╔═══════════════════════════════════════════════════════════════265XSA.asc═══╗ ║ M2652/54SA Jumper Location Single-ended SCSI Interface ║ ╠════════════════════════════════════════════════════════════════════════════╣ ║ Zylinder: 1944/2179 Köpfe: 20/21 Capacity form. 1.746GB (1746 Mio.Bytes) ║ ║ Sektoren: 88 (512B/sec) 2.055GB (2055 Mio.Bytes) ║ ║ ║ ║ Operator Panel control SCSI Connector ║ ║ │ │ ║ ║ ┌─────────────────────────────────────────────────────────────┐ ║ ║ │ ┌───────────┐1 ┌───────CN1────────┐Pin 1│ ║ ║ │ └──CN3──────┘ Pin 50└──────────────────┘ │ ║ ║ │┌──────┐1┌─────┐1┌─┐1 ┌───────────┐ │ ║ ║ │└─CNH1─┘ └─CNH2┘ └CNH4 1└Terminating┘ │ ║ ║ │ resistor │ ║ ║ │ │ ║ ║ │ │ ║ ║ │ │ ║ ║ │ │ ║ ║ │ ┌────────┐1 ┌──┐1 ┌────────┐1 ┌────────┐ │ ║ ║ │ └─CN6────┘ └CNH6 └──CNH3──┘ └──CNH7──┘ │ ║ ║ │ │ ║ ║ │ ┌─────┐1 │ ║ ║ │ └─CN5─┘ ┌─────────────┘ ║ ║ │ │ ║ ║ │ │ ║ ║ └─────────────────────────────────────────────────┘ ║ ║ ║ ║ * = Default setting (Werkseinstellung) ║ ║ S = Shorted ║ ║ O = Open ║ ║ ║ ║ CNH1 ║ ║ 1-2 LED display requirement setting ║ ║ * S Lights when IDD is connected to SCSI bus ║ ║ O Lights when disk drive is in seek completion status (READY) ║ ║ ║ ║ 3-4 SCSI level setting 5-6 SDTR Negotiation select ║ ║ * S SCSI-2 mode * S initiated by IDD ║ ║ O SCSI 1/CCS mode O initiated by INIT ║ ║ ║ ║ 7-8 Reselction phase and ACK signal wait time monitoring ║ ║ * S Executed ║ ║ O Not executed ║ ║ ║ ║ Monitoring Time Monitoring time Number of retries ║ ║ in INFORMATION in RESELECTION in RESELECTION ║ ║ 7-8 9-10 11-12 TRANSFER phase phase phase ║ ║ * S S S unlimited 250ms 128 ║ ║ S S O 30≈60s 250ms 10 ║ ║ S O S 30≈60s 250ms unlimited ║ ║ S O O 1≈2s 1.5ms 10 ║ ║ O - - unlimited 393ms ----- ║ ║ ║ ║ 13-14 SCSI data bus parity check by the IDD ║ ║ * S Executed ║ ║ O Not executed ║ ║ ║ ║ ║ ╚════════════════════════════════════════════════════════════════════════════╝ ╔══Seite 2 von 265XSA.asc════════════════════════════════════════════════════╗ ║ ║ ║ CNH2 ║ ║ 1-2 IDD response under the UNIT ATTENTION condition ║ ║ * S Reported ║ ║ O Not reported ║ ║ ║ ║ 5-6 7-8 Spindle sync. setting ║ ║ ║ ║ O O mode 1 slave mode ║ ║ O S mode 2 master mode ║ ║ S O mode 3 determined by Mode Select Cmd, page 4 ║ ║ * S S mode 3 determined by Mode Select Cmd, page 4 ║ ║ ║ ║ 9-10 Start timing of spindle motor ║ ║ * S Start immediatly after power on ║ ║ O Starting is controlled by START/STOP command ║ ║ ║ ║ 11-12 Auto Spin - Up Delay ║ ║ * S Motor starts immediatly with power on ║ ║ O Address dependent spin - up delay ║ ║ ║ ║ 13-14 Write/Read RAM enable ║ ║ * S Download microcode disable ║ ║ O Download microcode enable ║ ║ ║ ║ CNH4 ( = CNH5 falls 265XHDA Version für zweiten SCSI port) ║ ║ (CNH4 für Port A, CNH5 für Port B) ║ ║ 1-2 3-4 SCSI terminating resistor power supply ║ ║ * S S From terminator power pin and IDD ║ ║ O S From IDD ║ ║ S O From terminator power pin ║ ║ O O Power is not supplied to terminating resistor ║ ║ ║ ║ CN3 ( = CN4 falls 265XHDA Version für zweite SCSI ID) ║ ║ (CN3 für Port A, CN4 für Port B) ║ ║ 1-2 3-4 5-6 SCSI ID 7-8 Port enable ║ ║ O O O 0 * S Enable SCSI access ║ ║ S O O 1 O Disable SCSI access ║ ║ O S O 2 ║ ║ S S O 3 15-16 Write protect ║ ║ O O S 4 * S Write enable ║ ║ S O S 5 O Write protect ║ ║ O S S 6 ║ ║ * S S S 7 ║ ║ ║ ║ 17-18 Offline self-diagnostic 19-20 External reset ║ ║ * S Disable self-diagnostic S Reset disk ║ ║ O Enable diagnostic * O Allow operation ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ║ ╚════════════════════════════════════════════════════════════════════════════╝