Drive Pinouts V1.0 20060713 ======= SA 4000 ======= Control Cable 2 I Head Select 1 4 I Head Select 2 6 I Head Select 4 8 I Head Select 8 10 O Index 12 O Ready 14 O Byte Clock /Sector 16 I Drive Select 1 18 I Drive Select 2 20 I Drive Select 3 22 I Drive Select 4 24 I Direction 26 I Step 28 I Fault Clear 30 I Write Gate 32 O Track 0 34 O Write Fault 36 I Read Gate 39 I +Write Data (alt I/O option) 40 I -Write Data (alt I/O option) 42 I -Write Clock (alt I/O option) 43 I +Write Clock (alt I/O option) 45 O +PLO Clock (alt I/O option) 46 O -PLO Clock (alt I/O option) 48 O +Read Data (alt I/O option) 49 O -Read Data (alt I/O option) Data Cable 1 O Index 3 O Ready 5 O Byte Clock 7 O Seek Complete 9 I +Write Data 10 I -Write Data 12 I +Write Clock 13 I -Write Clock 15 O +PLO Clock 16 O -PLO Clock 18 O +Read Data 19 O -Read Data 14" SA4004 4 hd 202 cyl 14mb SA4008 8 hd 202 cyl 29mb ======= SA 1000 ======= Control Cable Control Cable (ST412) 2 I Reduced Write Current 2 Reduced Write Current 4 I Head Select 2 6 I Rezero (jumperable option) 6 Write Gate 8 O Seek Complete 8 Seek Complete 10 10 Track 0 12 12 Write Fault 14 I Head Select 0 14 Head Select 0 16 16 18 I Head Select 1 18 Head Select 1 20 O Index 20 Index 22 O Ready 22 Ready 24 24 Step 26 I Drive Select 1 26 Drive Select 1 28 I Drive Select 2 28 Drive Select 2 30 I Drive Select 3 30 Drive Select 3 32 I Drive Select 4 32 Drive Select 4 34 I Direction In 34 Direction In 36 I Step 38 40 I Write Gate 42 O Track 000 44 O Write Fault 46 48 50 1-49 GND Data Cable 1 O Drive Selected 3 O Seek Complete 5 7 9 + Timing Clk 10 - Timing Clk 13 + MFM Write Data 14 - MFM Write Data 17 + MFM Read Data 18 - MFM Read Data 2,4,6,8,11,12,15,16,19,20 GND 8" SA1002 2 hd 256 cyl 5mb SA1004 4 hd 256 cyl 10mb Q2010 2 hd 512 cyl 10mb Q2020 4 hd 512 cyl 20mb Q2030 6 hd 512 cyl 30mb Q2040 8 hd 512 cyl 40mb ======= Fujitsu ======= CNA 1 GND 2 Head Sel 0 3 GND 4 Head Sel 1 5 GND 6 Head Sel 2 7 GND 8 Spare 9 GND 10 Index 11 GND 12 Ready 13 GND 14 Sector/Byte Clock 15 GND 16 Drive Select 1 17 GND 18 Drive Select 2 19 GND 20 Drive Select 3 21 GND 22 Drive Select 4 23 GND 24 Direction 25 GND 26 Step 27 GND 28 Fault Clear 29 GND 30 Write Gate 31 GND 32 Track 0 33 GND 34 Write Fault 35 GND 36 Read Gate 37 GND 38 GND 39 +Write Data 40 -Write Data 41 GND 42 +Write Clock 43 +Write Clock 44 GND 45 +PLO Clock 46 -PLO Clock 47 GND 48 +Read Data 49 -Read Data 50 GND CNB 1 Index 2 GND 3 Ready 4 GND 5 Sector/Byte Clock 6 GND 7 Seek Complete 8 GND 9 +Write Data 10 -Write Data 11 GND 12 +Write Clock 13 -Write Clock 14 GND 15 +PLO Lock 16 -PLO Lock 17 GND 18 +Read Data 19 -Read Data 20 GND M2301B 4hd 244 cyl 23mb M2302B 8hd 244 cyl 47mb ===== PRIAM ===== 1 GND 2 IO DBUS 0 3 IO DBUS1 4 IO DBUS 2 5 IO DBUS3 6 IO DBUS 4 7 IO