3-18
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Functional Description
3
❏
The Base Module Status Register is an 8-bit read-only register
located at ISA I/O address x803. The BASE_TYPE field will return
E2h for the MCP750HA.
For information on user accessible registers, refer to the MCP750 Single
Board Computer Programmer’s Reference Guide.
Base Module Feature Register
The Base Module Feature Register contains the details of the MCP750HA
single-board computer’s configuration. It is an 8-bit read-only register
located on the base board at ISA I/O address $0802.
SCCP
∗
Z85230 ESCC present. If set, there is no on-board synchronous
serial support (the ESCC is not present). If cleared, the Z85230 ESCC is
installed and there is on-board support for synchronous serial
communication.
PMC1P
∗
PMC slot 1 present. If set, no PCI mezzanine card is installed in
PMC slot 1. If cleared, PMC slot 1 contains a PCI mezzanine card.
LANP
∗
Ethernet present. If set, no Ethernet transceiver interface is
installed. If cleared, there is on-board Ethernet support.
Table 3-4. Base Module Status Register
REG
Base Module Status Register - Offset $0803
BIT
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
FIELD
BASE_TYPE
OPER
R
RESET
N/A
REG
Base Module Feature Register — Offset $0802
BIT
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
FIELD
Not
Used
SCCP
∗
Not
Used
PMC1P
∗
Not
Used
Not
Used
LANP
∗
Not
Used
OPER
R
R
R
R
R
R
R
R
RESET
1
N/A
1
N/A
1
1
N/A
1
Summary of Contents for MCP750HA Series
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