NATURAL MICROSYSTEMS CORPORATION
AG-8, AG-8/F
| 
 Card Type  | 
 Telephony  | 
| 
 Chip Set  | 
 TI TMS320C51  | 
| 
 I/O options  | 
 MVIP bus, serial port  | 
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/25MHz  | 
| 
 Maximum Onboard Memory  | 
 512KB DRAM/256KB SRAM  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 RS-232 port (see pinout below)  | 
 E43  | 
 Lines 3 & 4  | 
 CN2  | 
| 
 MVIP bus  | 
 JP5  | 
 Lines 5 & 6  | 
 CN3  | 
| 
 DSP daughterboard  | 
 JP7  | 
 Lines 7 & 8  | 
 CN4  | 
| 
 Mini-ISA daughterboard  | 
 JP8  | 
 Power, ground, and signaling  | 
 CN5  | 
| 
 Lines 1 & 2  | 
 CN1  | ||
| 
 E43 PINOUT  | |
| 
 Pin  | 
 Function  | 
| 
 1  | 
 Ground  | 
| 
 2  | 
 Transmit  | 
| 
 3  | 
 Receive  | 
| 
 4  | 
 Ground  | 
| 
 SRAM BANK 0  | |
| 
 Size  | 
 Bank 0  | 
| 
 32KB  | 
 (4) 16K x 4  | 
| 
 128KB  | 
 (4) 64K x 4  | 
| 
 SRAM BANK 0 CONFIGURATION  | |||
| 
 Size  | 
 R66  | 
 R67  | 
 R68  | 
| 
 32KB  | 
 Installed  | 
 Installed  | 
 Not installed  | 
| 
 128KB  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
| 
 SRAM BANK 1  | |
| 
 Size  | 
 Bank 1  | 
| 
 32KB  | 
 (4) 16K x 4  | 
| 
 128KB  | 
 (4) 64K x 4  | 
| 
 SRAM BANK 1 CONFIGURATION  | |||
| 
 Size  | 
 R63  | 
 R64  | 
 R65  | 
| 
 32KB  | 
 Installed  | 
 Installed  | 
 Not installed  | 
| 
 128KB  | 
 Not installed  | 
 Not installed  | 
 Installed  | 
| 
 BASE I/O ADDRESS (FIRST DIGIT)  | |||
| 
 Setting  | 
 S1/1  | 
 S1/2  | 
 S1/3  | 
| 
 0 xxx h  | 
 On  | 
 On  | 
 On  | 
| 
 2 xxx h  | 
 Off  | 
 On  | 
 On  | 
| 
 4 xxx h  | 
 On  | 
 Off  | 
 On  | 
| 
 6 xxx h  | 
 Off  | 
 Off  | 
 On  | 
| 
 8 xxx h  | 
 On  | 
 On  | 
 Off  | 
| 
 A xxx h  | 
 Off  | 
 On  | 
 Off  | 
| 
 C xxx h  | 
 On  | 
 Off  | 
 Off  | 
| 
 E xxx h  | 
 Off  | 
 Off  | 
 Off  | 
| 
 BASE I/O ADDRESS (LAST THREE DIGITS)  | |||
| 
 Setting  | 
 S1/4  | 
 S1/5  | 
 S1/6  | 
| 
 x 100h | 
 On  | 
 Off  | 
 Off  | 
| 
 x 180h | 
 Off  | 
 On  | 
 Off  | 
| 
 x 1A0h | 
 Off  | 
 Off  | 
 On  | 
| 
 x 1C0h | 
 Off  | 
 On  | 
 On  | 
| 
 x 280h | 
 On  | 
 On  | 
 Off  | 
| 
 x 2A0h | 
 On  | 
 Off  | 
 On  | 
| 
 x 2C0h | 
 On  | 
 On  | 
 On  | 
| 
 x 340h | 
 Off  | 
 Off  | 
 Off  | 
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 D1  | 
 Red  | 
 On  | 
 Task processor 1 request in progress  | 
| 
 D1  | 
 Red  | 
 Off  | 
 Task processor 1 request not in progress  | 
| 
 D1  | 
 Green  | 
 On  | 
 Task processor 1 grant in progress  | 
| 
 D1  | 
 Green  | 
 Off  | 
 Task processor 1 grant not in progress  | 
| 
 DIAGNOSTIC LED(S) (CON’T)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 D2  | 
 Red  | 
 On  | 
 Task processor 2 request in progress  | 
| 
 D2  | 
 Red  | 
 Off  | 
 Task processor 2 request not in progress  | 
| 
 D2  | 
 Green  | 
 On  | 
 Task processor 2 grant in progress  | 
| 
 D2  | 
 Green  | 
 Off  | 
 Task processor 2 grant not in progress  | 
| 
 D3  | 
 Red  | 
 On  | 
 MVIP processor request in progress  | 
| 
 D3  | 
 Red  | 
 Off  | 
 MVIP processor request not in progress  | 
| 
 D3  | 
 Green  | 
 On  | 
 MVIP processor grant in progress  | 
| 
 D3  | 
 Green  | 
 Off  | 
 MVIP processor grant not in progress  | 
| 
 D4  | 
 Red  | 
 On  | 
 Processor is reset  | 
| 
 D4  | 
 Red  | 
 Off  | 
 Processor is not reset  | 
| 
 D4  | 
 Green  | 
 On  | 
 SRAM is "not busy"  | 
| 
 D4  | 
 Green  | 
 Off  | 
 SRAM is "busy"  | 
| 
 D5  | 
 Red  | 
 On  | 
 Processor is transmitting data  | 
| 
 D5  | 
 Red  | 
 Off  | 
 Processor is receiving data  | 
| 
 D5  | 
 Green  | 
 On  | 
 Host is reading/writing to SRAM  | 
| 
 D5  | 
 Green  | 
 Off  | 
 Processor is reading/writing to SRAM  | 
| 
 D6  | 
 Red  | 
 On  | 
 DSP chips are reset  | 
| 
 D6  | 
 Red  | 
 Off  | 
 DSP chips are not reset  | 
| 
 D8  | 
 Green  | 
 On  | 
 Diagnostics are being performed  | 
| 
 D8  | 
 Green  | 
 Off  | 
 Diagnostics are not being performed  | 
| 
 D9  | 
 Green  | 
 On  | 
 External power supply is on  | 
| 
 D9  | 
 Green  | 
 Off  | 
 External power supply is off  |