DBUS5 8 IO DBUS 6 9 IO DBUS7 10 GND 11 I Read Gate 12 GND 13 I Reset 14 GND 15 I Write Gate 16 GND 17 I RD 18 I WR 19 I AD 1 20 I AD0 21 GND 22 I Drive Select 1 23 I Drive Select 2 24 I Drive Select 3 25 I Drive Select 4 26 GND 27 GND 28 TERM 5 29 I Head Sel 4 30 I Head Sel 2 31 I Head Sel 1 32 GND 33 O Index 34 GND 35 O Ready 36 GND 37 O Sector Mark 38 GND 39 I + Write Data 40 I - Write Data 41 GND 42 IO + Write Clock 43 IO - Write Clock 44 GND 45 IO + Read/Reference Clock 46 IO - Read/Reference Clock 47 GND 48 O + Read Data 49 O - Read Data 50 GND =================== PRIAM SMART/SMART-E =================== 1 GND 2 IO HCBUS0 3 IO HCBUS1 4 IO HCBUS2 5 IO HCBUS3 6 IO HCBUS4 7 IO HCBUS5 8 IO HCBUS6 9 IO HCBUS7 10 GND 11 I HRD/ 12 GND 13 I HWR/ 14 GND 15 I HAD2 16 HAD1 17 I HAD0 18 GND 19 I RESET/ 20 GND 21 O HIR/ 22 GND 23 I HREAD 24 O DBUSENA/ 25 GND 26 O DTREQ/ 27 GND 28 O BUSREQ/ (SMART-E) 29 GND 30 IO HCBUS8 (SMART-E) 31 GND 32 Reserved 33 Reserved 34 Reserved 35 Reserved 36 Reserved 37 Reserved 38 Reserved 39 Reserved 40 Reserved 3350-10 14" 3hd 561 cyl 33mb 6650-10 14" 3hd 1121 cyl 67mb 15450-10 14" 7hd 1121 cyl 157mb 3450-10 8" 5hd 525 cyl 35mb 7050-10 8" 5hd 1049 cyl 70mb 1070-10 8" 4hd 190 cyl 10mb ====== ST 412 ====== Control Cable Control Cable (Maxtor 1xxx/2xxx) 2 I Reduced Write Current 2 I Head Select 3 4 4 I Head Select 2 6 I Write Gate 6 I Write Gate 8 O Seek Complete 8 O Seek Complete 10 O Track 0 10 O Track 0 12 O Write Fault 12 O Write Fault 14 I Head Select 0 14 I Head Select 0 16 18 I Head Select 1 18 I Head Select 1 20 O Index 20 O Index 22 O Ready 22 O Ready 24 I Step 24 I Step 26 I Drive Select 1 26 I Drive Select 1 28 I Drive Select 2 28 I Drive Select 2 30 I Drive Select 3 30 I Drive Select 3 32 I Drive Select 4 32 I Drive Select 4 34 I Direction In 34 I Direction In 1-33 GND Data Cable 1 O Drive Selected 3 5 7 9 11 13 I +MFM Write Data 14 I -MFM Write Data 17 O +MFM Read Data 18 O +MFM Read Data 2,4,6,8,11,12,15,16,19,20 GND ST506 4 hd 153 cyl 5mb ST412 4 hd 306 cyl 10mb XT1085 8 hd 1024 cyl 85mb XT1140 15 hd 918 cyl 143mb XT2190 15 hd 1224 cyl 191mb ====== Floppy ====== SA850 FD55BV 2 I Write Current 12 O Disk Change 14 I Side Select 16 I In Use 18 I Head Load 2 20 O Index 4 In Use/ Open 22 O Ready 6 Drive Select 3 24 O Sector 8 Index/Sector 26 I Drive 1 10 Drive Select 0 28 I Drive 2 12 Drive Select 1 30 I Drive 3 14 Drive Select 2 32 I 16 Motor On 34 I Step In 18 Direction Select 36 I Step 20 Step 38 I Write Data 22 Write Data 40 I Write Gate 24 Write Gate 42 O Track 0 26 Track 0 44 O Write Protect 28 Write Protect 46 O Read Data 30 Read Data 48 O Sep Data 32 Side One Select 50 O Sep Clock 34 Ready/Open Note: 32 was Drive 4 on SA800 Pin 4 unused on TM100-4 ======= Trident ======= Bus Cable 1 O