AnywhereUSB/5 Resets with 30 Devices Attached

USB Edgeport
1

We have the AnywhereUSB/5 with quite a few USB-Serial adaptors connected. Everything is good with 29 devices attached, but as soon as the 30th USB-Serial adaptor is connected, the AnywhereUSB/5 bridge resets.

The USB-Serial adaptor uses the Prolific USB-to-Serial Comm Port driver 3.2.0.0

We can acutally get 30 devices attached w/o resets if we replace some of the USB-Serial adaptors with ones that use a different driver (PL2303 Prolific driver 1.32.0.0) however, we’re unable to receive data using those adaptors.

Here are some of the specifics along with the event log from the bridge:

Name: Digi Enet USB Bridge
S/N: SW934F9A99
Boot Code: v1.5.0002
Firmware: v2.30.0005
Hardware: 0x6
Device ID: 0x0001

Configuration Utility: AwUsbCfg version 2.60.5.0
Anywhere USB Host Controller Driver Version: 2.70.14.0

The PC is running Vista Home Premium SP2.

Here is the event log:

Digi Enet USB Bridge [192.168.1.216]

Serial Number: SW934F9A99
MAC Address: 00-20-BE-7F-9A-99

Event log range 00000000…00000001 (2 entries)
Record # Data

00000000 ! Assertion Failed in “wdmtx.c” Line 1369
“TxStatus == TX_SUCCESS”
Firmware v2.30.0005 Uptime 47min 12s
Registers: 080683E4 080683DC 00000559 00000010
00000000 00344688 00000000 000000B0
00000022 00000559 080683E4 080683DC
080683E4 003A475C 08014088 08016008
Stack: 00000000 0006D14C 0006AC90 003A47D0
003A47B8 080139D0 08014050 00000000
0006D14C 0006AC90 003A47FC 003A47D4
0800B100 080139B0 00000000 0800FB00
00000000 004698F8 0006D14C 0006AC90
003A35C4 003A4830 003A4800 0800B190
0800B0DC 00000000 00220003 003A35C4
000000B0 00000000 004698F8 0006D14C

00000001 ! Assertion Failed in “wdmtx.c” Line 1369
“TxStatus == TX_SUCCESS”
Firmware v2.30.0005 Uptime 1min 42s
Registers: 080683E4 080683DC 00000559 00000010
00000000 00344688 00000000 0000005A
00000022 00000559 080683E4 080683DC
080683E4 003648B8 08014088 08016008
Stack: 00000000 0006D14C 0006AC90 0036492C
00364914 080139D0 08014050 00000000
0006D14C 0006AC90 00364958 00364930
0800B100 080139B0 00000000 0800FB00
00000000 0046CAE0 0006D14C 0006AC90
00363720 0036498C 0036495C 0800B190
0800B0DC 00000000 00220003 00363720
0000005A 00000000 0046CAE0 0006D14C

2

Does the AnywhereUSB/5 continually reset, or does it reset only once?

3

No, I’ve only used the driver that came with the device since it appears to be the latest one.

The support page for this device indicates that the latest driver is v2.70 (Released 5/6/2009). The driver listed on my Windows Device Manager for the AnywhereUSB Host Controller is version 2.70.14.0 with a date of 5/9/2009. Based on this data, I’m assuming that I’m running the latest driver.

Please let me know if there is a different driver I should try.

4

Continually. Following a reset, Windows starts “finding” the devices again and I see them being added again as COM ports in Device Manager. Then, the AnywhereUSB resets and the process repeats.

My suspicion is that the reset occurs when the 30th device is registered, but I can’t observe the event closely enough to confirm this guess.

5

Have you tried other AnywhereUSB driver versions yet?

6

You won’t be able to try other driver versions because that’s the only one that supports Vista. Sorry, I just realized that.