COMTROL CORPORATION
HOSTESS I/MC
Card Type | I/O controller |
Chipset/Controller | NEC Corporation |
I/O Options | Serial ports (8 or 16) |
Maximum DRAM | 8MB |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
100 Pin interface connector | CN1 | Upgrade connector 3 | P1 |
Upgrade connector 1 | J1 | Upgrade connector 4 | P2 |
Upgrade connector 2 | J2 |
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Note:Connectors J1 and J2 interface with connectors P1 and P2. | |||
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
2MB | (1)1Mx36 | (1)1Mx36 |
8MB | (1)4Mx36 | (1)4Mx36 |

RS-232 MODE SELECTION | |
Jumper | RS-232 |
JP1/A-D | Pins 1 & 2 closed |
JP2/A-D | Pins 1 & 2 closed |
JP3/A-D | Pins 1 & 2 closed |
JP4/A-D | Pins 1 & 2 closed |
JP5/A-C | Pins 1 & 2 closed |
JP6/A-C | Pins 1 & 2 closed |
JP7/A-C | Pins 1 & 2 closed |
JP8/A-C | Pins 1 & 2 closed |
JP9/A-C | Pins 1 & 2 closed |
JP10/A-C | Pins 1 & 2 closed |
JP11/A-C | Pins 1 & 2 closed |
JP12/A-C | Pins 1 & 2 closed |
JP13/A-C | Pins 1 & 2 closed |
JP14/A-C | Pins 1 & 2 closed |
JP15/A-C | Pins 1 & 2 closed |
JP16/A-C | Pins 1 & 2 closed |
RS-422 MODE SELECTION | |
Jumper | RS-422 |
JP1/A-C | Pins 2 & 3 closed |
JP1/D | Pins 1 & 2 closed |
JP2/A-C | Pins 2 & 3 closed |
JP2/D | Pins 1 & 2 closed |
JP3/A-C | Pins 2 & 3 closed |
JP3/D | Pins 1 & 2 closed |
JP4/A-C | Pins 2 & 3 closed |
JP4/D | Pins 2 & 3 closed |
JP5/A-C | Pins 2 & 3 closed |
JP6/A-C | Pins 2 & 3 closed |
JP7/A-C | Pins 2 & 3 closed |
JP8/A-C | Pins 2 & 3 closed |
JP9/A-C | Pins 2 & 3 closed |
JP10/A-C | Pins 2 & 3 closed |
JP11/A-C | Pins 2 & 3 closed |
JP12/A-C | Pins 2 & 3 closed |
JP13/A-C | Pins 2 & 3 closed |
JP14/A-C | Pins 2 & 3 closed |
JP15/A-C | Pins 2 & 3 closed |
JP16/A-C | Pins 2 & 3 closed |
MISCELLANEOUS TECHNICAL NOTE |
Serial ports are located on an interface box which connects to the Hostess IM/C via the 100-pin interface connector. |