Description
The Sony HBI-232 is a RS-232C interface including a cartridge and a manual.
The adapter has a fixed cable attached that provides a DB-25 Male port.
It is just one of the three MSX Serial add-on adapters to use RS-232C BIOS 2.0 (the other being the ASCII MSX-Serial 232 and Repro Factory HBI-232MKII). The ROM included in the interface contains also the RS-232C BASIC instructions.
The adapter has a switch on the front to select Modem or Terminal. This effectively provides an integrated null-modem function, which would normally be needed for connecting to a Terminal. As such a straight serial cable can be used with a Terminal instead.
Where MSX serial solutions with BIOS 1.x use IO ports, and only one such adapter may be used at a time, with BIOS 2.0 memory mapped I/O is used, and multiple adapters are allowed.
| Brand | Sony |
| Model | HBI-232 |
| Year | 1986 |
| Region | Japan, Germany, Spain, The Netherlands |
| Launch price | ¥19,800 |
| Package content | Serial Interface adapter User's Manual |
| Emulation | Emulated |
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