Q1 /93

CONNECTIONS
Function	Location
40-pin IDE (AT/XT) Interface connector	CN1
4-pin connector-drive active LED	CN4

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	IDE (AT) Interface drive supported	JP2	open
	IDE (XT) Interface drive supported	JP2	closed
»	Hard drive controller enabled	JP3	closed
	Hard drive controller disabled	JP3	open
»	ALE/Control signal timing option 1	JP5	pins 1 & 2 closed
	ALE/Control signal timing option 2	JP5	pins 2 & 3 closed
»	PDIAG (Pass Diagnostics) deselected	JP10	open
	PDIAG (Pass Diagnostics) selected	JP10	closed
»	ALE (Address Latch Enable) deselected	JP11	open
	ALE (Address Latch Enable) selected	JP11	closed
»	AEN (Address Enable) deselected	JP12	open
	AEN (Address Enable) selected	JP12	closed

BIOS ADDRESS
Address		JP6	JP7
»	C800h	pins 2 & 3 closed	pins 2 & 3 closed
	CA00h	pins 1 & 2 closed	pins 2 & 3 closed
	CC00h	pins 2 & 3 closed	pins 1 & 2 closed
	CE00h	pins 1 & 2 closed	pins 1 & 2 closed

BIOS EPROM CONFIGURATION SETTINGS
Chip and Memory Bank		JP8	JP9
	2764	pins 2 & 3 closed	pins 1 & 2 closed
»	27256 - 0000-1FFFh	pins 2 & 3 closed	pins 2 & 3 closed
	27256 - 2000-3FFFh	pins 1 & 2 closed	pins 2 & 3 closed
	27256 - 4000-5FFFh	pins 2 & 3 closed	pins 1 & 2 closed
	27256 - 6000-7FFFh	pins 1 & 2 closed	pins 1 & 2 closed

DRIVE TYPE TABLE
#	Heads	Cyli	Capacity	#	Heads	Cylinder	Capacity
1	4	306	10	24	5	977	40
2	4	615	20	25	9	1024	76
3	6	615	30	26	7	1224	71
4	8	940	62	27	11	1224	111
5	6	940	46	28	15	1224	152
6	4	615	20	29	8	1024	68
7	8	462	30	30	11	1024	93
8	5	733	30	31	11	918	83
9	15	900	112	32	9	925	69
10	3	820	20	33	10	1024	85
11	5	855	35	34	12	1024	102
12	7	855	49	35	13	1024	110
13	8	306	20	36	14	1024	119
14	7	733	42	37	2	1024	17
15	Reserved	38	16	1024	136
16	4	612	20	39	15	918	114
17	5	977	40	40	6	820	40
18	7	977	56	41	5	1024	42
19	7	1024	59	42	5	981	40
20	5	733	30	43	10	981	81
21	7	733	42	44	8	615	40
22	5	733	30	45	10	963	80
23	4	306	10	46	16	753	100