UNIDENTIFIED
HT101A 286
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 10/12MHz  | 
| 
 Chip Set  | 
 Unknown  | 
| 
 Max. Onboard DRAM  | 
 4MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 220mm x 220mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Turbo switch  | 
 J4  | 
 Speaker  | 
 J17  | 
| 
 External battery  | 
 J14  | 
 Turbo LED  | 
 J19  | 
| 
 Power LED & keylock  | 
 J16  | 
 Reset switch  | 
 J20  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| » | 
 NPU mode select synchronous with CPU  | 
 JP2  | 
 pins 2 & 3 closed  | 
| 
 NPU mode select asynchronous with CPU  | 
 JP2  | 
 pins 1 & 2 closed  | |
| » | 
 Parity check enabled  | 
 JP3  | 
 Closed  | 
| 
 Parity check disabled  | 
 JP3  | 
 Open  | |
| » | 
 CPU speed select [CTRL][ALT][+] = fast, [CTRL][ALT][-] = slow  | 
 JP4  | 
 pins 1 & 2 closed  | 
| 
 CPU speed select fast  | 
 JP4  | 
 pins 2 & 3 closed  | |
| » | 
 DRAM select 0 wait states  | 
 J18  | 
 pins 2 & 3 closed  | 
| 
 DRAM select 1 wait state  | 
 J18  | 
 Open  | |
| 
 DRAM wait state select [CTRL][ALT][0] = 0 [CTRL][ALT][1] = 1  | 
 J18  | 
 pins 1 & 2 closed  | |
| » | 
 Monitor type select color  | 
 SW1/1  | 
 On  | 
| 
 Monitor type select monochrome  | 
 SW1/1  | 
 Off  | |
| 
 DRAM CONFIGURATION  | ||||||
| 
 Size  | 
 Bank 0  | 
 P-0  | 
 Bank 1  | 
 P-1  | 
 Bank 2  | 
 Bank 3  | 
| 
 512KB  | 
 (4) 44256  | 
 (2) 41256  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 640KB  | 
 (4) 44256  | 
 (2) 41256  | 
 (4) 4464  | 
 (2) 4164  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 (4) 44256  | 
 (2) 41256  | 
 (4) 44256  | 
 (2) 41256  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 DRAM SWITCH CONFIGURATION  | |||
| 
 Size  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 512KB  | 
 On  | 
 On  | 
 Off  | 
| 
 640KB  | 
 On  | 
 Off  | 
 On  | 
| 
 1MB  | 
 On  | 
 Off  | 
 Off  | 
| 
 2MB  | 
 Off  | 
 Off  | 
 On  | 
| 
 4MB  | 
 Off  | 
 Off  | 
 Off  |