Specifications

EPC-2 HARDWARE REFERENCE
SCSI DISK FAILED
This occurs if the BIOS is expecting to find a bootable disk drive configured as SCSI
drive 0, but the drive is not present or has failed.
ERROR ENCOUNTERED INITIALIZING HARD DRIVE
ERROR INITIALIZING HARD DISK CONTROLLER
This occurs if the BIOS is expecting to find a bootable AT (IDE) disk drive, but the
drive is not present or has failed. Ensure that the EPC-2 is firmly seated in the back-
plane and that both 5V and 12V are available to the EPC-2.
DISKETTE DRIVES OR TYPES MISMATCH ERROR - RUN SETUP
Invoke the BIOS setup function as described in the next section and ensure that floppy
drive A is described as 1.44 MB and drive B is described as NONE. Then reset the
system.
EXM CONFIGURATION ERROR (EPC-2x only)
This error indicates that configuration information in the EPC-2's nonvolatile CMOS
RAM does not match the configuration of the actual EXM module in the EPC-2. You
may hit any key to continue the initialization sequence, but you should not run any
software that uses the EXMs until you correct the problem. To correct the problem, in-
voke the EXM setup screen as described in the next section.
BIOS Setup Screen
The EPC-2's BIOS contains a setup function to display and alter the system configura-
tion. Some of this information is maintained in the EPC-2's nonvolatile CMOS RAM
and is used by the BIOS to initialize the EPC-2 hardware. The remainder of the infor-
mation is maintained in a nonvolatile control register.
To invoke the setup function in a "booted" system, press simultaneously the
CTRL+ALT+ESC keys. This may be done during system operation in most, but not all
circumstances. Some programs that take control of the keyboard at a low level, such as
Windows 3.0, cause this key sequence to be interpreted differently, or not at all. It
should always work, however, when the standard operating system prompt is shown on
the screen. The setup function can be invoked prior to system booting by pressing
CTRL+ALT+ESC immediately after the initial selftest screen is cleared. (In older
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