| IC number | Manufacturer | Documentation |
|---|---|---|
| i386SX (80386SX) | Intel | Web page, Datasheet (PDF) |
| IC number | Package | Speed | CBM part number | CBM part description |
|---|---|---|---|---|
| NG80386SX-16 | 100-Pin QFP | 16 MHz | 390993-01 | CPU 80386SX-16 |
| NG80386SX-20 | 100-Pin QFP | 20 MHz | 390993-02 | CPU 80386SX-20 |
| Device | Position | Package | Speed |
|---|---|---|---|
| A2386 | U101 | QFP | 20 MHz |
| SL386SX CPU card w/cache DB1 | U101 | QFP | 20 MHz |
| SL286/SL386SX CPU card DB2 | U101 | QFP | 16 MHz |
| 20 MHz | |||
| U101 (not installed) |
| Pin | Type | Name | Signal name | |
|---|---|---|---|---|
| SL386SX CPU card DB1 | SL386SX CPU card DB2 | |||
| 1 | I/O | D0 | CD0 | D0 |
| 2 | Power | VSS | GND | |
| 3 | Output | HLDA | unused | HLDA |
| 4 | Input | HOLD | GND | HRQ |
| 5 | Power | VSS | GND | |
| 6 | Input | NA# | NNA_PU_JP | |
| 7 | Input | READY# | NCRDY | NRDY0320 |
| 8..10 | Power | VCC | VCC | |
| 11..14 | Power | VSS | GND | |
| 15 | Input | CLK2 | CLK2 | 386CLK |
| 16 | Output | ADS# | 386CB3 | NADS |
| 17 | Output | BLE# | 386CB1 | NBLE_A0 |
| 18 | Output | A1 | CA1 | A1 |
| 19 | Output | BHE# | 386CB2 | NBHE |
| 20 | N/C | NC | unused | |
| 21 | Power | VCC | VCC | |
| 22 | Power | VSS | GND | |
| 23 | Output | M/IO# | 386CB4 | M_NIO |
| 24 | Output | D/C# | 386CB5 | D_NC_NS1 |
| 25 | Output | W/R# | 386CB6 | W_NR_NS0 |
| 26 | Output | LOCK# | 386CB7 | unused |
| 27 | N/C | NC | unused | |
| 28 | Input | FLT# | NFLT_PU_JP | |
| 29..31 | N/C | NC | unused | |
| 32 | Power | VCC | VCC | |
| 33 | Input | RESET | RESCPU | |
| 34 | Input | BUSY# | NBUSYCPU | NBUSYCPU and RESCPU via U105 |
| 35 | Power | VSS | GND | |
| 36 | Input | ERROR# | NERRORCPU_PU | |
| 37 | Input | PEREQ | PEREQCPU | |
| 38 | Input | NMI | NMI | |
| 39 | Power | VCC | VCC | |
| 40 | Input | INTR | INTR | |
| 41 | Power | VSS | GND | |
| 42 | Power | VCC | VCC | |
| 43..47 | N/C | NC | unused | |
| 48 | Power | VCC | VCC | |
| 49..50 | Power | VSS | GND | |
| 51..56 | Output | A2..A7 | CA2..CA7 | A2..A7 |
| 57 | Power | VCC | VCC | |
| 58..62 | Output | A8..A12 | CA8..CA12 | A8..A12 |
| 63 | Power | VSS | GND | |
| 64..66 | Output | A13..A15 | CA13..CA15 | A13..A15 |
| 67..68 | Power | VSS | GND | |
| 69 | Power | VCC | VCC | |
| 70 | Output | A16 | CA16 | A16 |
| 71 | Power | VCC | VCC | |
| 72..76 | Output | A17..A21 | CA17..CA21 | A17..A21 |
| 77..78 | Power | VSS | GND | |
| 79..80 | Output | A22..A23 | CA22..CA23 | A22..A23 |
| 81..83 | I/O | D15..D13 | CD15..CD13 | D15..D13 |
| 84 | Power | VCC | VCC | |
| 85 | Power | VSS | GND | |
| 86..90 | I/O | D12..D8 | CD12..CD8 | D12..D8 |
| 91 | Power | VCC | VCC | |
| 92..96 | I/O | D7..D3 | CD7..CD3 | D7..D3 |
| 97 | Power | VCC | VCC | |
| 98 | Power | VSS | GND | |
| 99..100 | I/O | D2..D1 | CD2..CD1 | D2..D1 |
Copyright © 2003-2004 Ronald van Dijk - All rights reserved
Last update: 20 September 2004