Performance tips for WindowsNT on /400?

[Tom Hightower/Solutions_Inc<tomh@xxxxxxxxx>]

I've got a customer who has an INS board, running Windows NT 4.0 (SP4), 12g 
disk (across 4 disks), 64m RAM.  Three primary users, each with 128m RAM in 
their NT Workstations (SP4). Everyone connects via TCP/IP at 100mb/s. Their 
AS/400 (9406-170) is at V4R3, a cum package installed 10 weeks ago. 
Performance adjustment is off, performance monitor is off, disk mirroring 
is in effect. They no longer do AS/400 stuff, just NT.  It looks as if they 
have plenty of free space on the NT (800m free in D:, 176m free in E:), the 
AS/400 disk usage is at 87%. They have Timberline software installed on the 
INS board, and it runs like a dog. 

What can I do to enhance the performance?
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