 500
Current Required (mA): 98