NETFINITY 5500: BOOT MGR. appears HUNG with REMOTE CONNECT

Subject: NETFINITY 5500: BOOT MGR. APPEARS HUNG w/ NULL MODEM CONN.
Updated Netfinity server RETAIN TIP: 

     Record number:       H163847 (Updated)
     Device:              D/T8660
     Model:               M
     Hit count:           UHC00001
     Success count:       USC0000
     Publication code:    PC50
     Tip key:
     Date created:        O98/06/02
     Date last altered:   A98/06/10
     Owning B.U.:         USA

Abstract: NETFINITY 5500: BOOT MGR. APPEARS HUNG w/ NULL MODEM CONN.

SYMPTOM:

The System appears* hung at the Boot Manager screen.

* The System appears hung due to the fact that Boot Manager does not automatically boot to the highlighted Operating System after the normal 30 sec period (for user selection intervention). The System can be booted to a highlighted Operating System in Boot Manager but requires user input (pressing <enter>).

PROBLEM ISOLATION AIDS:

All of the following must be true for this TIP to apply:

•  The System is a Netfinity 5500 server Type 8660 model 11U, 1RU, 41U, 4RU, 11X, 1RX, 41X, 4RX
•  The primary hard drive is configured with a partition containing OS/2 Warp 3.0 or 4.0 "Boot Manager".
•  The Boot Manager Timer is enabled.
•  Boot Manager is set to run "Attended Mode".
•  The System's shared serial port is connected to a terminal running a ASCII session via a null modem connection.

WORKAROUND:

Select/highlight the Operating System of choice in Boot Manager (if not already highlighted), then press <enter> to engage booting that Operating System.

DETAILS:

When Boot Manager loads, it sends a ESC to the serial Port releasing the Port to allow the pending Operating System to take control of the Port.

The problem manifests itself by disabling the 30 second timer in Boot manager when the ESC is sent to the Port while connected to a remote terminal running a ASCII session.

With the Boot Manager timer disabled, The highlighted Operating System does not start after 30 seconds.
The user must press enter for the highlighted Operating System to start.

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