Sector 2 O End Of Cyl 3 O AM Detect 4 O Offset 5 TERM +5 6 O Index 7 TERM +5 8 O Ready 9 GND 10 O Read Only 11 GND 12 O Device Check 13 GND 14 O On Line 15 GND 16 O Seek Incomplete 17 GND 18 - CYL HD CONTROL 19 GND 20 I BUS 0 | CYL 512 | | Strobe Late | 21 GND 22 I BUS 1 | CYL 256 | | Strobe Early | 23 GND 24 I BUS 2 | CYL 128 | Offset | Write | 25 GND 26 I BUS 3 | CYL 64 | OsFwd | Read | 27 GND 28 I BUS 4 | CYL 32 | | Address Mark | 29 GND 30 I BUS 5 | CYL 16 | HD 16 | Reset Head Adr | 31 GND 32 I BUS 6 | CYL 8 | HD 8 | Device Check Reset | 33 GND 34 I BUS 7 | CYL 4 | HD 4 | Head select | 35 I Terminator In 36 I BUS 8 | CYL 2 | HD 2 | Rezero | 37 I Set Ctl Tag 38 I BUS 9 | CYL 1 | HD 1 | Head Advance | 39 I Set Cyl Tag 40 I Set Head Tag Radial Cable (single or dual access) (single access only) 1 GND 2 GND 3 GND 4 Request 5 GND 6 Request From Other CU 7 GND 8 9 GND 10 11 GND 12 13 GND 14 15 GND 16 17 GND 18 19 Not Available 20 Not Available 21 TERM +5 22 TERM +5 1 TERM +5 2 TERM +5 23 GND 24 O Comp Sector/Index 3 GND 4 Comp Sector/Index 25 GND 26 O ATTN 5 GND 6 Attention 27 GND 28 O Module Selected 7 GND 8 Selected 29 GND 30 I Sequence 9 GND 10 Sequence 31 GND 32 I Module Select 11 GND 12 Select 33 GND 34 IO + R/W 13 GND 14 + RW Data 35 GND 36 IO - R/W 15 GND 16 - RW Data 37 GND 38 O + CLK 17 GND 18 + RW CLK 38 GND 40 O - CLK 19 GND 20 - RW CLK =========== SMD / SMD-E =========== A-cable SMD Standard SMD Extended SMD Modified Enhanced SMD SMD-E ------- ------------ ------------ ------------ ------------ ----- 1 Tag 1 L 2 Tag 1 H Tag 1 Tag 1 1,31 TAG 1 3 Tag 2 L 4 Tag 2 H Tag 2 Tag 2 2,32 TAG 2 5 Tag 3 L 6 Tag 3 H Tag 3 Tag 3 3,33 TAG 3 7 Bus 0 L 8 Bus 0 H Bus 0 Bus 0 4,34 BUS OUT 0 (to drive) 9 Bus 1 L 10 Bus 1 H Bus 1 Bus 1 5,35 BUS OUT 1 11 Bus 2 L 12 Bus 2 H Bus 2 Bus 2 6,36 BUS OUT 2 13 Bus 3 L 14 Bus 3 H Bus 3 Bus 3 7,37 BUS OUT 3 15 Bus 4 L 16 Bus 4 H Bus 4 Bus 4 8,38 BUS OUT 4 17 Bus 5 L 18 Bus 5 H Bus 5 Bus 5 9,39 BUS OUT 5 19 Bus 6 L 20 Bus 6 H Bus 6 Bus 6 10,40 BUS OUT 6 21 Bus 7 L 22 Bus 7 H Bus 7 Bus 7 11,41 BUS OUT 7 23 Bus 8 L 24 Bus 8 H Bus 8 Bus 8 12,42 BUS OUT 8 25 Bus 9 L 26 Bus 9 H Bus 9 Bus 9 13,43 BUS OUT 9 27 Channel Ready L 28 Channel Ready H Open Cable Det INTF ENA 14,44 Open Cable Detect 29 Status 3 L 30 Status 3 H (Fault) Status 3 15,45 BUS IN 3 31 Status 2 L 32 Status 2 H (Seek Error) Status 2 16,46 BUS IN 2 33 Status 1 L 34 Status 1 L (On Cyl) Status 1 17,47 BUS IN 1 35 Status 6 L 36 Status 6 H (Index) Status 6 18,48 BUS IN 6 37 Status 0 L 38 Status 0 H (Unit Ready) Status 0 19,49 BUS IN 0 39 Status 5 L 40 Status 5 H (Adr Mark) Status 5 20,50 BUS IN 5 41 Busy L 42 Busy H Busy BUSY 21,51 BUSY (dual channel only) 43 Unit Select Tag L 44 Unit Select Tag H Unit Select Tag DEV SEL ENA 22,52 UNIT SELECT