Differences

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--- x68000:hard_disk [2008/10/06 14:18] – computolio
+++ x68000:hard_disk [2008/10/06 14:35] – computolio
@@ Line 1: / Line 1: @@
+===== X68000 Hard Disk =====
+==== External HD connector ====
 All models of X68000 (even SASI-based models) seem to have standard pinouts for the external hard disk connector:
@@ Line 7: / Line 10: @@
 *Compact XVI, X68030, X68030 Compact: [[http://www.gamesx.com/hwb/co_ScsiExternalHiDSub.html|DH-50]].
+==== Internal HD connector ====
 All X68000 machines have a custom internal hard disk connector. The pinout for the SASI-based machines is as follows:
--DB0
+^Pin^Description^Pin^Description^
--DB1
+|  1  | DB0  |  11  |GND|
--GND
+|  2  | DB1  |  12  |Unknown(Possibly for the HD access LED)|
--DB2
+|  3  | GND  |  13  |/BSY|
--DB3
+|  4  | DB2  |  14  |/ACK|
--DB4
+|  5  | DB3  |  15  |/RST|
--GND
+|  6  | DB4  |  16  |/MSG|
--DB5
+|  7  | GND  |  17  |/SEL|
--DB6
+|  8  | DB5  |  18  |/C/D|
--DB7
+|  9  | DB6  |  19  |REQ|
--GND
+|  10 | DB7  |  20  |/I/O|
--Unknown (possibly for the HD access LED?)
--/BSY
+The pinout for SCSI-based machines:
--/ACK
--/RST
+^Pin^Description^Pin^Description^
--/MSG
+|  1  | DB0  |  14  |GND|
--/SEL
+|  2  | DB1  |  15  |Unknown(Possibly for the HD access LED)|
--/C/D
+|  3  | GND  |  16  |/BSY|
--/REQ
+|  4  | DB2  |  17  |/ACK|
--/I/O
+|  5  | DB3  |  18  |/RST|
+|  6  | DB4  |  19  |/MSG|
+|  7  | GND  |  20  |/SEL|
+|  8  | DB5  |  21  |/C/D|
+|  9  | DB6  |  22  |REQ|
+|  10 | DB7  |  23  |/I/O|
+|  11 | GND  |  24  |/I/O|
+|  12 | PARITY |  25  |/I/O|
+|  13 | +5V(Termination power)  |  26  |/I/O|