DS-HSG80-BH Controller FC, 64MB Cache multifunction module features dynamic MOS RAM with onboard refresh, user-configuration with DS-HSG80-BH Controller FC, 64MB Cache or system device bootstrap ROM option, acceptance of two 5.0-V, 24-pin DS-HSG80-BH Controller FC, 64MB Cache or fusible link PROM chips, two serial lines meeting RS-432 standard (backward compatible with RS-232-C), baud rates up to 38.4K, and 50/60 Hz crystal clock. DS-HSG80-BH Controller FC, 64MB Cache 32-Kbyte RAM. DS-HSG80-BH Controller FC, 64MB Cache 256-Kword bootstrap/diagnostic ROM set for use with the DS-HSG80-BH Controller FC, 64MB Cache -AA, DS-HSG80-BH Controller FC, 64MB Cache- AC, and MRV11-C. Supports 18-bit addressing and provides bootstrap support for the TU58, RL01, RL02, and RX02. DS-HSG80-BH Controller FC, 64MB Cache High-density multifunction module includes 128-Kbyte RAM, two 28-pin user ROM sockets, two independently configurable asynchronous serial lines compatible with RS-232-C and RS- 423, and a realtime clock configurable at 50, 60, or 800 Hz. Supports 22-bit addressing. Requires DS-HSG80-BH Controller FC, 64MB Cache-B2 bootstrap ROM for bootstrapping capability. DS-HSG80-BH Controller FC, 64MB Cache-B2 8-Kword bootstrap/diagnostic ROM set for use with the DS-HSG80-BH Controller FC, 64MB Cache-BF or MRV11-D. Supports 22-bit addressing and pro- vides bootstrap support for DS-HSG80-BH Controller FC, 64MB Cache, RL01, RL02, and RX02. Also supports RD51/RX50 and DECnet devices including DPV11, DUV11, DLV11-E, and DLV11-F.