USB external HDD issues

Hi,
I was wondering whether anyone can give me some clue as to how to get my Astone 320G portable HDD to work under Leopard? It works perfectly under the other Windows mchines I have in the house - 1 Dell laptop and the other a no-brand PC workstation.
The Macbook Pro doesn't see it at all in Finder or Disk Utility. A USB Probe does see it and the output is pasted below. Any help would be great as it's now in hair pulling phase
Cheers
Martin
High Speed device @ 4 (0xFA200000): ............................................. Composite device: "USB4500 FW1.04"
Device Descriptor
Descriptor Version Number: 0x0200
Device Class: 0 (Composite)
Device Subclass: 0
Device Protocol: 0
Device MaxPacketSize: 64
Device VendorID/ProductID: 0xED06/0x4500 (unknown vendor)
Device Version Number: 0x0001
Number of Configurations: 1
Manufacturer String: 16 "DATAST0R Technology Corp"
Product String: 32 "USB4500 FW1.04"
Serial Number String: 48 "1966051022645658"
Configuration Descriptor: ....................................... "1966051022645658"
Length (and contents): 32
Raw Descriptor (hex) 0000: 09 02 20 00 01 01 30 C0 31 09 04 00 00 02 08 06
Raw Descriptor (hex) 0010: 50 40 07 05 81 02 00 02 00 07 05 02 02 00 02 00
Unknown Descriptor 0020:
Number of Interfaces: 1
Configuration Value: 1
Attributes: 0xC0 (self-powered)
MaxPower: 98 ma
Interface #0 - Mass Storage/SCSI
Alternate Setting 0
Number of Endpoints 2
Interface Class: 8 (Mass Storage)
Interface Subclass; 6 (SCSI)
Interface Protocol: 80
Endpoint 0x81 - Bulk Input
Address: 0x81 (IN)
Attributes: 0x02 (Bulk no synchronization data endpoint)
Max Packet Size: 512
Polling Interval: 0 ( Endpoint never NAKs)
Endpoint 0x02 - Bulk Output
Address: 0x02 (OUT)
Attributes: 0x02 (Bulk no synchronization data endpoint)
Max Packet Size: 512
Polling Interval: 0 ( Endpoint never NAKs)
Device Qualifier Descriptor
Descriptor Version Number: 0x0200
Device Class 0 (Composite)
Device Subclass 0
Device Protocol 0
Device MaxPacketSize: 64
Number of Configurations: 1
bReserved: 0
Other Speed Configuration Descriptor: ....................................... "1966051022645658"
Length (and contents): 32
Raw Descriptor (hex) 0000: 09 07 20 00 01 01 30 C0 31 09 04 00 00 02 08 06
Raw Descriptor (hex) 0010: 50 40 07 05 81 02 40 00 00 07 05 02 02 40 00 00
Unknown Descriptor 0020:
Number of Interfaces: 1
Configuration Value: 1
Attributes: 0xC0 (self-powered)
MaxPower: 98 ma
Interface #0 - Mass Storage/SCSI
Alternate Setting 0
Number of Endpoints 2
Interface Class: 8 (Mass Storage)
Interface Subclass; 6 (SCSI)
Interface Protocol: 80
Endpoint 0x81 - Bulk Input
Address: 0x81 (IN)
Attributes: 0x02 (Bulk no synchronization data endpoint)
Max Packet Size: 64
Polling Interval: 0 ms
Endpoint 0x02 - Bulk Output
Address: 0x02 (OUT)
Attributes: 0x02 (Bulk no synchronization data endpoint)
Max Packet Size: 64
Polling Interval: 0 ms

Rastarr,
The problem here seems to be that you have an external hard drive that can be compatible with either the Mac or the PC. The problem as I see it is that it was formatted for the PC which means of course when you plug it into the Mac that the Mac isn't going to see it. The second problem is erasing it and reformatting it for the Mac. Sounds like you are pretty tired of fiddling with it here. Your best bet might be to call or email the drive manufacturer's support desk and ask them.
I'm not sure but I don't think that Leopard will recognize the FAT32 format.
I know you probably have tried this but try erasing the disk and then try mounting it to your Mac and then run disk utility. It sounds like a pure formatting issue and you have to get it into a format that the Mac will recognize.

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edit: grammar. :X
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