User manual SEAGATE ATLAS II DATASHEET

[. . . ] Atlas II 50-pin Jumper Settings Jumper Settings Jumper Settings The following describes the jumper options and settings available on the Maxtor® AtlasTM II disk drive. [. . . ] The second option jumper block is used to set the Atlas II termination options. This jumper block is found on the printed circuit board at the rear of the drive and is near the SCSI cable connector. 2 of 8 Atlas II Jumper Settings 28-Pin Secondary Option Connector Pin Signal Pin Signal 1 3 5 7 9 11 13 15 17 19 A0 A1 A2 Fault LED Busy LED +5VDC out Delay Spin Stagger Spin Write Protect Spindle Sync 2 4 6 8 10 12 14 16 18 20 logic_gnd logic_gnd logic_gnd key (blank) Spindle Sync unused logic_gnd logic_gnd logic_gnd logic_gn The drawing above displays the jumper block physical location and pin definitions. 3 of 8 Atlas II SCSI ID Settings Jumper Settings The following table identifies the various SCSI ID values and the jumper positions required to set them. Drive ID ID 0 ID 1 ID 2 ID 3 ID 4 ID 5 ID 6 ID 7 A0 OFF ON OFF ON OFF ON OFF ON A1 OFF OFF ON ON OFF OFF ON ON A2 OFF OFF OFF OFF ON ON ON ON 4 of 8 Atlas II 68-pin Jumper Settings Jumper Settings Jumper Settings The following describes the jumper options and settings available on the Maxtor® AtlasTM II disk drive. Maxtor Atlas II was developed by Quantum Corporation prior to its merger with Maxtor. Termination Enable (TE) Enable termination Disable termination Note: Termination enable available on SE version only. Termination Power (TP) Enable termination power Disable termination power TE jumper on TE jumper off TP jumper on TP jumper off SCSI ID (A3, A2, A1, A0) Set drive SCSI ID Delay Spin (DS) Enable spin delay Disable spin delay SP jumper off SP jumper on See ID settings table below 5 of 8 Atlas II Stagger Spin Enable spin stagger Disable spin stagger Write Protect Enable Write Protection Disable Write Protection WP jumper on WP jumper off Jumper Settings SS jumper on SS jumper off Jumper Locations The Atlas II wide disk drive has two locations where user configurable jumpers are found. The primary jumper block (Front option connector J3) for the Atlas II wide is found on the front edge of the disk drive printed circuit board. Using these jumper pins you can establish the various drive configuration options. [. . . ] The termination power option setting is located on the front edge of the printed circuit board and is adjacent to the J3 connector. 6 of 8 Atlas II Jumper Settings Pin Signal Pin 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 Signal 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 A3 A2 A1 A0 Key (blank) Delay Spin Logic ground Spindle Sync Busy Led Write Protect Stagger Spin Enable Narrow Mode Disable Sync Negotiation Disable SCSI Parity Disable Unit Attention Customize logic_gnd logic_gnd logic_gnd logic_gnd Fault LED logic_gnd Enable Active Termination Spindle Sync +5VDC out logic_gnd logic_gnd logic_gnd logic_gnd logic_gnd logic_gnd logic_gnd Pin Signal Pin Signal 1 3 5 7 9 11 A0 A1 A2 A3 Enable Termination +5VDC out 2 4 6 8 10 12 Fault LED logic_gnd logic_gnd Busy LED logic_gnd (reserved) Note: Enable Termination setting is not supported on the following differential drives: Atlas II 2. 2GB WD Atlas II 4. 5GB WD 7 of 8 Atlas II Jumper Settings Atlas II 9. 1GB WD SCSI ID SettingsThe following table identifies the various SCSI ID values and the jumper positions required to set them. Drive ID A0 A1 A2 A3 ID 0 ID 1 ID 2 ID 3 ID 4 ID 5 ID 6 ID 7 ID 8 ID 9 ID 10 ID 11 ID 12 ID 13 ID 14 ID 15 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON 8 of 8 [. . . ]