TAG 45 Unit Select 1 L 46 Unit Select 1 H Unit Select 0 Unit Select 0 DEV SEL 0/TAG BUS 10 (B10) 23,53 UNIT SELECT 0 47 Unit Select 2 L 48 Unit Select 2 H Unit Select 1 Unit Select 1 24,54 UNIT SELECT 1 49 Status 7 L 50 Status 7 H (Sector) STATUS7 25,55 BUS IN 7 51 Unit Select 4 L 52 Unit Select 4 H Unit Select 2 Unit Select 2 26,56 UNIT SELECT 2 53 Unit Select 8 L / Tag 5 L 54 Unit Select 8 H / Tag 5 H Unit Select 3 Unit Select 3 DEV SEL 3/TAG 5 27,57 DEV SEL 3/TAG 5 (after selection) 55 Status 4 L 56 Status 4 H (Write Protected) STATUS4 28,58 BUS IN 4 57 Power Sequence Pick 58 Power Sequence Hold Pick/Sequence INDEX / SECTOR Pick/Sequence Pick/Sequence 29,59 Pick/Sequence 59 Tag 4 L 60 Tag 4 H - TAG4 TAG4 TAG BUS B10 30,60 (cyl adr 10 w tag 1 extd adr) TAG4 Standard SMD Interface SMD-O ---------------------- (1024 cyl, 1 byte status, 9 control functions) The standard SMD interface uses BUS0 through BUS9 with TAG1 (Set Cylinder & Seek Command) to address up to 1024 cylinders. Has only one disc status byte. Ampex, Control Data, Century Data, Kennedy, PRIAM Extended SMD Interface ---------------------- (4096 cyl, 4 byte status, 12 control functions) Uses BUS0 through BUS9 with TAG4 and TAG1 to provide a 20 bit cylinder addres. Uses BUS0 through BUS9 to provide a 20 bit head address. Uses unit select lines with TAG4 to provide up to 16 disc status bytes SMD Modified Interface ---------------------- (2048 cyl, 1 byte status, 10 control functions) Uses BUS0 through BUS9, UNIT SELECT 0 & UNIT SELECT 1 with TAG1 to address up to 4096 cylinders. Has 4 disc status bytes selected by TAG4 and TAG5 (Modified Status Select). Fujitsu 228x 1.012mb/sec Fujitsu 2321 5hd 823 cyl 84mb 1.229mb/sec Fujitsu 2322 10hd 823 cyl 160mb 1.229mb/sec Fujitsu 2351 20hd 842 cyl 474mb 1.859mb/sec Enhanced SMD Interface ---------------------- (1m cyl, 16 byte status, 19 control functions) Defines a spare SMD Line as BUS10 to allow addressing of up to 2048 cylinders (Spare signal pin numbers are 59 and 60). Has only one disc status byte. SMD-E Interface (ANSI X3.091M:1987) ---------------------- (4096 cyl, 7 byte status, 12 control functions) Uses high order head select bits (BUS7 and BUS8) along with the standard cylinder address bits to address up to 4096 cylinders. Has 7 disc status bytes selected by TAG4, TAG5 and BUS0 and BUS1. Fujitsu 2382 27hd 745 cyl 1000mb 3.0mb/sec ST-41097J 17hd 2101cyl 1097mb 2.75mb/sec B-cable ------- 1 GND 2 1F Write Clock H 3 1F Write Clock L 4 GND 5 Read Data L 6 Read Data H 7 GND 8 1F Read Clock H 9 1F Read Clock L 10 GND 11 Write Clock L 12 Write Clock H 13 GND 14 Write Data H 15 Write Data L 16 GND 17 Unit Selected H 18 Unit Selected L 19 Seek End L 20 Seek End H 21 GND 22 Index H 23 Index L 24 GND 25 Sector L 26 Sector H